A-1 Action-Integrity Systems
Reisterstown, MD 21136, (410) 833-28001-Touch Communications Inc
Odenton, MD 21113, (410) 695-1600 A-1 AAA Alarms
Owings Mills, MD 21117, (410) 653-3000 A-1 Action
Owings Mills, MD 21117, (410) 922-7300 A-1 Alarms
Owings Mills, MD 21117, (410) 653-3000 A-1 Security
Clinton, MD 20735, (301) 856-3100 A-1 Sure Guard Alarms
Owings Mills, MD 21117, (410) 653-3000 A A A Security Inc
Silver Spring, MD 20901, (301) 384-2800 1st Alarm
1612 Morrell Park Ave, Baltimore, MD 21230, (410) 646-1111 A-1 1st
Alarm Inc
Baltimore, MD 21201, (410) 646-1111 Aamco Transmissions
Salisbury, MD 21801, (410) 749-5000 Abbey-Fritz Fence Co Inc
4113 Aquarium Pl, Baltimore, MD 21215, (410) 358-7575 ABC Burglar
Alarm System
Annapolis, MD 21401, (410) 267-6900 ABC Alarm Co
Annapolis, MD 21401, (410) 956-3474 ABC Alarm Co
West River, MD 20778, (410) 798-4015 ABC Alarm Co
184 Mayo Rd, Edgewater, MD 21037, (410) 956-3474 ABC Security
Corporation
Annapolis, MD 21401, (410) 956-3474 ABC Security Corporation
West River, MD 20778, (410) 798-4015 ABC Alarm Co
Severna Park, MD 21146, (410) 269-6089 ABC Security Corp
184 Mayo Rd, Edgewater, MD 21037, (410) 269-6089 ABC Security
Corporation
Baltimore, MD 21201, (410) 269-6089 Aasco
7625 Francis Rd, Glen Burnie, MD 21060, (410) 766-8336 Absolute
Pro-Formance
2929m Industrial Park Dr, Finksburg, MD 21048, (410) 861-8606
Absolute Security
Reisterstown, MD 21136, (410) 517-1077 ABC Burglar Alarm Systems
Inc
Bowie, MD 20715, (410) 643-6505 Absolute Security
Denton, MD 21629, (410) 479-5510 Accutech Systems
Rockville, MD 20850, (301) 738-8290 Action Alarm Systems Corp
Baltimore, MD 21201, (410) 325-3200 ACCUTECH SYSTEMS
704 E GUDE DR UNIT A, Rockville, MD 20850, (301) 738-8290 Accutech
Systems Inc
Baltimore, MD 21201, (410) 735-0001 Adt Authorized Dealer
4810 Harford Rd, Baltimore, MD 21201, (410) 362-4600 A F A
Protective Systems Inc
9130 Red Branch Rd Ste G, Columbia, MD 21045, (410) 964-9555 Adt
Security Services Inc
Local Office, Salisbury, MD 21801, (410) 742-7722 Advanced
Automatic Alarm Inc
2475 Shadywood Cir, Crofton, MD 21114, (301) 261-0011 Adt Security
Services Inc - Local Office
2 Metropolitan Ct Ste 8, Gaithersburg, MD 20878, (301) 212-9048
Advance Home Security Inc
Linthicum Heights, MD 21090, (410) 789-7894 Adorian & Sons
7212 Righters Mill Rd, Derwood, MD 20855, (301) 840-0004 Advantage
Security
Olney, MD 20832, (301) 570-3700 Alarm & Communications Systems
504 E Church St, Frederick, MD 21701, (301) 663-4874 Alarm
Engineering
Easton, MD 21601, (410) 819-6757 Alarm Engineering
2204 W Zion Rd, Salisbury, MD 21801, (410) 546-2210 Alarm Security
Group
12301 Kiln Ct, Beltsville, MD 20705, (301) 931-1128 Alarmsmith
6441 Leonardtown Rd, Bryantown, MD 20617, (301) 645-3287 Alarm
Company of Maryland
Westminster, MD 21157, (410) 875-2126 Alarm Smith
Waldorf, MD 20602, (301) 645-3287 A H S Systems of Baltimore
Linthicum Heights, MD 21090, (410) 789-7894 Alarm Associates
6666 Luster Dr, Highland, MD 20777, (301) 854-0100 Alarmax
Distributors Inc
2163 Greenspring Dr, Lutherville Timonium, MD 21093, (410) 683-1802 Alarm One Inc
718 N Hammonds Ferry Rd, Linthicum Heights, MD 21090, (410) 789-4717 Alarm Watch
211 Cockeysville Rd, Cockeysville, MD 21030, (410) 785-1056
Alarmco Security Systems Inc
3649 Epping Forest Way, Owings Mills, MD 21117, (410) 363-3388
Alarm Security Group
Catonsville, MD 21228, (410) 719-7465 Alarm Pro-Tech Systems
Westminster, MD 21157, (410) 857-5039 Alarm Company of Maryland
Fallston, MD 21047, (410) 808-8621 Alarm Specialist Inc
789 Stinchcomb Rd, Severna Park, MD 21146, (410) 437-3296 Alarms
Plus Inc
6 Anchor Business Ctr, Deale, MD 20751, (410) 867-7500 Alarm
Systems Company of Maryland
Elkton, MD 21921, (410) 392-3698 Alarm Systems Company of MD
55 Sweet Gum Ln, Elkton, MD 21921, (410) 392-3698 Alerthome
Towson, MD 21204, (410) 321-0220 Allied Alarm Specialists
