7 Ks Investigations
Joppa, MD 21085, (410) 538-5914Absolute Investigative Services
Bel Air, MD 21014, (410) 879-5540 Absolute Investigative &
Security
Columbia, MD 21044, (410) 740-5232 A Capitol Process Services
Bethesda, MD 20814, (301) 718-7733 Aarrow Security Analysts Inc
Catonsville, MD 21228, (410) 869-8644 Investigative Services
604 E Joppa Rd, Towson, MD 21204, (410) 321-1520 A Approved
Locksmiths
Hagerstown, MD 21740, (301) 791-7039 A Authorized Investigator
111 N Potomac St, Hagerstown, MD 21740, (301) 791-7039 Accelerated
Design & Technology
111 N Potomac St, Hagerstown, MD 21740, (301) 791-7039 A & B
Investigations
Baltimore, MD 21201, (410) 242-6412 Ada Investigations Inc
1234 Delmar, Delmar, MD 21875, (410) 896-4178 Accident
Reconstruction Journal
Waldorf, MD 20602, (301) 843-1371 Accu-Line Investigations
Burtonsville, MD 20866, (301) 236-9600 Advanced Information
Research
11403 Cronridge Dr Ste 232, Owings Mills, MD 21117, (410) 654-5665 The Agency Inc
8604 2nd Avenue, Silver Springs, MD 20910, (877) 420-1489
Advantage Investigative Service
25 W Chesapeake Ave Ste 202, Towson, MD 21204, (410) 296-4456
Affordable Information Services
Oxon Hill, MD 20745, (301) 630-7837 Affordable Investigative
Services
6714 Trowbridge Pl, Fort Washington, MD 20744, (301) 567-2083 A H
M Performance
7528 Philadelphia Rd, Rosedale, MD 21237, (410) 866-4747 Airtight
Investigations.com
13012 Estelle Road, Silver Spring, MD 20906, (301) 933-1301 All
County Investigation & Security Agency
8386 Court Ave, Ellicott City, MD 21043, (410) 461-5474 All County
Investigation & Security Agency
77 E Main St, Westminster, MD 21157, (410) 876-9772 All County
Security Agency Inc
Sykesville, MD 21784, (410) 549-7680 Alliance Investigations Inc
6130 Oxon Hill Rd Ste 100, Oxon Hill, MD 20745, (301) 567-5700
Allied Investigating Agency Inc
311 Quilting Way, Bel Air, MD 21015, (410) 515-9900 All-Tech
Investigations & Process Service Inc
Bowie, MD 20715, (301) 249-6844 American Intell
Cumberland, MD 21502, (301) 777-5210 Americas Energy Savers
5119 Harford Rd, Baltimore, MD 21214, (410) 665-0800 Andersen &
Associates
1 N Charles St, Baltimore, MD 21201, (410) 752-3927 Security
America Inc
Baltimore, MD 21229, (410) 525-1889 Apex Investigative Services
Inc
Kensington, MD 20895, (301) 231-7745 Apex Investigative Services
Inc
Glen Burnie, MD 21061, (410) 590-3700 Mid-Atlantic Investigative
Services
Westminster, MD 21157, (410) 374-8380 Mirage Investigative
Services
2000 Pembrook Ct, Emmitsburg, MD 21727, (301) 447-2501 Montgomery
Security Services
12073 Tech Rd Ste B, Silver Spring, MD 20906, (301) 384-7777 Nanny
Check
7941 Bennett Branch Rd, Mount Airy, MD 21771, (301) 831-7747
Myhill John E PHD
1410 Forest Dr Ste 34, Annapolis, MD 21403, (410) 280-9785 Murray
Investigations
Easton, MD 21601, (410) 829-0492 Murray Investigations Easton Tel
Easton, MD 21601, (410) 822-2848 National Association of Bunco
Investigators Inc
400 E Pratt St Ste 800, Baltimore, MD 21202, (410) 752-8150
National Background Investigations
Stevensville, MD 21666, (410) 604-6200 Nationwide Investigative
Agency Inc
Burtonsville, MD 20866, (301) 890-8794 Spring Capital Investors
Llc
2 E Read St, Baltimore, MD 21202, (410) 685-8000 Sprague
Investigations
Myersville, MD 21773, (301) 293-2236 Statewide Bureau of
Investigations
Baltimore, MD 21201, (410) 687-6609 Sterling Moving & Storage Inc
Laurel, MD 20707, (301) 498-7779 STREET GROUP INCorporated
110 E LEXINGTON ST, Baltimore, MD 21202, (410) 332-0069 ST MORITZ
INVESTIGATIONS
340 W PATRICK ST, Frederick, MD 21701, (301) 662-5624 Sullivan
