A-1 Action-Integrity Systems
Reisterstown, MD 21136, (410) 833-2800AAA Scrtry & Srvllnc
Kensington, MD 20895, (301) 946-9000 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 Burglar Alarm Systems Inc
Bowie, MD 20715, (410) 643-6505 Accent Landscape Lighting and
Design Llc
38 Atherton Rd, Lutherville Timonium, MD 21093, (410) 252-5577
Accutech Systems
Rockville, MD 20850, (301) 738-8290 ACCUTECH SYSTEMS
704 E GUDE DR UNIT A, Rockville, MD 20850, (301) 738-8290 Acsi
White Plains, MD 20695, (301) 870-6888 Ac & C Security Services
Parkville, MD 21234, (410) 882-8442 A Acme Safe & Locksmiths
7639 Nh Ave, Hyattsville, MD 20781, (301) 445-0060 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 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 Adt Security Services
Inc
6855 Deerpath Rd, Elkridge, MD 21075, (410) 467-9683 Adt Security
Services Inc
Hyattsville, MD 20781, (301) 853-2723 Affordable Cctv Sales &
Installation Inc
1101 S Conkling St, Baltimore, MD 21224, (410) 732-5330 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 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 A H S
Systems
Beltsville, MD 20705, (301) 419-0184 Alarmax Distributors Inc
12200 Kiln Ct, Beltsville, MD 20705, (301) 210-4511 Alarm Smith
Hughesville, MD 20637, (301) 274-0448 Alerthome
Towson, MD 21204, (410) 321-0220 Allied Alarm Specialists
Hagerstown, MD 21740, (301) 733-9589 Alliedsignal Technical
Services Corp
7515 Mission Dr, Lanham, MD 20706, (301) 805-8664 Allstar Security
Systems
Rockville, MD 20895, (301) 949-0336 American Home Alarm Co Inc
Fork, MD 21051, (410) 893-2300 American Home Alarm Co Inc
Aberdeen, MD 21001, (410) 838-7112 American Smart Homes Inc
118 Log Canoe Cir, Stevensville, MD 21666, (410) 604-3650 Security
America Inc
Baltimore, MD 21229, (410) 525-1889 Annapolis Security
West River, MD 20778, (410) 741-5210 Anti-Crime Lock & Alarm Co
15205 Bunchberry Ct, North Potomac, MD 20878, (301) 417-9797
Anti-Crime Lock & Alarm Co
15204 Bunchberry Ct, North Potomac, MD 20878, (301) 212-9339 Mgm
Security Systems Inc
2517 Red Cedar Dr, Bowie, MD 20721, (301) 390-7794 Mid Atantic
Entry MD Llc
1301 Continental Dr Ste 109, Abingdon, MD 21009, (410) 671-7680
Monitor Security And Control System, Inc.
482 White Plains Court, Severna Park, MD 21146, (410) 647-5515
Mount Airy Alarm Systems
Mount Airy, MD 21771, (301) 829-4182 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 Murray
Lock & Security
351 Main St, Laurel, MD 20707, (301) 490-2700 Murray Lock &
Security
11212 Triangle Ln, Kensington, MD 20895, (301) 946-5800 Myer-Emco
209 Edison Park, Rockville, MD 20850, (301) 921-0700 National
Security Inc
10410 Main St, Bethesda, MD 20814, (301) 656-6466 National Counter
Intelligence Agency
22404 Fitzgerald Dr, Gaithersburg, MD 20882, (301) 330-0604
Nationwide Creditcard Center
600 Reisterstown Rd, Pikesville, MD 21208, (410) 602-8171 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 SONITROL OF
BALTIMORE
2631 SISSON ST 1ST. FL, Baltimore, MD 21211, (410) 338-1800
Security Solutions Inc
Capitol Heights, MD 20743, (301) 599-7565 Spider Internet Tec
1713 Rosemont Ave Ste D, Frederick, MD 21702, (301) 698-9069
Statewide Alarms Inc
Baldwin, MD 21013, (410) 592-5885 Starlight Security Inc
Laurel, MD 20707, (301) 497-8646 Tele-Plus Corpporation
Frederick, MD 21701, (301) 662-1500 Tech Toys Llc
966 Hungerford Dr Ste 14b, Rockville, MD 20850, (301) 309-8833
Tele-Tector of Maryland Inc
6935 Oakland Mills Rd, Columbia, MD 21044, (410) 290-5600