Hagerstown, MD 21740, (301) 733-9589 Allstar Security Systems
Rockville, MD 20895, (301) 949-0336 American Home Alarm Co Inc
Fork, MD 21051, (410) 893-2300 American Guardian
Salisbury, MD 21801, (410) 742-0026 American Guardian
Easton, MD 21601, (410) 822-8477 American Automation
9 Northwest St, Annapolis, MD 21401, (410) 573-0800 American
Burglar & Fire Alarm
Brooklyn Park, MD 21225, (410) 636-2000 Annapolis Security
West River, MD 20778, (410) 741-5210 Applied Communications &
Technology
Columbia, MD 21044, (301) 596-6230 Applied Networktechnology
212 May Ln, Edgewater, MD 21037, (410) 798-7758 Antel Electronics
12630 Ivy Mill Rd, Reisterstown, MD 21136, (410) 526-9300 Midway
Alarms Inc
10 N 2nd St, Laurel, MD 20723, (301) 490-6915 Millennium Security
Systems
7715 Webster Ln # 101, Fort Washington, MD 20744, (301) 265-9500
Monitrol Inc
Baltimore, MD 21201, (410) 435-6025 Mount Airy Alarm Systems
Mount Airy, MD 21771, (301) 829-4182 Msc Electronics
Laurel, MD 20707, (301) 497-1600 M T E Enterprises
Clinton, MD 20735, (301) 856-6011 Murrey Installations
14603 Old York Rd, Phoenix, MD 21131, (410) 527-1177 N A Cook &
Assoc
11910 Parklawn Dr Ste T, Rockville, MD 20852, (301) 881-0420
Myer-Emco - Systems Installation Group
209 Edison Park Dr, Gaithersburg, MD 20878, (301) 921-0700
Myer-Emco
209 Edison Park, Rockville, MD 20850, (301) 921-0700 National
Security Inc
10410 Main St, Bethesda, MD 20814, (301) 656-6466 National Home
Remodelers Inc
11 Gwynns Mill Ct Ste B, Owings Mills, MD 21117, (410) 654-3000
Netversant Solutions Integrated Scrty Cntrl Systms
900 N Lehigh St, Baltimore, MD 21205, (410) 522-3700 New Home
Options Inc
Denton, MD 21629, (410) 819-6958 SONITROL SECURITY SYSTEMS
2631 SISSON ST, Baltimore, MD 21211, (410) 338-1800 Frye Security
Systems Inc
11712 Bayberry Ave, Cumberland, MD 21502, (301) 729-0363 Nutone
Solid State Systems
9 Meem Ave, Gaithersburg, MD 20877, (301) 947-4500 Sonavigation
Germantown, MD 20874, (301) 428-0523 Sos Security Alarms
Silver Spring, MD 20901, (301) 439-5911 SONITROL OF BALTIMORE
2631 SISSON ST 1ST. FL, Baltimore, MD 21211, (410) 338-1800
Splaine Security Systems Inc
3829 Plyers Mill Rd, Kensington, MD 20895, (301) 942-6262 Security
Solutions Inc
Capitol Heights, MD 20743, (301) 599-7565 S R Aquino Electric &
Alarm Inc
Columbia, MD 21044, (410) 381-3500 Statewide Alarms Inc
Baldwin, MD 21013, (410) 592-5885 Starlight Security Inc
11577 Edmonston Rd, Beltsville, MD 20705, (301) 931-7008 Strat
Security Systems Inc
315 Kennard Ave, Edgewood, MD 21040, (410) 679-2745 Sure-Fit
Security Systems
8213 Fenton St, Silver Spring, MD 20910, (301) 588-2602 Tele-Plus
Corpporation
Frederick, MD 21701, (301) 662-1500 Taylor-Rogers Enterprises
Baltimore, MD 21201, (410) 325-7484 Tenn Pro-Tec Systems
11910 Parklawn Dr Ste T, Rockville, MD 20852, (301) 881-0420 The
Keyman
Annapolis, MD 21401, (410) 266-6332 Toms General Services
Easton, MD 21601, (410) 822-7401 Town Security
Fork, MD 21051, (410) 515-3408 Towson Alarm Service
Cockeysville, MD 21030, (410) 296-0003 Tri-State Security Systems
15740 Falling Waters Rd, Williamsport, MD 21795, (301) 582-3200
Trust Security
30 W Pennsylvania Ave, Towson, MD 21204, (410) 825-2823 T S M Inc
Millersville, MD 21108, (410) 987-9582 Unlimited Security Systems
of America
781 Washington Blvd, Baltimore, MD 21230, (410) 539-3094 Vector
Security
1100 Old Eastern Ave, Essex, MD 21221, (410) 238-2917 Vector
Security
9800 Patuxent Woods Dr Ste B, Columbia, MD 21046, (410) 290-7622
Vintage Security
6630 Eli Whitney Dr Ste D, Columbia, MD 21046, (301) 596-7663
WATKINS SECURITY AGENCY INC
2901 DRUID PARK DR STE A106, Baltimore, MD 21215, (410) 523-5080
Watch Dog Security
1 Deep Creek Lk, Mc Henry, MD 21541, (301) 387-2188 Alarm Svcs of
MD Inc
809 Barkwd Ct, Catonsville, MD 21228, (410) 747-8429 Westar
Security Services
3921 Vero Rd Ste B, Halethorpe, MD 21227, (410) 247-7701 Wee See