William C Accident Consultant
Trappe, MD 21673, (410) 476-3046 Szweda Investigative Services
Clarksville, MD 21029, (410) 531-6533 Talon Detective Agency Inc
Hughesville, MD 20637, (301) 274-9225 The Agency Inc
Kensington, MD 20895, (301) 649-4823 Thomas Patient Care Service
540 Riverside Dr., Suite 3, Salisbury, MD 21802, (410) 548-2959
Thomas & Thomas Detective Agency
540 Riverside Dr Ste 3, Salisbury, MD 21801, (410) 548-2959 The
Premier Group
Laurel, MD 20707, (301) 483-6068 Thompson Investigative Agency
8424 Veterans Hwy Ste 3, Millersville, MD 21108, (410) 987-8181
The Travers Organization Inc
22 Foxfire Dr, Port Deposit, MD 21904, (410) 658-7660 Wackenhut
Corp the
6630 Baltimore Natinl Pke, Catonsville, MD 21228, (410) 788-6800 T
& M Investigations
Chestertown, MD 21620, (410) 348-2333 Tolle Investigative Services
Inc
Elkridge, MD 21075, (410) 540-9595 Tontine Group
Baltimore, MD 21201, (410) 659-7171 Tri State Security & Investiga
6910 Leyte Drive, Oxon Hill, MD 20745, (301) 567-5855 Unitech &
Associates
Severna Park, MD 21146, (410) 793-0800 Unified Investigations &
Sciences Inc
Salisbury, MD 21801, (410) 677-0200 US Bureau of Special
Investigations
140 E Main St, Elkton, MD 21921, (410) 392-0310 US Investigation
Services Inc
7467 Ridge Rd Ste 340, Hanover, MD 21076, (410) 694-0701 US
Investigations Services Inc
6525 Belcrest Rd Ste 600, Hyattsville, MD 20782, (301) 887-1054
Velez & Associates
Columbia, MD 21044, (410) 997-1755 Verifacts Systems Inc
10749 Folkestone Way, Woodstock, MD 21163, (410) 461-7928 Full
Service Vending
1001 Wilso Dr, Baltimore, MD 21201, (410) 242-6412 Viola Russell
Investigations
Capitol Heights, MD 20743, (301) 423-4110 Wackenhut Security
Services
7112 Willow Ave, Takoma Park, MD 20912, (301) 891-1210 WATKINS
SECURITY AGENCY INC
2901 DRUID PARK DR STE A106, Baltimore, MD 21215, (410) 523-5080
Web Page Writers
1110 Bonifant St, Silver Spring, MD 20910, (301) 587-3111 Wecare
Private Duty Services Inc
1852 Reisterstown Rd, Pikesville, MD 21208, (410) 602-3993 West
River Group the
Annapolis, MD 21401, (301) 261-9366 Widenhouse & Associates
Bel Air, MD 21014, (410) 638-9740 Widenhouse & Associates
Fork, MD 21051, (410) 893-2228 Wizard Investigations
Edgewood, MD 21040, (410) 612-1019 Willowbrook Road Billboards
Cumberland, MD 21502, (301) 724-8900 Woods Security
Fort Washington, MD 20744, (301) 292-7174 World Investigative
Services - Branch Ofc
202 Woodlawn Dr, Forest Hill, MD 21050, (410) 893-2674 World
Investigators Network Inc
Baltimore, MD 21201, (410) 477-8879 Covert Camera Systems Inc
Middletown, MD 21769, (301) 371-5575 Wiseguy Private Investigative
Services
1414 Dilston Rd, Silver Spring, MD 20903, (301) 445-6616 G & L
Investigations
Laurel, MD 20707, (301) 776-5569 Chan Detective Agency
8209 Fenton St Ste 7, Silver Spring, MD 20910, (301) 588-0065
Invesco
1806 S Main St, Mount Airy, MD 21771, (410) 795-3952 Elite People
Protective Services Inc
Po Box 22485, Baltimore, MD 21203, (410) 523-8820 Investigative
Cnsltng Grp
6401 Golden Triangle Dr, Greenbelt, MD 20770, (301) 220-3230
Insight Investigations Inc
Arnold, MD 21012, (410) 384-9450 Coastal Investigations
West River, MD 20778, (410) 867-9410 Maryland Investigators and
Security Assoc
1327 Knopp Rd, Jarrettsville, MD 21084, (410) 692-2878 Hall
Investigations
Bel Air, MD 21014, (410) 879-1117 Hall Investigations
2830 Churchville Rd, Churchville, MD 21028, (410) 879-1117 Lh Levy
Investigations Inc
Baltimore, MD 21201, (410) 653-9025 Naeva Geophysics Inc
4707 Benson Ave Ste 104, Halethorpe, MD 21227, (410) 536-7600