Tele-Plus
916 Eldridge Dr, Hagerstown, MD 21740, (800) 542-2733 T E Security
Consultants
2651 Cotoneaster Ct, Waldorf, MD 20601, (301) 396-3980 The Keyman
Annapolis, MD 21401, (410) 266-6332 Town Security
Fork, MD 21051, (410) 515-3408 Trojan Alarm Solutions Inc
Baltimore, MD 21201, (410) 344-1006 Tri-State Micrographics Inc
101d E Baltimore St, Hagerstown, MD 21740, (301) 733-9471 Security
Products Corp
12 Newton Rd, Aberdeen, MD 21001, (410) 272-0330 Twa Enterprises
Inc
Beltsville, MD 20705, (301) 572-2464 Tsr Security Inc
4614 Old Court Rd, Pikesville, MD 21208, (410) 496-7040 United
Security Alarm Inc
6015 Monroe Ave, Sykesville, MD 21784, (410) 781-6858 University
Landing Apt
1026 University Blvd E, Silver Spring, MD 20903, (301) 439-0389
Universal Security Instruments Inc
7 Gwynns Mill Ct Ste A, Owings Mills, MD 21117, (410) 363-3000
Unlimited Security Inc
8605 Cameron St Ste M-6, Silver Spring, MD 20910, (301) 650-2044
USA Home Security
7329 Holabird Ave, Dundalk, MD 21222, (410) 288-5913 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
Vector Security
Randallstown, MD 21133, (410) 655-7474 Vintage Security
6630 Eli Whitney Dr Ste D, Columbia, MD 21046, (301) 596-7663
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 Wells Fargo
Alarm Services - Service
809 Barkwood Ct Ste A, Linthicum, MD 21090, (410) 636-5601
Annapolis Zelkos Security Systems
Annapolis, MD 21401, (410) 263-4457 Covert Camera Systems Inc
Middletown, MD 21769, (301) 371-5575 Affordable Home Security Inc
Odenton, MD 21113, (301) 912-1973 Cross Country Security Systems
6514 Brighton Ave, Baltimore, MD 21215, (410) 764-8455 Alarm
Capital Alliance
Smithsburg, MD 21783, (301) 824-4600 Team First Action Security
Inc
18702 Crestwood Dr, Hagerstown, MD 21742, (301) 797-2124 Coldwell
Banker - Annapolis Plaza
170 Jennifer Rd Ste 102, Annapolis, MD 21401, (410) 224-2200
Centurion Security
4920 Niagara Rd, College Park, MD 20740, (301) 220-0016
Metropolitan Wireless
699 Washington Blvd S, Laurel, MD 20707, (301) 498-8148 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 Pleva Inc
Annapolis, MD 21401, (410) 757-5395 Norment Security Group Inc
7255 Standard Dr, Hanover, MD 21076, (410) 712-6020 Adt Security
Services
605 Ritchie Hwy, Severna Park, MD 21146, (410) 647-5800 Sentry
Alarms
8058 White Lowe Rd, Salisbury, MD 21801, (410) 860-2099 Protection
Services Inc
9300 Darcy Rd, Capitol Heights, MD 20743, (301) 333-6042 A C S
Security
1713 E Joppa Rd, Parkville, MD 21234, (410) 663-9779 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 Btg Sec
Systems
Gwynn Oak, MD 21207, (410) 298-3553 Cv Security Inc
1600 Trade Zone Ave, Upper Marlboro, MD 20772, (301) 249-0600 Opti
Guard
421 Eastern Blvd, Essex, MD 21221, (410) 780-0010 Intertech
Security of MD Inc
8660 Dakota Dr, Gaithersburg, MD 20877, (240) 683-6980 System
Control Service
3815 Old Silver Hill Rd, Suitland, MD 20746, (301) 505-5300
Cogenex
3000 Eagles Nest Dr, Bowie, MD 20716, (301) 809-2600 Trinity
Protection Services Inc
6222 Gothic Ln, Bowie, MD 20715, (301) 860-0452 Siemens Building
Technologies Inc
Gaithersburg, MD 20877, (301) 987-1200 S 3 I L Lc
10715 Red Run Blvd, Owings Mills, MD 21117, (410) 363-1401
Advantage Sentencing Alternative Programs Inc
3697 Park Ave, Ellicott City, MD 21043, (410) 480-8004 Keep Safe
Security
Parkville, MD 21234, (410) 529-3358 Entry Master
3106 Lord Baltimore Dr, Windsor Mill, MD 21244, (410) 594-1805
KINGDOM SECURITY SERVICE
