A & D T Alarm & Home Security
Baltimore, MD 21204
Phone: (800) 292-2059
Business Types: Alarm Systems
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A - D - & T Alarm & Home Security
Baltimore, MD 21202
Phone: (800) 201-6420
Business Types: Alarm Systems
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A 1 Security Systems
5 Stridesham Court
Baltimore, MD 21209-5301
Phone: (410) 653-9568
Business Types: Auto Security Services, Automotive Burglar Alarm Systems, Burglar & Alarm Services, Safety & Security Systems & Consultants, Security Alarm Systems, Security Equipment & Supplies
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A D & T Alarm & Security Service
Baltimore, MD 21204
Phone: (800) 200-5182
Business Types: Guard & Patrol Services
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A-1 Special Response Corporation
Baltimore, MD 21252-0001
Phone: (410) 494-1900
Business Types: Guard & Patrol Services
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AAA Home Security
Baltimore, MD 21201
Phone: (410) 385-0777
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Accident Prevention & Investigation Inc
Baltimore, MD 21201
Phone: (410) 744-5325
Business Types: Quality Control & Safety Consultants, Security Investigative Services
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Admiral Security Services
22 Light Street Suite 310
Baltimore, MD 21202-1073
Phone: (410) 576-0601
Business Types: Guard & Patrol Services
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Adt Authorized Dealer Discount Sales
5207 Bosworth Avenue
Baltimore, MD 21207-6861
Phone: (410) 448-4238
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Security Alarm Systems, Security Equipment & Supplies, Security Investigative Services
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Adt Authorized Dealers
4810 Harford Road
Baltimore, MD 21214-2934
Phone: (443) 923-7233
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Adt Security Services Inc
Baltimore, MD 21204
Phone: (410) 366-1660
Business Types: Guard & Patrol Services, Security Alarm Systems, Security Equipment & Supplies
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Advanced Protection Gaurdian
4810 Harford Road
Baltimore, MD 21214-2934
Phone: (410) 444-1870
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Aegis Video Camera Systems Inc
Baltimore, MD 21201
Phone: (410) 592-3570
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Security Alarm Systems, Security Equipment & Supplies, Security Investigative Services
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Affordable Cctv Sales & Installation Inc
1101 South Conkling Street
Baltimore, MD 21224-5209
Phone: (410) 732-5330
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Alarm Pro
Baltimore, MD 21201
Phone: (410) 284-3535
Business Types: Auto Security Services, Automotive Burglar Alarm Systems, Burglar & Alarm Services, Burglar Alarm Systems, Fire Alarm Systems, Security Equipment & Supplies
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Alliance Security
100 North Charles Street Suite Front
Baltimore, MD 21201-3805
Phone: (410) 576-0290
Business Types: Guard & Patrol Services
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Allied Investigating Agency Inc
Baltimore, MD 21201
Phone: (410) 344-1007
Business Types: Security Investigative Services
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American Burglar & Fire Alarm
Baltimore, MD 21201
Phone: (410) 636-2000
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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American Home Alarm Co Inc
Baltimore, MD 21201
Phone: (410) 893-2300
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Andersen & Associates
211 Saint Paul Street
Baltimore, MD 21202-2001
Phone: (410) 752-3927
Business Types: Security Investigative Services
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Armored Car Services Inc
7675 Canton Center Drive
Baltimore, MD 21224-2028
Phone: (410) 285-7000
Business Types: Armored Car Services, Auto Services
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Atlas Investigations Inc
Baltimore, MD 21201
Phone: (410) 687-9556
Business Types: Security Investigative Services
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Avent Systems Inc
2652 West Patapsco Avenue
Baltimore, MD 21230-2729
Phone: (410) 525-2690
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Baltimore Alarm & Security Inc
5314 Reisterstown Road
Baltimore, MD 21215-4498
Phone: (410) 358-8600
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Communications Equipment Sales, Fire Alarm Systems, Security Equipment & Supplies, Television Systems Closed Circuit Telecasting
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Battaglia Security & Investigatve Services Ltd
PO Box 12151
Baltimore, MD 21281-2151
Phone: (410) 732-7051
Business Types: Guard & Patrol Services
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Blackhawk Inc
Baltimore, MD 21201
Phone: (410) 354-4004
Business Types: Guard & Patrol Services, Security Guard & Patrol Services Commercial & Industrial
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Brink's Home Security Inc
9411 Philadelphia Road
Baltimore, MD 21237-4168
Phone: (800) 423-8682
Business Types: Alarm Systems, Security Alarm Systems, Security Equipment & Supplies
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Brinks Home Security Inc
Baltimore, MD 21204
Phone: (800) 227-4657
Business Types: Alarm Systems, Security Alarm Systems, Security Equipment & Supplies
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C I S Security Systems Inc
4643 Benson Avenue
Baltimore, MD 21227-1410