Accident Prevention & Investigation Inc
Baltimore, MD 21201, (410) 744-5325 Proctor Investigations
Incorporated
Parkville, MD 21234, (410) 882-9800 Opti Guard
421 Eastern Blvd, Essex, MD 21221, (410) 780-0010 Embrey S
11513 Falls Rd, Potomac, MD 20854, (301) 299-9645 Fallin
Investigative Services
12730 Twinbrook Pkwy Ste 212, Rockville, MD 20852, (301) 468-7010
Fyi Investigations Inc
Ellicott City, MD 21043, (410) 465-6658 Cobra Investigations Inc
Baltimore E, Baltimore, MD 21201, (410) 485-1630 Nsa Research Inc
100 Harbor View Dr, Baltimore, MD 21230, (410) 605-9630 Hamlet
Investigaters Incorporated
Millersville, MD 21108, (410) 987-2101 Fyi Investigations Inc
Baltimore, MD 21201, (410) 752-8885 Xavier Brooks
4212 Fairfax Rd, Baltimore, MD 21216, (443) 919-5800 Buddys
Caterers
Baltimore, MD 21201, (410) 242-6412 Blooming Buds Nursery & Garden
Baltimore, MD 21201, (410) 242-6412 Elite People Protective
Services Inc
MD, Catonsville, MD 21228, (410) 744-0697 Crossroads
Investigations
Leonardtown, MD 20650, (301) 475-6847 William Berry Bail Bonds
108 S Main St Ofc, Bel Air, MD 21014, (410) 420-8544 J R P
Background Checks Inc
7310 Ritchie Hwy Ste 401, Glen Burnie, MD 21061, (410) 590-6959
Spectrum Investigative & Consulting Solutions Inc
Stevensville, MD 21666, (410) 604-6970 Emerald Hills Townhomes
1500 Sunswept Dr, Bel Air, MD 21015, (410) 893-1500 Assets
Protection Inc
Essex, MD 21221, (410) 780-0010 M Edward Heilman
Upper Marlboro, MD 20772, (301) 627-9700 Statewide Bureau of
Investigations
Baltimore, MD 21201, (410) 355-7180 Morey E J
Columbia, MD 21044, (410) 740-3471 Safe and Secure Enterprises Inc
Annapolis, MD 21401, (410) 757-5665 Statewide Bureau of
Investigation
7201 Harford Rd, Parkville, MD 21234, (410) 254-1105 Sherwood
Investigation Agency
8206 Deerbrooke Ct, Pasadena, MD 21122, (410) 439-3900 Vera Quest
Group Inc
3701 Coastal Hwy, Ocean City, MD 21842, (410) 520-0100 Delmarva
Investigations
Salisbury, MD 21801, (410) 677-3463 Vital Information Services
5949 Sunset Ave, Gwynn Oak, MD 21207, (410) 744-2221 Stansbury
Investigative Services Inc
3337 E Joppa Rd, Parkville, MD 21234, (410) 882-2641 Randisi &
Associates Inc
806 Chestnut Glen Garth, Towson, MD 21204, (410) 494-0232 Americas
Energy Savers
6915 Golden Ring Rd, Rosedale, MD 21237, (410) 665-0800 High Tower
Investigative Group Inc
5305 Night Roost Ct, Columbia, MD 21044, (410) 992-4796 C C I
Services Inc
681 Main St, Laurel, MD 20707, (301) 604-9478 Properties Llc
Antietam
10 Brightwood Cir, Hagerstown, MD 21740, (240) 420-6900 R Scott
Wills Inc
10716 Lakespring Way, Cockeysville, MD 21030, (410) 666-5420 A & A
Alcohol Education
Dundalk, MD 21222, (410) 288-4855 Aes Building and Home
Improvement
Parkville, MD 21234, (410) 665-0800 Widenhouse & Associates
Edgewood, MD 21040, (410) 612-1300 Sovero & Associates T A
707 Empire Towers Bldg, Glen Burnie, MD 21061, (410) 590-6959 AAA
Surveillance
Severna Park, MD 21146, (410) 647-0544 Quickpace Process Service
Pikesville, MD 21208, (410) 653-9025 Infidelity Testers
106 W 25th St, Baltimore, MD 21218, (410) 889-1007 Gresham Medical
Services
106 W 25th St, Baltimore, MD 21218, (410) 889-1007 Osh Operative
Security Agency - Main Ofc
3014 Ferndale Ave, Gwynn Oak, MD 21207, (410) 448-2578 Prestige
Investigative Services
Pikesville, MD 21208, (410) 356-7566 Cotton Volpe Protective
Services Inc
Fallston, MD 21047, (410) 557-7008 Evergreen Security Patrol
16 N Hays St, Bel Air, MD 21014, (410) 638-9740 Special Operations
Group
Glen Burnie, MD 21061, (410) 760-9809 Nai Nic Augustus
Investigators