6111 HARLEY LN, Temple Hills, MD 20748, (301) 505-5001 General
Security Systems Inc
600 Reisterstown Rd, Pikesville, MD 21208, (410) 486-4747 Shadow
Security
Owings Mills, MD 21117, (410) 922-2343 Petitbon Alarm Co
Bowie, MD 20715, (301) 858-0820 Avnet Systems
Metropolitan, Baltimore, MD 21201, (410) 525-2690 Myer-Emco
Corporate Office
209 Edison Park Dr, Gaithersburg, MD 20878, (301) 208-2107 Murray
Lock & Security
11212 Triangle Ln, Silver Spring, MD 20902, (301) 946-5800
Statewide Alarms Inc
Baltimore, Baldwin, MD 21013, (410) 592-5885 Intervid Inc
4650 Wedgewood Blvd, Frederick, MD 21703, (301) 698-0086 Certified
Electrical Technologies
2983 S Haven Dr, Crofton, MD 21114, (301) 858-5252 Zelkos Security
Systems Inc
Po Box 905, Edgewater, MD 21037, (410) 263-4457 Assets Protection
Inc
Essex, MD 21221, (410) 780-0010 Priority Security West
6010 Bell Station Rd, Glenn Dale, MD 20769, (301) 464-2453
Pro-Wire Security and Sound Corp
2900 Welchbrook Dr, Huntingtown, MD 20639, (301) 261-5556 Access
Security & Control Systems Inc
1 Colonial Ave, Annapolis, MD 21401, (410) 268-6682 Auracom
Scientific
1933 Church Rd, Dundalk, MD 21222, (410) 990-1801 Security
Products
1948 West St, Annapolis, MD 21401, (410) 897-0087 Parrott Security
Inc
15863 Commerce Ct, Upper Marlboro, MD 20774, (301) 430-7100 Naval
Security Group Command
1207 Millstone Ct, Sykesville, MD 21784, (410) 552-9213 Commcl
Secty Sys Inc
Joppa, MD 21085, (410) 679-6301 Certified Inc
2983 Southhaven Dr, Annapolis, MD 21401, (410) 573-0699 AAA
Security
Pikesville, MD 21208, (410) 653-9004 Matrix Security Systems
9720 York Rd, Cockeysville, MD 21030, (410) 252-3221 Box of Rain
Inc
1496 Reisterstown Rd, Pikesville, MD 21208, (410) 415-6100 I Port
Systems
3600 Clipper Mill Rd, Baltimore, MD 21211, (410) 889-1423 Eastern
Union Funding Llc
9650 Santiago Rd, Columbia, MD 21045, (410) 997-0300 Lg
Electronics
8108 Gray Stone Ln, Pasadena, MD 21122, (410) 439-1110 Matrix
Security Systems
Gwynn Oak, MD 21207, (410) 277-0509 Summit Alarm
1001 Spring St, Silver Spring, MD 20910, (301) 608-3959 Securitec
Systems
12705 Atlantic Ave, Rockville, MD 20851, (301) 340-7713 Securitec
Inc
Rockville, MD 20850, (301) 340-7713 Securitas
5 Public Sq, Hagerstown, MD 21740, (301) 791-5306 Trojan Alarm
Solutions Inc
2600 Cabover Dr Ste E, Hanover, MD 21076, (410) 863-1434 Tle
Security Consultants
10066 Carillon Dr, Ellicott City, MD 21042, (410) 461-7483 Secure
Remotely
2411 Crofton Ln, Crofton, MD 21114, (410) 721-2300 Infinite Limits
Inc
2411 Crofton Ln, Crofton, MD 21114, (410) 721-2300 New Age Telnet
2411 Crofton Ln, Crofton, MD 21114, (410) 721-2300 Access
Automation Controls of Louisana
8845 Kelso Dr, Essex, MD 21221, (410) 391-9788 Security Alarm
Service Inc
PO Box 1008, Frederick, MD 21701, (301) 663-4874 Sentry
Installation
Rockville, MD 20850, (301) 670-1008 Freedom Security
8610 Washington Blvd, Jessup, MD 20794, (301) 604-0005 A R M
Security Systems
208 Main St, Reisterstown, MD 21136, (410) 526-4990 Adt Security
Services Inc
Salisbury, MD 21801, (410) 742-7722 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 Ai Business Solutions
15 Aberdeen Ave, Aberdeen, MD 21001, (410) 575-7065 Usi Eelectric
Pikesville, MD 21208, (410) 363-3000 Alarm Watch Inc
10616 Beaver Dam Rd, Cockeysville, MD 21030, (410) 584-9695 Globe
Aviation
Baltimore Washington, Linthicum Heights, MD 21090, (410) 859-8500
Commercial Security Systems Inc
Joppa, MD 21085, (410) 679-6301 Security Remodeling Inc