Phone: (410) 247-9517
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Center For Bio Security
621 East Pratt Street Suite 210
Baltimore, MD 21202-3143
Phone: (410) 625-8871
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Chesapeake Polygraph & Investigative Services, Former Fbi Agent Examiner
Baltimore, MD 21201
Phone: (410) 256-2818
Business Types: Polygraph & Lie Detection Services
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Chesapkeake Security Alarms
3309 Benson Avenue Suite A
Baltimore, MD 21227-1063
Phone: (410) 644-0006
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Cignal America Corporation
2530 North Charles Street
Baltimore, MD 21218-4640
Phone: (410) 235-5577
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Guard & Patrol Services, Security Alarm Systems, Security Equipment & Supplies
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Close Eye Services Investigations
Baltimore, MD 21201
Phone: (410) 534-0399
Business Types: Security Investigative Services
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Cotton & Krahling Special Services Inc, Call For Consultation
7125 Harford Road Suite 1
Baltimore, MD 21234-7725
Phone: (410) 254-8600
Business Types: Guard & Patrol Services, Polygraph & Lie Detection Services, Security Investigative Services
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Crown Security System
2530 North Charles Street Suite 200
Baltimore, MD 21218-4642
Phone: (410) 235-5577
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Guard & Patrol Services, Security Alarm Systems, Security Equipment & Supplies
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Dantech
15 West Chesapeake Avenue
Baltimore, MD 21204-4802
Phone: (410) 583-8324
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Donaldson Investigations Ltd
Baltimore, MD 21201
Phone: (410) 323-0308
Business Types: Security Investigative Services
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Dunbar Alarm Services
7675 Canton Center Drive
Baltimore, MD 21224-2028
Phone: (410) 282-6000
Business Types: Armored Car Services
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Dunbar Alarm Systems
7675 Canton Center Drive
Baltimore, MD 21224-2028
Phone: (410) 282-0954
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Dunbar Armored Inc
7675 Canton Center Drive
Baltimore, MD 21224-2028
Phone: (800) 888-2129
Business Types: Armored Car Services
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Dunbar Guard Services
7675 Canton Center Drive
Baltimore, MD 21224-2028
Phone: (410) 285-8400
Business Types: Guard & Patrol Services
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Entry Control Systems Inc
4145 Hayward Avenue
Baltimore, MD 21215-4304
Phone: (410) 466-0738
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Executive Investigation Bureau Inc
7119 Harford Road Suite A
Baltimore, MD 21234-7720
Phone: (410) 444-9223
Business Types: Security Investigative Services
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Executive Security Bureau Inc
825 Bonaparte Avenue
Baltimore, MD 21218-6220
Phone: (410) 585-6902
Business Types: Guard & Patrol Services
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Fireline Corporation
4506 Hollins Ferry Road
Baltimore, MD 21227-4671
Phone: (410) 272-4748
Business Types: Fire Protection Services, Lighting Equipment & Fixtures
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First Alert Monitoring & Service
Baltimore, MD 21201
Phone: (410) 893-2300
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Security Alarm Systems, Security Equipment & Supplies
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Frontline Security Consultants Llc
5922 Marluth Avenue
Baltimore, MD 21206-2718
Phone: (410) 485-1263
Business Types: Safety & Security Systems & Consultants, Security Alarm Systems, Security Equipment & Supplies
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General Alarm Co
900 North Lehigh Street Suite 1
Baltimore, MD 21205-3019
Phone: (410) 522-7778
Business Types: Alarm Services
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General Alarm Company
900 North Lehigh Street Suite 1
Baltimore, MD 21205-3019
Phone: (410) 522-7676
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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General Alarm Company Sales & Service
900 North Lehigh Street Suite 2
Baltimore, MD 21205-3004
Phone: (410) 522-7676
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Genuit Thomas
2401 West Belvedere Avenue
Baltimore, MD 21215-5216
Phone: (410) 601-0600
Business Types: Physicians & Surgeons, Security Alarm Systems, Security Equipment & Supplies
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Genuit Thomas MD
Baltimore, MD 21215
Phone: (410) 601-0600
Business Types: Physicians & Surgeons, Security Alarm Systems, Security Equipment & Supplies
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Global Traders Direct
Baltimore, MD 21229
Phone: (410) 737-1430
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Cash Registers & Supplies
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Grinell Fire Protection Systems Co
Baltimore, MD 21204
Phone: (800) 388-1758
Business Types: Fire Protection Services
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Guardian Protection Services
Baltimore, MD 21204
Phone: (800) 776-8328
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Fire Alarm Systems, Security Investigative Services
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Guardian Security Systems
330 East 25th Street Suite 2
Baltimore, MD 21218-5359
Phone: (410) 662-7233
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Hechinger's Security Group