Fork, MD 21051, (410) 592-3306 Westminster Security Co Inc
Westminster, MD 21157, (410) 875-2126 Wharton Marketing Group Ltd
9 Northwest St, Annapolis, MD 21401, (410) 573-0800 Alarm Capital
Alliance
Smithsburg, MD 21783, (301) 824-4600 Isi Security Inc
9693 Gerwig Ln Ste I, Columbia, MD 21046, (301) 434-2722 KING
ALARM CO
7611 S OSBORNE RD SUIT 203, Upper Marlboro, MD 20772, (301) 574-5095 KDC SOUND & SECURITY INC
3655 HARLEQUIN CT, Huntingtown, MD 20639, (410) 414-3076 Sentry
Alarms
8058 White Lowe Rd, Salisbury, MD 21801, (410) 860-2099 A C S
Security
1713 E Joppa Rd, Parkville, MD 21234, (410) 663-9779 Freedom
Security Systems
7815 Jamesford Rd, Dundalk, MD 21222, (410) 288-4355 Alarm
Security Group Monitoring Inc
211 Cockeysville Rd, Cockeysville, MD 21030, (410) 584-2162
Lifegard of America
Westminster, MD 21157, (410) 875-2126 A Homeland Security Inc
536 Ellrose Ct, Frederick, MD 21701, (301) 428-4900 Secure Care
Systems
411 Westgate Rd, Baltimore, MD 21229, (410) 566-1640 Lane Security
Systems
Rockville, MD 20850, (301) 460-4600 All Pro Security
4511 Avondale St Apt 303, Bethesda, MD 20814, (301) 951-5911
Digitial Electronic Security Systems
213 Cockeysville Rd, Cockeysville, MD 21030, (410) 229-0022 Secure
Alarm Inc
Saint Thoma, Owings Mills, MD 21117, (410) 356-2009 Strat Security
7017 Harford Rd, Parkville, MD 21234, (410) 444-2800 Secure Alarms
239 Main St, Reisterstown, MD 21136, (410) 517-2444 Anti-Thief
Security Systems
1092 Wilda Dr, Westminster, MD 21157, (410) 526-5516 Serious
Security Systems Inc
3411 Shelburne Rd, Pikesville, MD 21208, (410) 764-8550 Renees
Hair Plus
10300 Mill Run Cir, Owings Mills, MD 21117, (410) 363-7444 Cv
Security Inc
1600 Trade Zone Ave, Upper Marlboro, MD 20772, (301) 249-0600
Safenet Security Inc
Po Box 240, Burtonsville, MD 20866, (301) 476-9110 Petitbon Alarm
Co
Bowie, MD 20715, (301) 858-0820 Absolute Security Group Inc
1001 Eastern Shore Dr, Salisbury, MD 21801, (410) 860-0620 Avnet
Systems
Metropolitan, Baltimore, MD 21201, (410) 525-2690 Daves Lock &
Alarm Inc
Waldorf, MD 20602, (301) 843-6640 Myer-Emco Corporate Office
209 Edison Park Dr, Gaithersburg, MD 20878, (301) 208-2107 Nutone
Products-Comsec Intercommunictn & Scrty Sys
Silver Spring, MD 20906, (301) 989-0805 Statewide Alarms Inc
Baltimore, Baldwin, MD 21013, (410) 592-5885 Custom Security
Specialist Inc
4244 Horine Rd, Jefferson, MD 21755, (301) 473-4392 Gregory
Systems
Bowie, MD 20715, (301) 262-7438 Chesco Security
Aberdeen, MD 21001, (410) 297-8016 Feel Safe & Live Secure With
Strat Security Systms
Baltimore, MD 21201, (410) 444-2800 Sensible Security Systems Inc
2411 Cabernet Ct, Fallston, MD 21047, (410) 877-8707 Hartford
Security
Abingdon, MD 21009, (410) 515-0761 Arbee Associates
Turf Vlg Bldg, Lutherville Timonium, MD 21093, (410) 252-7010 AAA
Security
Pikesville, MD 21208, (410) 653-9004 Matrix Security Systems
9720 York Rd, Cockeysville, MD 21030, (410) 252-3221 Bliis Carpet
Fair
7100 Rutherford Rd, Ocean City, MD 21842, (410) 289-5800 American
Guardian System
1305 S Division St, Salisbury, MD 21804, (410) 742-0026 Security
Watch
7440 Ritchie Hwy, Glen Burnie, MD 21061, (410) 768-6316 Summit
Alarm
1001 Spring St, Silver Spring, MD 20910, (301) 608-3959 Trojan
Alarm Solutions Inc
2600 Cabover Dr Ste E, Hanover, MD 21076, (410) 863-1434
Affiliated Services Inc
411 Ritchie Hwy, Severna Park, MD 21146, (410) 544-2600 Thorn
Automated Systems
Glen Burnie, MD 21061, (410) 768-2200 Security Alarm Service Inc
PO Box 1008, Frederick, MD 21701, (301) 663-4874 Sentry
Installation
Rockville, MD 20850, (301) 670-1008 Ocean & Mountain Co
14222 Cherry Lane Ct, Laurel, MD 20707, (301) 317-1100 Midway
Alarms Inc
Elkridge, MD 21075, (410) 724-2727 A R M Security Systems
208 Main St, Reisterstown, MD 21136, (410) 526-4990 Adt Security
Services Inc
Salisbury, MD 21801, (410) 742-7722 Alarm Doctor Inc