7134 Ducketts Ln, Elkridge, MD 21075, (410) 796-0808 Tabeling
Detective Agency
6308 Harford Rd, Baltimore, MD 21214, (410) 444-8731 Trump
Investment Counsel Inc
101 E Chesapeake Ave, Towson, MD 21286, (410) 823-1300 Iwg
Protection Agency
Baltimore, MD 21201, (410) 837-5544 Sfb Financial Services Inc
Towson, MD 21204, (410) 339-7171 Eagle Detective Agency
Baltimore, MD 21201, (410) 538-7100 Flgshp Invstgtng Inc
Columbia, MD 21044, (410) 720-0977 Evergreen Security Inc
Edgewood, MD 21040, (410) 612-1300 Chesapeake Group
Upper Marlboro, MD 20772, (301) 574-0500 Chesapeake Services
202 Anchor Ln, Chester, MD 21619, (410) 643-3731 Checkmate
Investigative Services Inc
10840 Little Patuxent Pkwy, Ellicott City, MD 21043, (410) 720-6110 Checkmate Investigative Services Inc
9421 Farewell Rd, Columbia, MD 21045, (301) 596-7173 Chesapeake
Polygraph Services
Towson, MD 21204, (410) 296-1885 World Investigative Services
Baltimore, MD 21201, (410) 682-5563 Cobra Investigations
Dundalk, MD 21222, (410) 288-4855 Cochran & Associates
Fallston, MD 21047, (410) 877-7950 Colbert Matz Rosenfelt
Investigative Engineers
2835 Smith Ave Ste G, Baltimore, MD 21209, (410) 653-4094 Cmcb
Private Investigations & Security Services
Fork, MD 21051, (410) 515-3514 Collision Graphics
10716 Lakespring Way, Cockeysville, MD 21030, (410) 666-5420
Investigative Services
Severna Park, MD 21146, (410) 544-7147 Commercial Index Bureau Inc
5205 East Dr Ste O, Halethorpe, MD 21227, (410) 242-8150 Concorde
Investigations Inc
7904 7 Mile Ln, Pikesville, MD 21208, (410) 602-1675 Confidential
Services
Baltimore, MD 21201, (410) 576-0481 Comprehensive Investigations
Lutherville Timonium, MD 21093, (410) 252-6511 Corporated
International Business Centers
International Finance Centers, Towson, MD 21204, (410) 665-0800
Corporate Security Services
Bel Air, MD 21014, (410) 836-5926 Cops Inc
111 N Potomac St, Hagerstown, MD 21740, (301) 791-7039 Counter
Technology Inc
4733 Bethesda Ave Ste 200, Bethesda, MD 20814, (301) 907-0127
Craig Victor
Waldorf, MD 20602, (301) 843-1371 Crime Solvers of Calvert County
Prince Frederick, MD 20678, (410) 535-2880 Crime Prevention
Network Inc
Salisbury, MD 21801, (410) 341-0933 Employment Background
Investigation
20 New Plant Ct, Owings Mills, MD 21117, (410) 486-0730 Employment
Background Investigations
Pikesville, MD 21208, (410) 486-7585 Employment Background
Investigations
Pikesville, MD 21208, (410) 486-0730 Excel Associates Inc
8108 Harford Rd, Parkville, MD 21234, (410) 882-0378 Executive
Investigation Bureau Inc
7119 Harford Rd, Parkville, MD 21234, (410) 882-9292 Ever Green
Security Inc
MD, Fork, MD 21051, (410) 893-2228 Evergreen Security &
Investigations
900 S Main St Bldg A, Bel Air, MD 21014, (410) 893-2228 Fallin
Investagtive Services
702 E Gude Dr, Rockville, MD 20850, (301) 279-7726 Facticon
1818 Pot Spring Rd Ste 208, Lutherville Timonium, MD 21093, (410)
560-6168 Fast Track Process
7941 Bennett Branch Rd, Mount Airy, MD 21771, (301) 831-7747 Fox
Investigations Inc
Waldorf, MD 20602, (301) 843-8730 Frederick Detective Agency
321 W Patrick St, Frederick, MD 21701, (301) 694-5392 Fischer
Associates International Inc
Crofton, MD 21114, (410) 721-8701 Flagship Security
8970 State Route 108, Columbia, MD 21045, (410) 720-0977 Hewett &
Associates
Keedysville, MD 21756, (301) 432-5009 His Associates
New Market, MD 21774, (301) 607-6062 Iep Inc
Baltimore Metro, Bel Air, MD 21014, (410) 838-9515 Insurance
Investigation Inc
313 Clear Ridge Rd, Union Bridge, MD 21791, (410) 775-1800
Intelagents Llc
Annapolis, MD 21401, (410) 990-9092 Intelagents Llc