Maryland, Severn, MD 21144, (410) 551-3300 Cheaspeake Technical
Service
105 Carroll Rd, Stevensville, MD 21666, (410) 643-0185 Chesapeake
Security Alarms Inc
College Park, MD 20740, (301) 474-0211 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 Chesapeake &
Potomac Audio Visual Services Inc
Annapolis, MD 21401, (410) 626-9936 Chesapeake Smart Homes
118 Log Canoe Cir, Stevensville, MD 21666, (410) 604-3600 Choptank
Security
24820 Meeting House Rd, Denton, MD 21629, (410) 479-4345
Commercial Electronics Company
15524 New Hampshire Ave, Silver Spring, MD 20905, (301) 236-0300
Commercial Lock & Safe Co Inc
Fox Run, Clinton, MD 20735, (301) 868-2200 Columbia Security
Hagerstown, MD 21740, (301) 790-7589 Communications Resource Inc
Rockville, MD 20850, (301) 424-5522 Commonwealth Security Systems
Bel Air, MD 21014, (410) 879-3555 Compliance Corp
34 Essex Dr S, Lexington Park, MD 20653, (301) 863-8070 Cook
International
5659 Thicket Ln, Columbia, MD 21044, (301) 596-0462 Crs Security
Inc
Westminster, MD 21157, (410) 876-7264 Crimpco
Pikesville, MD 21208, (410) 484-0363 E-Quip
5713 Industry Ln Ste 56, Frederick, MD 21704, (301) 668-9440 Entry
Control Systems Inc
4145 Hayward Ave, Baltimore, MD 21215, (410) 466-0738 E Systems
Inc
6499 Lacelike Row, Columbia, MD 21045, (410) 290-9752 Feel Safe
Security Inc
2972 Penwick Ln, Dunkirk, MD 20754, (301) 855-6909 Fase Company
1201 Rayville Rd, Parkton, MD 21120, (410) 343-0190 First Alert
Professional Security Systems
15940 Derwood Rd, Derwood, MD 20855, (301) 670-1008 Fire Burglary
Alarms Inc
Kensington, MD 20895, (301) 231-0555 First Alert Professional
Security Systems
Frederick, MD 21701, (301) 694-8282 Fidelity Security Inc
Elkridge, MD 21075, (410) 579-2527 Home Safe Security Systems Inc
4040 Blackburn Ln, Burtonsville, MD 20866, (301) 421-9717 Immanuel
Korean Presbyterian Church
13025 Good Samaritan Dr, Waldorf, MD 20601, (301) 843-9540
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 Institutional Services Inc
6025 White Rock Rd, Sykesville, MD 21784, (410) 795-7228
Integrated Technologies Inc
8920 State Route 108, Columbia, MD 21045, (301) 596-5700
Interamerican Security Inc
Bethesda, MD 20814, (301) 530-9140 Isi Security Inc
1729 Elton Rd, Silver Spring, MD 20903, (301) 434-2722 I Port
Systems
Baltimore, MD 21201, (410) 889-1423 Iss Inc
12053 Tech Rd, Silver Spring, MD 20904, (301) 622-6900 J & C
Custom Design
Greensboro, MD 21639, (410) 482-6751 Argus Security
Baltimore, MD 21201, (410) 659-6900 A R M Security Systems Inc
Reisterstown, MD 21136, (410) 526-4990 Ark Engineering Inc
9176 Red Branch Rd, Columbia, MD 21045, (301) 621-5736 Ark Systems
Inc
5 National Hwy, Cumberland, MD 21502, (301) 722-3590 Asi Div of
Tenn Security
11910t Parklawn Dr, Rockville, MD 20852, (301) 881-0420 Astro
Security Corp
3321 Olympia Ave, Baltimore, MD 21215, (410) 358-9206 Atmsi
Columbia, MD 21044, (410) 740-4445 Atlantic/Dynamark Security
Systems
19741 Suite G Leitersburg, Hagerstown, MD 21742, (800) 237-3609
Automated Protection Systems
Manchester, MD 21102, (410) 239-4644 Atlantic Security Inc
944 Washington Ave, Chestertown, MD 21620, (410) 778-6112
Automatic Sprinkler Corp of America
9585 Snowden River Pkwy, Columbia, MD 21046, (410) 381-1400
Baltimore Alarm & Security Inc
5314 Reisterstown Rd, Baltimore, MD 21215, (410) 358-8600 Barnhart
L E Investigations
Hagerstown, MD 21740, (301) 791-6211 Bay Country Security Inc
204 Dorchester Ave, Cambridge, MD 21613, (410) 228-5785 B & B
Security Consultants Inc