Pikesville, MD 21208, (410) 581-2151 Maryland Burglar Alarm Co Inc
Sales, Baltimore, MD 21201, (410) 823-6900 Alarmsmith
6441 Leonardtown Rd, Bryantown, MD 20617, (301) 843-6661 A-1
Discount Alarms
Pikesville, MD 21208, (410) 653-9004 Acs Security Systems
Baltimore Metro, Jarrettsville, MD 21084, (410) 557-6006
Protection One
3921 Vero Rd Ste B, Halethorpe, MD 21227, (410) 247-3997 First
Alert Security Systems
Fork, MD 21051, (410) 893-2300 Crimpco
4311b Old Milford Mill Rd, Pikesville, MD 21208, (301) 953-9661
Eagle Alarm Service
1712 Carswell St, Baltimore, MD 21218, (410) 235-6867 Absolute
Monitoring
Owings Mills, MD 21117, (410) 356-3085 First Security L L C
Glenwood, MD 21738, (410) 489-2465 Redds Sounds Unlimited Inc
Baltimore, MD 21201, (410) 494-0609 A C S Security Systems Inc
1701 Morning Brook Dr, Forest Hill, MD 21050, (410) 692-9887 Price
Security
Churchville, MD 21028, (410) 989-0275 Security Edge
6378 Ducketts Ln, Elkridge, MD 21075, (410) 796-8083 Slv
Technologies
Glen Burnie, MD 21061, (410) 766-2679 Chesapeake Electric Co
2110 Riverview Rd, Essex, MD 21221, (410) 687-0651 Cheaspeake
Technical Service
105 Carroll Rd, Stevensville, MD 21666, (410) 643-0185 Chesapeake
Security Alarms Inc
College Park, MD 20740, (301) 474-0211 Chesapeake Alarm & Door
Company
155 1st St, North East, MD 21901, (410) 287-1400 Chesapeake
Security & Wiring Company Inc
Mechanicsville, MD 20659, (301) 884-0665 Chesco Security
Bel Air, MD 21014, (410) 838-5016 Chesapeake Security Services
611 N Eutaw St, Baltimore, MD 21201, (410) 832-7272 Chesapeake
Security Alarms Inc
3309 Benson Ave, Halethorpe, MD 21227, (410) 644-0006 Choptank
Security
24820 Meeting House Rd, Denton, MD 21629, (410) 479-4345 Class One
Protection
Baltimore, MD 21201, (410) 285-4410 Clinton Alarm Service
7804 Woodyard Rd, Clinton, MD 20735, (301) 868-1444 Clockwork
Security Inc
4710 Auth Pl Ste 620, Suitland, MD 20746, (301) 316-4351
Coletronic Enterprises
Po Box 67471, Baltimore, MD 21215, (410) 435-1998 Commercial
Electronics Company
15524 New Hampshire Ave, Silver Spring, MD 20905, (301) 236-0300
Communications Inc
1829 Emory Rd, Reisterstown, MD 21136, (410) 239-7820 Crime
Deterrent Systems Inc
Towson, MD 21204, (410) 321-1052 Crs Security Inc
Westminster, MD 21157, (410) 876-7264 Crimpco
Pikesville, MD 21208, (410) 484-0363 Crime Control
Randallstown, MD 21133, (410) 655-5500 Crimpco Security
Washington, Laurel, MD 20707, (301) 953-9661 Emergency 24 Inc
8607 2nd Ave, Silver Spring, MD 20910, (301) 588-3700 E-Quip
5713 Industry Ln Ste 56, Frederick, MD 21704, (301) 668-9440 Engle
K & L
Denton, MD 21629, (410) 819-6958 Feel Safe Security Inc
2972 Penwick Ln, Dunkirk, MD 20754, (301) 855-6909 First Alert
Professional Security Systems
15940 Derwood Rd, Derwood, MD 20855, (301) 670-1008 Fire Burglary
Alarms Inc
Kensington, MD 20895, (301) 231-0555 Firepro Inc
12507 Sunset Ave Ste 5, Ocean City, MD 21842, (410) 213-1880 First
Alert Professional Security Systems
Frederick, MD 21701, (301) 694-8282 Fire Burglary Alarm Inc
Potomac, MD 20854, (301) 365-4555 Hi Tech Electronics
Glen Burnie, MD 21061, (410) 531-2030 Honeywell
Cockeysville, MD 21030, (410) 584-9400 Honeywell - Building
Control, Burglar Fire Alarms Central Station Monitoring
217 International Cir, Cockeysville, MD 21030, (410) 584-9400
Honeywell - Home & Building Control, Home Controls, Burglar Fire &
Security
717 International Cir, Hunt Valley, MD 21031, (410) 785-4249 Home
Electric Co
1702 Picadilly Rd, Crofton, MD 21114, (301) 261-3600 Home Alarm
Inc
Owings Mills, MD 21117, (410) 363-8000 Home Safe Security
124 Lake Front Dr, Cockeysville, MD 21030, (410) 427-7233 Home
Security Service
7804 Woodyard Rd, Clinton, MD 20735, (301) 868-1444 Insta-Code
Systems Inc
1729 Elton Rd, Silver Spring, MD 20903, (301) 434-2722 Integrity
Telegraph Security Systems Inc
Reisterstown, MD 21136, (410) 833-2800 Integrity Telegraph