210 Pier 1 Rd Ste 204, Stevensville, MD 21666, (410) 604-1709
Intercept Investigations
Pikesville, MD 21208, (410) 356-3939 International Claims
Specialists
Baltimore, MD 21201, (410) 444-8021 Internal Affairs
Corporate-Privte Scrty & Invstgtn
Cumberland, MD 21502, (301) 724-8900 International Executive
Protection
Bel Air, MD 21014, (410) 879-9665 Ironside Investigations
Frostburg, MD 21532, (301) 687-0500 I Port Systems
Baltimore, MD 21201, (410) 889-1423 J Brightwell
320 E Towsontown Blvd, Towson, MD 21286, (410) 823-6024 J Kennedy
Investigative Services
Randallstown, MD 21133, (410) 655-4400 Associated Investigators
Inc
Md, Capitol Heights, MD 20743, (301) 925-6929 Atlantic Security
Professionals Llc
702 E Gude Dr Unit C, Rockville, MD 20850, (301) 279-7726 Atlantic
Coast Investigators
811 Long Cove Rd, Glen Burnie, MD 21060, (410) 255-6848 Atlas
Investigations Inc
Baltimore, MD 21201, (410) 687-9556 Athey & Associates Inc
Columbia, MD 21044, (410) 531-7550 Atlas International Security
Inc
6072 Central Ave, Capitol Heights, MD 20743, (301) 324-0060
Baltimore Security Systems Inc
809 Frederick Rd Ste 2, Catonsville, MD 21228, (410) 788-7800
Barnhart L E Investigations
Hagerstown, MD 21740, (301) 791-6211 B & B Security Consultants
Inc
2300 Shorefield Rd, Silver Spring, MD 20902, (301) 962-4948 Bear
Paw Investigation
18321 Woodside Dr, Hagerstown, MD 21740, (301) 791-5332 Beltrante
& Associates
Md, Bethesda, MD 20814, (301) 654-0200 Bernard Price & Associates
Bowie, MD 20716, (301) 577-1510 I A Inc
Severna Park, MD 21146, (410) 544-2065 Hyden & Associates
Elkton, MD 21921, (410) 620-1701 Kroll Background America Inc
4312 Black Rock Rd, Hampstead, MD 21074, (410) 239-0415 Bradley
Investigative Group
8022 Mckenstry Dr, Laurel, MD 20723, (301) 490-9082 Cablecats
1110 Bonifant St, Silver Spring, MD 20910, (301) 587-3111 Capitol
Investigations Unlimited Inc
Kensington, MD 20895, (301) 493-9374 Central 9 Investigations
Rockville, MD 20850, (301) 309-1244 Castle Security Group Inc
809 Frederick Rd Ste 2, Catonsville, MD 21228, (410) 788-7800
Cummings Investigative Services Inc
Annapolis, MD 21401, (410) 956-2077 Data Technology Security &
Investigation
Baltimore, MD 21201, (410) 944-3200 Das Security Patrol Lic &
Private Investigations
1717 Turkey Point Rd, North East, MD 21901, (410) 287-7019 Davis
Investigative Services
Waldorf, MD 20602, (301) 843-7288 Diplomatic Security Consultants
Westminster, MD 21157, (410) 346-7880 Detective Agency the
7941 Bennett Branch Rd, Mount Airy, MD 21771, (301) 831-7747 D
Hodgson Associates Inc
3000 Chestnut Ave Ste 100c, Baltimore, MD 21211, (410) 366-1286 D
& L Insulation
1234 Delmar, Delmar, MD 21875, (410) 896-4178 Diversified
Investigations Inc
3109 Northmont Rd, Windsor Mill, MD 21244, (410) 496-7200
Donaldson Investigations
Dc, Kensington, MD 20895, (301) 231-7745 Donaldson Investigations
Ltd
Annapolis, MD 21401, (410) 956-0019 Donaldson Investigations Ltd
Arnold, MD 21012, (410) 269-5889 Donaldson Investigations Ltd
Baltimore, MD 21212, (410) 323-0308 Donaldson Investigations Ltd
Catonsville, MD 21228, (410) 747-4812 Donaldson Investigations Ltd
Columbia, MD 21044, (410) 997-0519 Donaldson Investigations Ltd
Crofton, MD 21114, (410) 721-6366 Donaldson Investigations Ltd
Dundalk, MD 21222, (410) 282-8219 Donaldson Investigations Ltd
Essex, MD 21221, (410) 687-1811 Donaldson Investigations Ltd
Gaithersburg, MD 20877, (301) 948-3068 Donaldson Investigations
Ltd
Glen Burnie, MD 21061, (410) 761-0112 Donaldson Investigations Ltd
Hyattsville, MD 20781, (301) 779-4628 Donaldson Investigations Ltd