2300 Shorefield Rd, Silver Spring, MD 20902, (301) 962-4948 Avnet
Security Systems
2652 W Patapsco Ave, Baltimore, MD 21230, (410) 525-2690 Brinks
Home Security Inc
4200 Forbes Blvd Ste 102, Lanham, MD 20706, (301) 731-8540 Burglar
Alarms of Maryland
Baltimore, MD 21201, (410) 823-6900 Pinkerton-Burns International
Security Services
5 Public Sq, Hagerstown, MD 21740, (301) 791-5306 Caldabaugh
Communications Inc
438 Snow Hill Rd, Salisbury, MD 21804, (410) 742-1185 Cantner
Alarm Service
Hagerstown, MD 21740, (301) 791-0677 Carrolls Locksmithing
Clarksburg, MD 20871, (301) 762-1272 Cv Security Inc
Bowie, MD 20715, (301) 249-0600 Cv Systems
Bowie, MD 20715, (301) 249-0600 C T L Communications Televideo
Limited
9301 Georgia Ave, Silver Spring, MD 20910, (301) 585-6311 Ctl
Communication Televideo Limited - Industrial Sales
9301 Georgia Ave, Silver Spring, MD 20910, (301) 585-6311 Ctl
Communication Televideo Limited - Administration Ofc
9301 Georgia Ave, Silver Spring, MD 20910, (301) 585-6311 Custom
Banktech Services Inc
Owings Mills, MD 21117, (410) 363-4429 Custom Electronic Services
Baltimore, MD 21201, (410) 363-4949 D/A Mid Atlantic Inc
9050 Red Branch Rd Ste P, Columbia, MD 21045, (410) 992-0031 Data
Image Group
101 E Baltimore St, Hagerstown, MD 21740, (301) 733-9471 Data
Xchange
3 Main St, Walkersville, MD 21793, (301) 898-1647 David Land
901 Pope Ave, Hagerstown, MD 21740, (301) 733-9589 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
Doctor Audio
5732 Buckeystown Pike Ste 23, Frederick, MD 21704, (301) 663-1000
Door Access Controls
Glen Burnie, MD 21061, (410) 760-0006 Dunbar Alarm Systems
Dundalk, MD 21222, (410) 282-6000 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 Easters
Lock & Access Systems Inc
1713 E Joppa Rd, Parkville, MD 21234, (410) 665-6566 Eagle Eye
Technologies Inc
Middletown, MD 21769, (301) 371-8700 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 Efi Security
Monitoring
Bryantown, MD 20617, (301) 274-0448 Galaxy Control Systems
3 Main St, Walkersville, MD 21793, (301) 898-3500 Gaurdian
Advanced Protection
4810 Harford Rd, Baltimore, MD 21214, (410) 444-1870 Gatetech
Parking Systems
10017 Evergreen Ave, Columbia, MD 21046, (410) 740-5200 Gatetech
Systems Inc
Columbia, MD 21044, (410) 740-5200 Glessner Alarm & Communications
Frederick, MD 21701, (301) 694-8282 Glessner Communication & Alarm
Systems
Frederick, MD 21701, (301) 694-8282 Grauel Harry W Sr
Parkville, MD 21234, (410) 665-6566 Guardian Security Systems
Baltimore, MD 21201, (410) 662-7233 Grinnell Fire Protection
9585 Snowden River Pkwy, Columbia, MD 21044, (410) 381-1400
Hamilton Safe Mid-Atlantic
Owings Mills, MD 21117, (410) 363-4429 Harris Security
501 Little Current Dr, Annapolis, MD 21401, (410) 349-2200
Johnsons Security & Control Inc
Arnold, MD 21012, (410) 431-7260 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 Kipp Visual Systems
3600 Clipper Mill Rd Ste 105, Baltimore, MD 21211, (410) 235-9900
King Alarm Co
3942 6th St, North Beach, MD 20714, (410) 257-2720 Labrepco MD
132 Quiet Waters Pl, Annapolis, MD 21403, (410) 268-6685 Lanier
Electronics Group Inc
Bowie, MD 20715, (301) 262-6600 Lee Electronics Inc
Rockville, Rockville, MD 20850, (301) 294-0212 Magic Operations
Millersville, MD 21108, (410) 987-6763 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 Maryland Bureau of Protection
8694 Commerce Dr, Easton, MD 21601, (410) 819-6800 Maryland Fence
7318 Philadelphia Rd, Rosedale, MD 21237, (410) 866-3200 Maximum