Security Systems Inc
Owings Mills, MD 21117, (410) 922-7300 Interamerican Security Inc
7212 Righters Mill Rd, Derwood, MD 20855, (301) 840-0004 Intertech
Electronic Systems
12320 Greenspring Ave, Owings Mills, MD 21117, (410) 453-9164 Isi
Security Inc
1729 Elton Rd, Silver Spring, MD 20903, (301) 434-2722 J & C
Custom Design
Greensboro, MD 21639, (410) 482-6751 Jb Security & Communication
Systems
Rockville, MD 20850, (301) 871-4934 Argus Security
Baltimore, MD 21201, (410) 659-6900 APPLIED TECHNOLOGIES INC
PO BOX 780, Charlotte Hall, MD 20622, (301) 472-4370 Ark Systems
Inc
9176 Red Branch Rd, Columbia, MD 21045, (410) 997-0188 A R M
Security Systems
Bowie, MD 20715, (301) 464-9600 A R M Security Systems Inc
Reisterstown, MD 21136, (410) 526-4990 Asi Div of Tenn Security
11910t Parklawn Dr, Rockville, MD 20852, (301) 881-0420 Atlantic
Home Security
10320 Little Patuxent Pkwy, Columbia, MD 21044, (410) 536-0010
Atlantic/Dynamark Security Systems
19741 Suite G Leitersburg, Hagerstown, MD 21742, (800) 237-3609
Automated Protection Systems
Manchester, MD 21102, (410) 239-4644 Baltimore Alarm & Security
Inc
5314 Reisterstown Rd, Baltimore, MD 21215, (410) 358-8600 Banister
Samuel
Baltimore, MD 21201, (410) 467-4647 Bay Country Security Inc
204 Dorchester Ave, Cambridge, MD 21613, (410) 228-5785 Bay
Country Security Inc
Easton, MD 21601, (410) 820-6040 Bay Country Alarms
Mechanicsville, MD 20659, (301) 884-0665 Benchmark Security
Systems Inc
7515 Crofton Colony Dr, Crofton, MD 21114, (410) 451-2664 Best
Glass & Plastic Co
781 Washington Blvd, Baltimore, MD 21230, (410) 539-3094 Bfpe
International
7512 Connelley Dr, Chestertown, MD 21620, (410) 778-4993 Avnet
Security Systems
2652 W Patapsco Ave, Baltimore, MD 21230, (410) 525-2690 Avnet
Security Systems
Baltimore, MD 21201, (410) 727-8454 Burglar Alarms of Maryland
Baltimore, MD 21201, (410) 823-6900 Cantner Alarm Service
Hagerstown, MD 21740, (301) 791-0677 C B S Central Burglar
Security Systems
506 College Ave, Lutherville Timonium, MD 21093, (410) 252-0516 C
& C Homation Systems Inc
19120 Harkness Ln, Gaithersburg, MD 20879, (301) 670-9775 Cecil
Alarm Co
Elkton, MD 21921, (410) 392-9113 Central Maryland Alarm
Owings Mills, MD 21117, (410) 876-4256 Century Security Systems
Silver Spring, MD 20901, (301) 622-3996 Charles Kay
Gaithersburg, MD 20877, (301) 948-1814 Custom Electronic Systems
6953 Rockfield Rd, Windsor Mill, MD 21244, (410) 944-0419 Custom
Security Inc
13904 Wanegarden Dr, Germantown, MD 20874, (301) 428-3298 Custom
Security Services
136 Industry Ln Ste 5, Forest Hill, MD 21050, (410) 838-8575 Cv
Security Inc
Bowie, MD 20715, (301) 249-0600 Cv Systems
Bowie, MD 20715, (301) 249-0600 Custom Security Services
Bel Air, MD 21014, (410) 803-2525 D/A Mid Atlantic Inc
9050 Red Branch Rd Ste P, Columbia, MD 21045, (410) 992-0031 Daves
Auto Alarm
Clinton, MD 20735, (301) 234-9881 David Land
901 Pope Ave, Hagerstown, MD 21740, (301) 733-9589 Delta Alarm
Systems
Elkton, MD 21921, (410) 620-9518 Delico Inc
781 Washington Blvd, Baltimore, MD 21230, (410) 539-3094
Integrated Control Systems Inc
900 N Lehigh St, Baltimore, MD 21215, (410) 542-4858 Dictograph
Security Systems
12321 Wilkins Ave Ste A, Rockville, MD 20852, (301) 231-0555
Dictograph Security
Rockville, MD 20850, (301) 365-0965 Digital Electronics
Randallstown, MD 21133, (410) 655-2136 Dish Systems
7479 Old Alexandra Fry Rd, Clinton, MD 20735, (301) 877-1150
Diversified Technologies Inc
Westminster, MD 21157, (410) 526-5516 Dunbar Alarm Systems
Dundalk, MD 21222, (410) 282-6000 D & S Security Systems
307 4th Ave Se, Glen Burnie, MD 21061, (410) 761-4433 Duckpin
Bowlers Tour
Baltimore, MD 21201, (410) 747-8429 East Coast Security Corp
Millersville, MD 21108, (410) 987-0335 Dynamark Security Centers
2125 Baldwin Ave Ste 10b, Crofton, MD 21114, (301) 858-0820
Dynamark Security Centers