Owings Mills, MD 21117, (410) 363-9280 Donaldson Investigations
Ltd
Oxon Hill, MD 20745, (301) 839-9943 Donaldson Investigations Ltd
Prince Frederick, MD 20678, (410) 535-9290 Donaldson
Investigations Ltd
Rockville, MD 20850, (301) 340-9486 Donaldson Investigations Ltd
Severna Park, MD 21146, (410) 544-7147 Donaldson Investigations
Ltd
Silver Spring, MD 20901, (301) 441-3768 Donaldson Investigations
Ltd
Towson, MD 21204, (410) 321-1520 Donaldson Investigations Ltd
Upper Marlboro, MD 20772, (301) 627-7738 Dominion Security &
Detective Agency
5705 Old Silver Hill Rd, District Heights, MD 20747, (301) 735-6000 Dynamite Security & Investigations Inc
5801 Riverdale Rd Ste 101, Riverdale, MD 20737, (301) 779-4629
East Coast Investigation
Edgewood, MD 21040, (410) 679-7033 Ebi Inc
Pikesville, MD 21208, (410) 486-0730 Eagle Security Agency
Rockville, MD 20850, (301) 948-7770 Eagle Security & Detective
Agency
18502 Office Park Dr, Montgomery Village, MD 20886, (301) 948-7770 Eis Inc
6001 Montrose Rd Ste 702, Rockville, MD 20852, (301) 881-3232
Futrek Corporation
1110 Bonifant St, Silver Spring, MD 20910, (301) 587-3111 Gartland
& Associates Inc
La Plata, MD 20646, (301) 609-8478 Giannetti & Associates
12934 Asbury Dr, Fort Washington, MD 20744, (301) 203-0151 Global
Investigative Services
Silver Spring, MD 20901, (301) 589-0088 Graham Security Services
Inc
7223 Baltimre Annpls Blvd, Glen Burnie, MD 21061, (410) 768-4103
Greater Baltimore Board of Realtors
1306 Bellona Ave, Lutherville Timonium, MD 21093, (410) 337-7200
Gxs Investigations and Forensic Research
Bowie, MD 20716, (301) 249-6857 Hall Investigations
North East, MD 21901, (410) 392-9737 Harford Bureau of
Investigation & Process Ltd
125 N Main St, Bel Air, MD 21014, (410) 893-4610 Haole & Kanakia &
Associates
Lanham, MD 20706, (301) 429-1491 Harford County Crime Solvers
Fallston, MD 21047, (410) 877-7867 Harrison R G & Associates Inc
Stevensville, MD 21666, (410) 643-8717 Harford Bureau of
Investigation & Process Ltd
Fork, MD 21051, (410) 893-4610 John Friel & Associates
12302 Winding Ln, Bowie, MD 20715, (301) 262-6175 Jsh Professional
Services
404 Lake Ter, Lusby, MD 20657, (410) 394-0735 J V Grimes
Investigations
Bowie, MD 20715, (301) 218-9025 Keller Denise Lichliter
11100 Mapleville Rd, Hagerstown, MD 21742, (301) 797-6967 Kissel
Investigations
Dundalk, MD 21222, (410) 285-7510 William Berry & Associates
140 E Main St, Elkton, MD 21921, (410) 392-0310 Lewis J Neuwelt
Investigations
9175 Guilford Rd Ste 212, Columbia, MD 21046, (301) 604-5135 Lloyd
T Clark
8107 Carroll Ln, Silver Spring, MD 20910, (301) 589-0758 Males
Investigative Services Inc
Severna Park, MD 21146, (410) 384-9335 Manning Gregory Assocs
1061 Turkey Point Rd, Edgewater, MD 21037, (410) 556-6379 Maryland
Institute of Criminal Justice
8424 Veterans Hwy Ste 3, Millersville, MD 21108, (410) 987-8181
Maryland Claims Investigations Inc
Baltimore, MD 21201, (410) 256-6161 May T S & Associates
150 W Patrick St, Frederick, MD 21701, (301) 695-2662 Maxwell
Private Investigations Inc
Severna Park, MD 21146, (410) 647-0544 Mathis Detective Agency La
Westminster
2750 Murkle Rd, Westminster, MD 21158, (410) 848-2505 Master
Security Inc
10944 Beaver Dam Rd Ste C, Cockeysville, MD 21030, (410) 584-8789
Tim May Investigations
Frederick, MD 21701, (301) 695-2662 McCook Investigations
White Plains, MD 20695, (301) 753-1731 On Track Investigations Inc
6 N Main St, Bel Air, MD 21014, (410) 420-8544 Osh Operative
Security Agency - Main Ofc
3014 Ferndale Ave, Gwynn Oak, MD 21207, (410) 448-2578 Out of the