Security Corporation
5210 Auth Rd Ste 305, Suitland, MD 20746, (240) 695-0882 Metro
Lock & Security
Silver Spring, MD 20901, (301) 562-1972 Parrott Security
Gambrills, MD 21054, (410) 451-1398 Petitbon Alarm Company
2125 Baldwin Avenue, Crofton, MD 21114, (301) 858-0820 P M
Security Systems
1320 Broadview Blvd N, Glen Burnie, MD 21061, (443) 572-0428
Potomac Security Systems
Rockville, MD 20850, (301) 983-0907 Protective Security
Oakland, MD 21550, (301) 387-6023 Pro-Line Security Systems by
Myer-Emco Inc
Frederick, MD 21701, (301) 696-1500 Pub Security & Investigations
Inc
803 Streambank Ct, Towson, MD 21286, (410) 321-1771 Pro Line
Systems Inc
20528 Riggs Hill Way, Brookeville, MD 20833, (301) 260-2233
Protection Plus
Mechanicsville, MD 20659, (301) 472-4866 Quorum Independent
Distributor
11905 Rushworth Ter, Germantown, MD 20874, (301) 916-7626 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 Resco Security Services
4710 Auth Place, Suitland, MD 20746, (301) 423-3366 Right One Inc
Bethesda, MD 20814, (301) 581-7123 Rollins Protective Services Co
Westminster, MD 21157, (410) 848-7144 Safemasters - Sales &
Service
2700 Garfield Ave, Silver Spring, MD 20910, (301) 699-5100 Safe &
Security Systems
3107 Lorena Ave, Baltimore, MD 21230, (410) 332-0077 S 2I
479 Jumpers Hole Rd, Severna Park, MD 21146, (410) 315-7995 Safe
Sites Security Co Inc
8 Carissa Ct, Owings Mills, MD 21117, (443) 394-5984 Satellite
Industries
101 Cherrywood Ter, Gaithersburg, MD 20878, (301) 840-5420
Satellite Industries Inc
Gaithersburg, MD 20877, (301) 840-5420 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 Security Group
One
Fork, MD 21051, (410) 592-7565 Security Administration Services
Inc
421 Eastern Blvd, Essex, MD 21221, (410) 780-0010 Securitec
Systems
615 Lofstrand Ln, Rockville, MD 20850, (301) 340-7715 Security
Alarms
115 Melvin Ave, Queenstown, MD 21658, (410) 827-8919 Security Inc
6100 Westchester Park Dr, College Park, MD 20740, (301) 441-1002
Security Tech
Upper Marlboro, MD 20772, (301) 599-6405 Security Technologies
Group
11539 Darnestown Rd, Gaithersburg, MD 20877, (301) 987-8799
Securities America Inc
Baldwin, MD 21013, (410) 592-8580 Security & Associated Services
Cockeysville, MD 21030, (410) 785-0155 Sentry Installation
15940 Derwood Rd, Derwood, MD 20855, (301) 670-9757 Signals
Communication Systems Inc
11438 Cronridge Dr, Pikesville, MD 21208, (410) 363-2555 Shore
Security Systems
Berlin, MD 21811, (410) 641-4431 Simon Security Systems Inc
3402 Parkington Ave, Baltimore, MD 21215, (410) 484-7462 Shutronix
Pikesville, MD 21208, (410) 653-1500 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 Slk
Security
Rising Sun, MD 21911, (410) 658-4349 Dci Construction Management
Inc
5317 Ritchie Hwy, Brooklyn Park, MD 21225, (410) 789-1300 Trojan
Alarm Solutions Inc
508 Mccormick Dr, Glen Burnie, MD 21061, (410) 863-1434 Crimpco
Security
Baltimore, MD 21201, (410) 484-0363 Johnson Controls
Davidsonville, MD 21035, (410) 798-7192 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
Granite Security Services
21318 Golf Estates Dr, Laytonsville, MD 20882, (301) 527-6390
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 Honeywell -
Building Control, Burglar-Fire Alarms Central Station Monitoring,
Service-Sales
6935 Golden Ring Rd, Rosedale, MD 21237, (301) 621-2768 Fire
Burglary Alarms Inc
12321 Wilkins Ave Ste A, Rockville, MD 20852, (301) 231-0555 Apple
Security Llc
Westminster, MD 21157, (410) 875-1900 Pro-Lynx Inc.