11712 Bayberry Ave, Cumberland, MD 21502, (301) 729-0363 Dynamark
Security Centers
107 N Carroll St, Thurmont, MD 21788, (301) 271-2508 Earth
Security Electronics Inc
520 Mccormick Dr Ste A, Glen Burnie, MD 21061, (410) 766-1993
Eastern Home Security Inc
5110 Roanoke Pl Ste 101, College Park, MD 20740, (410) 421-5880
Easters Lock & Access Systems Inc
1713 E Joppa Rd, Parkville, MD 21234, (410) 665-6566 Electric
Advantage Inc
1084 Taft St, Rockville, MD 20850, (301) 424-9588 Electronic
Security Protection
5 Ridgeside Ct, Mount Airy, MD 21771, (301) 829-8240 Electra-Gard
17104 Governor Bridge Rd, Bowie, MD 20716, (301) 464-4600 Gaurdian
Advanced Protection
4810 Harford Rd, Baltimore, MD 21214, (410) 444-1870 Gbs Security
Systems
Davidsonville, MD 21035, (301) 261-7462 Gbs Security Systems Inc
700 Clabber Hill Rd, Church Hill, MD 21623, (410) 758-2854 General
Alarm Company
Oakland, MD 21550, (301) 387-2334 General Alarm Company
900 N Lehigh St, Baltimore, MD 21205, (410) 522-7676 G & J
Customized
1916 Suffolk Rd, Finksburg, MD 21048, (410) 857-0342 Glessner
Alarm & Communications
Frederick, MD 21701, (301) 694-8282 Glessner Communication & Alarm
Systems
Frederick, MD 21701, (301) 694-8282 Glessner Alarm & Communication
Systems
1216 Sherman Ave, Hagerstown, MD 21740, (301) 797-1280 Glessner
Robert L Jr
1216 Sherman Ave, Hagerstown, MD 21740, (301) 797-1280 Global
Traders Direct
Brooklyn Park, MD 21225, (410) 789-4800 Grauel Harry W Sr
Parkville, MD 21234, (410) 665-6566 Guardian Security Systems
Baltimore, MD 21201, (410) 662-7233 Guardian Alarm Systems Inc
19401 Walter Johnson Rd, Germantown, MD 20874, (301) 972-1545
Guard Well Sec
Gaithersburg, MD 20877, (301) 948-1814 Harford Alarm Co
202 E Broadway, Bel Air, MD 21014, (410) 879-0432 Johnsons
Security & Control Inc
Arnold, MD 21012, (410) 431-7260 Jpi Enterprises Inc
Po Box 9690, Baldwin, MD 21013, (410) 817-9044 Kemco Alarm Co
Hyattsville, MD 20781, (301) 779-7989 Kemco Alarm Co
8033 Penn Randall Pl Ste D, Upper Marlboro, MD 20772, (301) 735-9327 Kimrob Corporation
Bowie, MD 20716, (301) 499-5025 Lighthouse Security Corp
217 Wyngate Dr, Frederick, MD 21701, (301) 682-3505 Magellan
Systems Ltd
1934 Lincoln Dr Ste J, Annapolis, MD 21401, (410) 268-1860
Marcellus Security
Annapolis, MD 21401, (410) 224-4730 Maryland Burglar Alarm Co Inc
629 Eastern Blvd, Essex, MD 21221, (410) 780-3100 Maryland Alarms
Baltimore, MD 21201, (410) 823-6900 Maryland Burglar Alarm Co Inc
Baltimore, MD 21201, (410) 780-3100 Marshall Enterprises Security
Systems
2809 Halcyon Ave, Baltimore, MD 21214, (410) 566-0235 Marshall
Enterprises Security Services
Baltimore, MD 21201, (410) 444-8833 Maryland Lightning Protection
Inc
202 E Broadway, Bel Air, MD 21014, (410) 879-0432 Masterguard
3638 Sharp Rd, Glenwood, MD 21738, (301) 854-6242 Maximum Security
Company
1702 Picadilly Rd, Crofton, MD 21114, (301) 261-3600 Medical Alert
Systems of Maryland
Westminster, MD 21157, (410) 875-2126 Meredith P Anthony
246 Cockeysville Rd, Cockeysville, MD 21030, (410) 785-7200
Meredith William J
201 N Charles St, Baltimore, MD 21201, (410) 785-7200 Metro Alarm
Systems Inc
Abingdon, MD 21009, (410) 679-0135 Metropolitan Security Systems
Reisterstown, MD 21136, (410) 833-3725 Merritt Security
4700 Belle Grove Rd, Brooklyn Park, MD 21225, (410) 636-6360 Metro
Lock & Security
Silver Spring, MD 20901, (301) 562-1972 Olde Line Security Centre
Upper Marlboro, MD 20772, (301) 218-9668 Olde Line Security Centre
Riva, MD 21140, (410) 956-2531 Oracle Surveillance Systems Inc
Baltimore, MD 21201, (443) 436-0700 Perimeter Security Systems
Sales Service
Baltimore, MD 21201, (410) 466-2100 Petitbon Alarm Company
2125 Baldwin Avenue, Crofton, MD 21114, (301) 858-0820 Permaloc
Security Devices Inc
10801 Lockwood Dr Ste 230, Silver Spring, MD 20901, (301) 681-6300 Planet Security Systems
1059 7th St, Glen Burnie, MD 21060, (410) 590-5100 Potomac