Area
707 Buoy Ct, Annapolis, MD 21401, (410) 349-0154 Pdq Private
Investigations & Processors Inc
625 Nj Av, Essex, MD 21221, (410) 574-5168 Pdq Private
Investigator
429 Eastern Blvd, Essex, MD 21221, (410) 574-5168 Patuxent
Associates Inc
Dunkirk, MD 20754, (410) 257-0654 Peninsula Professional Services
Inc
Ocean City, MD 21842, (410) 641-1300 Perfecting Praise Chapel
2203 Maryland Ave, Baltimore, MD 21218, (410) 235-2900 Polygraph
Examinations by R L Sheldon
Baltimore, MD 21201, (410) 879-6657 Potomac Private Investigations
Rockville, MD 20850, (301) 231-9612 Process Service Unlimited
7941 Bennett Branch Rd, Mount Airy, MD 21771, (301) 831-7747
Pro-Alert Security Inc
18 N Federal St, Damascus, MD 20872, (301) 607-6540 Pre-Employment
Research Associates Inc
2400 Mt Ventus Rd Numbr 1, Manchester, MD 21102, (410) 239-6767
Prime Investigations Inc
Upper Marlboro, MD 20772, (301) 627-1011 Prince Investigative
Services
Hampton Mall, Capitol Heights, MD 20743, (301) 336-0700 Prince
Security Services
8701 Georgia Ave Ste 608, Silver Spring, MD 20901, (301) 563-3333
Proactive Investigations
Gaithersburg, MD 20877, (301) 515-0212 Professional Investigations
Riverdale, MD 20737, (301) 277-9838 Professional Investigations of
Maryland Inc
Waldorf, MD 20602, (301) 843-3131 Pub Security & Investigations
Inc
803 Streambank Ct, Towson, MD 21286, (410) 321-1771 Quality
Security Solutions Inc
9975 Old Mill Rd, Ellicott City, MD 21042, (410) 313-9076 R B T S
Ltd
1300 Mercantile Ln, Upper Marlboro, MD 20774, (301) 583-1271
Resource Reporting Limited
7941 Bennett Branch Rd, Mount Airy, MD 21771, (301) 831-7747
Retail Shoppers Network Inc
14440 Cherry Lane Ct, Laurel, MD 20707, (301) 317-9755 Robinson
Detective Agency
111 E 25th St, Baltimore, MD 21218, (410) 235-2900 Robert Lankford
Investigations
Princess Anne, MD 21853, (410) 651-4497 Roche John Investigations
Baltimore, MD 21201, (410) 893-2659 Schmidlin Tracer Service
Hyattsville, MD 20781, (301) 927-0525 Scottys Investigations Inc
Hagerstown, MD 21740, (301) 393-4783 Schroeder & Associates
Investigative Services
Mount Airy, MD 21771, (410) 875-9510 Schwartz Fire Specialist
6700 Woodbine Rd, Sykesville, MD 21784, (410) 795-4313 Scottys
Investigations Inc
515 Regina Ave, Cumberland, MD 21502, (301) 777-0232 Search &
Locate Investigations
Severna Park, MD 21146, (410) 269-5622 Search & Locate
Investigations
Silver Spring, MD 20906, (301) 924-2434 Search Your Nannys Past
Baltimore, MD 21201, (410) 269-5622 Security Administration
Services Inc
421 Eastern Blvd, Essex, MD 21221, (410) 780-0010 Search Your
Nannys Past Background Investigations
Rockville, MD 20850, (301) 656-5622 Sentry One Services Inc
Church Hill, MD 21623, (410) 556-6565 Sharma Detective & Security
Agency
Germantown, MD 20874, (301) 540-6100 S & H Investigators
1312 Taylors Island Rd, Cambridge, MD 21613, (410) 228-2020 Shore
Investigations
30902 Ward Rd, Salisbury, MD 21804, (410) 548-2170 SLEUTH
PO BOX 13, Poolesville, MD 20837, (301) 605-3931 Allegany
Investigations
Cumberland, MD 21502, (301) 724-3878 Paragon Investigations
Fork, MD 21051, (410) 592-3327 Talon Security Agency
Southern Md, Hughesville, MD 20637, (301) 274-9225 Expert Security
607 S Camp Meade Rd, Linthicum Heights, MD 21090, (410) 796-0871
Fyi Investigations Inc
Annapolis, MD 21401, (410) 268-4680 Haole & Kanaka and Associates
Glen Burnie, MD 21061, (410) 761-6700 Investigative Resouce Group
Llc
Po Box 865, Funkstown, MD 21734, (240) 420-6900 AAA Surveillance
Severn, MD 21144, (410) 519-6539 Donaldson Investigations Ltd
Easton, MD 21601, (410) 763-7166 Investigative Services