po box 33, Manchester, MD 21102, (410) 374-1812 Alarm Guard
Security Systems
Randallstown, MD 21133, (410) 655-7474 Smart Home Protection
Systems Inc
132 Marydell Dr, Westminster, MD 21157, (410) 386-0022 Checkpoint
Systems
1530 Cedarwood Dr, Bel Air, MD 21014, (410) 547-7230 Datacard
Corporation
6010 Executive Blvd Ste 100, Rockville, MD 20852, (301) 231-8003 C
I S Security Systems Inc
4643 Benson Ave, Halethorpe, MD 21227, (410) 247-9517 Myeremco
Security
Rockville, MD 20850, (301) 921-0700 Ultra Guard Security Systems
Ashton, MD 20861, (301) 570-0700 Electro Security Corp
6 Aquahart Rd, Glen Burnie, MD 21061, (410) 760-0600 Trinity
Protection Services Inc
9315 Largo Dr W Ste 230, Upper Marlboro, MD 20774, (301) 333-7450
Acme Safe & Locksmiths
Hyattsville, MD 20781, (301) 445-0060 Priority Security West Inc
3210 Tucker Rd, Fort Washington, MD 20744, (301) 449-3850 Sherlock
Security
Silver Spring, MD 20901, (301) 587-6866 Chesapeake Systems Service
Inc
10921 Pump House Rd, Annapolis Junction, MD 20701, (301) 317-0001
Feel Safe Security Inc
North Beach, MD 20714, (301) 855-6909 Access Automation Controls
of Louisana
1712 Gillingham Dr, Bel Air, MD 21015, (410) 391-9788 Add Security
Westminster, MD 21157, (410) 857-5217 L E Barnhart Security &
Investigation
11706 White Hall Rd, Smithsburg, MD 21783, (301) 791-6211 Hancock
Gate Operator Sys
Salisbury, MD 21801, (443) 235-3633 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 Acs
Security Systems
Baltimore Metro, Jarrettsville, MD 21084, (410) 557-6006 Honeywell
Service-Sales, Cockeysville, MD 21030, (410) 785-7600 Murray Lock
& Security
Laurel, Kensington, MD 20895, (301) 490-2700 Maximum Security
Corporation
Temple Hills, MD 20748, (240) 695-0882 Ultra Guard Security
Systems
Brookeville, MD 20833, (301) 260-2233 Trusted Systems Inc
3884 Northgate Pl, Waldorf, MD 20602, (301) 396-4844 Ellen
Enterprises
8670 Georgia Ave, Silver Spring, MD 20910, (301) 565-8280 United
Security Inc
8605 Cameron St, Silver Spring, MD 20910, (301) 650-2044 Best
Locking Systems of Maryland
Rockville, MD 20850, (301) 762-5930 Adt Security Services Inc
2 Metropolitan Ct Ste 8, Gaithersburg, MD 20878, (301) 212-9048
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 Murray Lock & Security
Wheaton, Kensington, MD 20895, (301) 946-5800 Adt Security
Services Inc
Service & Customer Monitoring Center, Hyattsville, MD 20781, (301)
853-2000 Adt Security Services Inc
Commercial Sales, Hyattsville, MD 20781, (703) 212-8300 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 Ocean Watch Security
303 Academy Ave, Federalsburg, MD 21632, (410) 754-7653 Acs
Security Systems
Baltimore, MD 21201, (410) 557-6006 Happys Soul Food
243 N Market St, Frederick, MD 21701, (301) 846-9992 Ai Business
Solutions
Baltimore, MD 21201, (410) 575-7065 |