Security Systems
Rockville, MD 20850, (301) 983-0907 Premier Security
Gaithersburg, MD 20877, (301) 840-3477 Priority Security West
Bethesda, MD 20814, (301) 652-1990 Protective Security
Oakland, MD 21550, (301) 387-6023 Protective Instruments Inc
Baltimore, MD 21201, (410) 467-4647 Pro-Line Security Systems by
Myer-Emco Inc
Frederick, MD 21701, (301) 696-1500 Pro Tech Systems Inc
12704 Silverbirch Ln, Laurel, MD 20707, (301) 490-6460 Protection
Plus System O
Baltimore, MD 21201, (410) 592-9747 Pyramid Systems Inc
7479 Old Alexandra Fry Rd, Clinton, MD 20735, (301) 877-1150
Questron Inc
8310 Guilford Rd, Ellicott City, MD 21043, (410) 720-5600 Rampart
Security Systems
North Beach, MD 20714, (301) 855-8573 Rampart Security
Prince Frederick, MD 20678, (301) 884-4600 Rampart Security
Systems
Severna Park, MD 21146, (410) 544-1929 Rampart Security Systems
Ellicott City, MD 21043, (410) 750-9585 Rampart Security Systems
North Beach, MD 20714, (410) 257-9511 Rams Residential Security
Systems
Owings Mills, MD 21117, (410) 363-1938 Rawlings Security &
Electric
18702 Ginger Ct, Germantown, MD 20874, (301) 916-1499 Reed
Security Systems Inc
Po Box 2579, Salisbury, MD 21802, (410) 219-3111 Residential
Burglar Alarm Co Inc
Silver Spring, MD 20901, (301) 598-0615 Risk Management
Consultants
18 Warren Cmn, Cockeysville, MD 21030, (410) 683-4880 Risk
Management Consultants
Lineboro Cpo, MD 21088, (410) 239-3599 R & K Communications
410 E 25th St, Baltimore, MD 21218, (410) 467-6221 Royal Glass Co
Prince Frederick, MD 20678, (410) 535-5111 Safeguard Security
System
7825 E Baltimore St, Baltimore, MD 21224, (410) 284-2042 Safeway
Security Systems
Owings Mills, MD 21117, (410) 363-0037 Safemasters - Sales &
Service
2700 Garfield Ave, Silver Spring, MD 20910, (301) 699-5100
Satellite Industries
101 Cherrywood Ter, Gaithersburg, MD 20878, (301) 840-5420
Satellite Industries Inc
Gaithersburg, MD 20877, (301) 840-5420 Sauer M Co the
Baltimore, MD 21201, (410) 466-7770 The Security Network
101 Chestnut St, Gaithersburg, MD 20877, (301) 670-2885 Security
Solutions
9664 Pennsylvania Ave, Upper Marlboro, MD 20772, (301) 899-0945
SECUR DATA SYSTEMS INC
4650 WEDGEWOOD BLVD suite 104, Frederick, MD 21703, (301) 698-9955 Securex Alarm Services
5950 Symphony Woods Rd Ste 150, Columbia, MD 21044, (410) 964-9000 Security Contractors
Chesapeake Beach, MD 20732, (410) 257-3955 Security Engineering
Mount Airy, MD 21771, (301) 831-3310 Security Systems Controls Inc
850 Evergreen Rd, Severn, MD 21144, (410) 787-0897 Securex
Rockville, MD 20850, (301) 340-7200 Securex Alarm Services Inc
Owings Mills, MD 21117, (410) 356-3300 Security Associates of
Maryland Inc
201 N Charles St, Baltimore, MD 21201, (410) 785-7200 Security
Engineering
4509 Metropolitan Ct, Frederick, MD 21704, (301) 694-1230 Security
Plus
Dunkirk, MD 20754, (410) 257-5048 Security Services Co
11439 Mapleview Dr, Silver Spring, MD 20902, (301) 933-6755
Security Technology & Engineering Company
4305 Saint Barnabas Rd Ste 204, Temple Hills, MD 20748, (301) 423-9240 Security Unlimited A Division of Balto
Baltimore, MD 21201, (410) 466-7770 Sentry Installation
15940 Derwood Rd, Derwood, MD 20855, (301) 670-9757 Sentry
Security Alarms Inc
Owings Mills, MD 21117, (410) 581-8000 Simplex Time Recorder Co
12401 Kiln Ct Ste C, Beltsville, MD 20705, (301) 210-6200 Simpkins
Security Systems Inc
205 Linhigh Ave, Nottingham, MD 21236, (410) 882-6778 Shore
Security Systems
Berlin, MD 21811, (410) 641-4431 Simon Security Systems Inc
3402 Parkington Ave, Baltimore, MD 21215, (410) 484-7462 Signal
Security
Berlin, MD 21811, (410) 641-7455 Simplex Time Recorder Co
1301 W Washington St, Hagerstown, MD 21740, (301) 791-1064 Smith
Harry J
6441 Leonardtown Rd, Bryantown, MD 20617, (301) 645-3287 Smith
Harry J
Rr 5, Bryantown, MD 20617, (301) 843-6661 Slk Security
Rising Sun, MD 21911, (410) 658-4349 Trojan Alarm Solutions Inc