Easton, MD 21601, (410) 763-7166 Inquiries Inc
129 N West St, Easton, MD 21601, (410) 819-3711 Proactive Special
Security Services
Gaithersburg, MD 20877, (301) 515-0212 Donaldson Investigations
Centreville, MD 21617, (443) 262-9299 Investigative Services
Centreville, MD 21617, (443) 262-9299 Cotton & Krahling Special
Services Inc
7125 Harford Rd, Parkville, MD 21234, (410) 254-8600 Calvin D Hall
Elkton, MD 21921, (410) 392-9737 Calvin D Hall
Bel Air, MD 21014, (410) 879-1117 Corporated International
Business Center
International Resources Centers, Towson, MD 21204, (410) 665-0800
Investigative Services
Dc, Kensington, MD 20895, (301) 231-7745 Marts & Associates
Investigative Services
Annapolis, MD 21401, (443) 336-2027 Investigative Services
Crofton, MD 21114, (410) 721-6366 Eagle Detective Agency
15 Paula Pl Apt 1c, Rosedale, MD 21237, (410) 686-1991 Prudential
Financial
15209 Frederick Rd Ste 204, Rockville, MD 20850, (301) 279-6700
Lyons & Wolivar Investigations
Potomac, MD 20854, (301) 299-7944 Investigative Services
Leonardtown, MD 20650, (301) 475-7056 Universal Mortgage Company
Llc
Germantown, MD 20874, (301) 540-6100 Corporated International
Business Centers
International Training Centers, Parkville, MD 21234, (410) 665-0800 Investigative Services
Prince Frederick, MD 20678, (410) 535-9290 Investigative Services
Essex, MD 21221, (410) 687-1811 Nai Investigators
Elkridge, MD 21075, (410) 796-0808 Shetty Y K MD
8118 Philadelphia Rd, Rosedale, MD 21237, (410) 866-2222 MacGibbon
John B MD
8118 Philadelphia Rd, Rosedale, MD 21237, (410) 866-2222 William
Berry Bail Bonds
140 E Main St, Elkton, MD 21921, (410) 420-8544 Mid Atlantic
Investigative Services
3490 Woodholm Dr, Hampstead, MD 21074, (410) 374-8380 Chesapeake
Plygrph & Investigative Services
9 Lagan Ct, Nottingham, MD 21236, (410) 256-2818 Champion Private
Detective Agency
Glen Burnie, MD 21061, (443) 889-1656 Champion Security Guard
Service
Glen Burnie, MD 21061, (443) 889-1656 Aesa Builder & Home
Improvement
7305 Belair Rd, Baltimore, MD 21206, (410) 665-0800 Chesapeake
Investigative Services
Trappe, MD 21673, (410) 476-4775 Divorce Work Specialists
Easton, MD 21601, (410) 763-7166 Divorce Work Specialists
Centreville, MD 21617, (443) 262-9299 L E Barnhart Security &
Investigation
11706 White Hall Rd, Smithsburg, MD 21783, (301) 791-6211 Amsecs
14907 Habersham Cir, Silver Spring, MD 20906, (301) 438-0500
Search & Locate Unlimited Investigative Services
11140 Rockville Pike, Rockville, MD 20852, (301) 924-2434
Associated Investigators Inc
9200 Basil Ct, Hyattsville, MD 20785, (301) 925-6929 Privateers
Detective Agency
Elkton, MD 21921, (410) 392-9737 Intelagents
2811 Cox Neck Rd, Chester, MD 21619, (410) 604-1708 Michael S Race
Investigations
14019 Bauer Dr, Rockville, MD 20853, (516) 409-0404 L I S
701 Washington Blvd S, Laurel, MD 20707, (301) 490-1778 Direct
Investigative Services Inc
Owings Mills, MD 21117, (410) 363-4156 Craig Investigations Inc
220 Maple Ave, Rockville, MD 20850, (212) 268-3611 Widenhouse &
Associates
900 S Main St Bldg A, Bel Air, MD 21014, (410) 893-2228 Talon
Security Agency
Mechanicsville, MD 20659, (301) 884-2237 Talon Detective Agency
29190 Three Notch Rd, Mechanicsville, MD 20659, (301) 884-2237 Sis
Investigators Inc
Mechanicsville, MD 20659, (301) 290-0525 T & M Investigations
11400 Urieville Ln, Worton, MD 21678, (410) 348-2333 Harford
County Crime Solvers
2220 Ady Rd, Bel Air, MD 21014, (410) 877-7867 Flagship
Elkridge, MD 21075, (410) 712-5003 Flagship
Ellicott City, MD 21043, (410) 720-0977 |