508 Mccormick Dr, Glen Burnie, MD 21061, (410) 863-1434 Alarm
Security Group
College Park, MD 20740, (301) 937-8880 Crimpco Security
Baltimore, MD 21201, (410) 484-0363 Protection One
3921 Vero Rd Ste B, Baltimore, MD 21229, (410) 247-3997 Alarm
Detection Systems
10226 Governor Lane Blvd, Williamsport, MD 21795, (301) 223-4800
Dunbar Alarm Systems
7675 Canton Center Dr, Baltimore, MD 21224, (410) 282-6000 I S I
Security Inc
9693 Gerwig Ln, Columbia, MD 21046, (410) 309-4523 Fire Burglary
Alarms Inc
12321 Wilkins Ave Ste A, Rockville, MD 20852, (301) 231-0555 Apple
Security Llc
Westminster, MD 21157, (410) 875-1900 Daves Auto Body
Clinton, MD 20735, (301) 234-9881 Dantech
9 W Ridgely Rd # C, Luthvle Timon, MD 21093, (410) 583-8324 Jpi
Enterprises Inc
Fork, MD 21051, (410) 817-9044 Shore Sounds Car Stereo Plus
218 Island Plz, Stevensville, MD 21666, (410) 604-6380 American
Automation & Communication
4801 Telsa Dr, Bowie, MD 20715, (410) 573-0800 Homesafe Security
Systems
7338 Baltimore Ave Ste 202, College Park, MD 20740, (301) 779-7233 Alert One Security
11419 Cronridge Dr, Owings Mills, MD 21117, (410) 356-3660 Olde
Line Security Centre
903 Saxon Hill Dr, Cockeysville, MD 21030, (301) 218-9668 Smart
Home Protection Systems Inc
132 Marydell Dr, Westminster, MD 21157, (410) 386-0022 Alarm Pro
7823 Wise Ave # A, Dundalk, MD 21222, (410) 284-3535 Alert Home
Security
211 Courtland Ave, Towson, MD 21204, (410) 321-0220 Pm Security
5110 Rivers Edge PLace, Indian Head, MD 20640, (301) 743-2300 C I
S Security Systems Inc
4643 Benson Ave, Halethorpe, MD 21227, (410) 247-9517 Myeremco
Security
Rockville, MD 20850, (301) 921-0700 Alarm Systems
7924 Old Branch Ave, Clinton, MD 20735, (301) 868-7500 All Pro
Security
Rockville, MD 20850, (301) 881-5537 Pro-Line Security Systems Inc
209 Edison Park Dr, Gaithersburg, MD 20878, (301) 840-8004
Guardian Protection Services
8475 Helgerman Ct, Gaithersburg, MD 20877, (301) 330-1399 Cellular
Alert Security of Maryland Inc
104 Fallsgrove Blvd Apt 3404, Rockville, MD 20850, (301) 279-5988
Feel Safe Security Inc
North Beach, MD 20714, (301) 855-6909 Decision One
10610 Iron Bridge Rd Ste 99, Jessup, MD 20794, (301) 821-4000 Wee
See
Baltimore, MD 21201, (410) 591-4770 Strategic Home Media
104 Fairview Dr, Centreville, MD 21617, (410) 643-3611 Glessner
Communication & Alarm Systems
120 E Antietam St, Hagerstown, MD 21740, (301) 694-8282 First
Alert Professional Security Systems
120 W Antietam St, Hagerstown, MD 21740, (301) 694-8282 Hillel
Nachbi Dba Taloss Enterprise Security
5901 Montrose Rd Apt N603, Rockville, MD 20852, (301) 231-5666
London Technologies Llc
1100 Wicomico St, Baltimore, MD 21230, (410) 230-0150 Pro Line
Systems Inc
7200 Dogwood Ln, Middletown, MD 21769, (301) 473-4392 J & M
Communications
2695 Cassia Dr, Edgewater, MD 21037, (410) 266-7876 Acs Security
Systems
Baltimore Metro, Jarrettsville, MD 21084, (410) 557-6006 Fba Inc
Bethesda, MD 20814, (301) 365-4555 Pro Inc
Laurel, MD 20707, (301) 490-6460 Security Solutions Inc
Capitol Heights, MD 20743, (301) 899-0945 Security Solutions
4720 Raleigh Rd, Temple Hills, MD 20748, (301) 899-0945 Town
Fork, MD 21051, (410) 515-3408 Argus
Baltimore, MD 21201, (410) 659-6900 Nutone Products-Comsec
Intercommunictn & Scrty Sys
Dlr, Silver Spring, MD 20901, (301) 989-0805 Strat
Baltimore, MD 21201, (410) 444-2800 Town Security Inc
2109 Emmorton Park Rd, Edgewood, MD 21040, (410) 515-3408 Aegis
Video Camera Systems Inc
Po Box 502, Bel Air, MD 21014, (410) 592-3570 Allegany Digital
Security
Cumberland, MD 21502, (301) 729-5387 Acs Security Systems
Baltimore, MD 21201, (410) 557-6006 Absolute Pro-Formance
2929 Industrial Park Dr, Westminster, MD 21157, (410) 861-8606
Happys Soul Food
243 N Market St, Frederick, MD 21701, (301) 846-9992 Central
Vacuum Systems
Fork, MD 21051, (410) 817-9044
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