Baltimore, MD 21201
Phone: (800) 670-1008
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Fire Alarm Systems, Security Alarm Systems, Security Equipment & Supplies, Television Systems Closed Circuit Telecasting
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Herman Martin B Detctv
Baltimore, MD 21252-0001
Phone: (410) 494-1900
Business Types: Detective Agencies, Guard & Patrol Services
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Home Health Care Escort Service Inc
1042 Patapsco Street
Baltimore, MD 21230-4020
Phone: (410) 727-4292
Business Types: Guard & Patrol Services
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Hsm Electronic Protection Services
6955 Golden Ring Road
Baltimore, MD 21237-3033
Phone: (410) 780-2000
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Information Research Inc
35 North Montford Avenue
Baltimore, MD 21224-1051
Phone: (410) 563-1344
Business Types: Security Investigative Services
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Initial Security
1505 Bloomfield Avenue
Baltimore, MD 21227-1010
Phone: (410) 525-1894
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Inquest Inc
Baltimore, MD 21201
Phone: (410) 665-9196
Business Types: Security Investigative Services
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Internal Intelligence
4707 Benson Avenue
Baltimore, MD 21227-1425
Phone: (410) 644-4031
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Iwg Protection Agency
Baltimore, MD 21201
Phone: (410) 837-5544
Business Types: Guard & Patrol Services, Security Investigative Services
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Keystone Ship Berthing Inc
2000 South Clinton Street
Baltimore, MD 21224-5826
Phone: (410) 327-1609
Business Types: Freight Forwarding, Guard & Patrol Services
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King Security
Baltimore, MD 21201
Phone: (410) 383-2404
Business Types: Guard & Patrol Services
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L P Media
3603 Fairview Avenue
Baltimore, MD 21216-1329
Phone: (410) 466-2250
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Lanier Electronics Group Inc
Baltimore, MD 21201
Phone: (410) 685-9333
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Legal Services Associates Inc
407 West Franklin Street
Baltimore, MD 21201-1810
Phone: (410) 225-0991
Business Types: Security Investigative Services, Societies & Foundation Associations
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London Technologies Llc
1100 Wicomico Street Suite 300
Baltimore, MD 21230-2045
Phone: (410) 230-0150
Business Types: Secretarial & Court Reporting Services, Security Alarm Systems, Security Equipment & Supplies
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Loomis
6170 Frankford Avenue
Baltimore, MD 21206-4809
Phone: (410) 325-8800
Business Types: Armored Car Services
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Marshall Enterprises Security Systems
2809 Halcyon Avenue
Baltimore, MD 21214-2536
Phone: (410) 566-0235
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Maryland Burglar Alarm Co Inc
Baltimore, MD 21201
Phone: (410) 823-6900
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Security Alarm Systems, Security Equipment & Supplies
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Maryland Burglar Alarm Co Inc
629 Eastern Boulevard
Baltimore, MD 21221-4908
Phone: (410) 780-3100
Business Types: Burglar & Alarm Services - Commercial And Industrial, Burglar Alarm Systems, Finger Printing Equipment & Supplies, Finger Printing Services & Identification Bureaus, Fingerprinting Services, Misc Photographers
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Maryland Fence Mfg Co Inc
7318 Philadelphia Road
Baltimore, MD 21237-2524
Phone: (410) 866-3200
Business Types: Fence Supplies & Materials, Kennels Equipment & Supplies, Security Alarm Systems, Security Equipment & Supplies, Swimming Pool Covers & Enclosures
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McJ Improvements Llc
1261 West Pratt Street
Baltimore, MD 21223-2666
Phone: (410) 727-4878
Business Types: Builders & Contractors 1 Of 2, Guard & Patrol Services
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Metro One Loss Prevention
111 North Charles Street
Baltimore, MD 21201-3803
Phone: (410) 230-0099
Business Types: Guard & Patrol Services
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Metro One Loss Prevention Services Group
111 North Charles Street
Baltimore, MD 21201-3803
Phone: (410) 230-0097
Business Types: Guard & Patrol Services, Security Guard & Patrol Services Commercial & Industrial
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Mid Atlantic Protection Agency Llc
6502 McClean Boulevard Suite A1
Baltimore, MD 21214-1065
Phone: (410) 444-6722
Business Types: Guard & Patrol Services
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Mobile Finger Printing Service Inc
1915 Woodbourne Avenue
Baltimore, MD 21239-3639
Phone: (410) 254-9431
Business Types: Finger Printing Equipment & Supplies, Finger Printing Services & Identification Bureaus, Fingerprinting Services
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Nai Nic Augustus Investigators
Baltimore, MD 21201
Phone: (410) 796-0808
Business Types: Security Investigative Services
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National Association of Bunco Investigators Inc
400 East Pratt Street
Baltimore, MD 21202-3116
Phone: (410) 752-8150
Business Types: Business & Professional Associations, Security Investigative Services
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Netversant Solutions Integrated Security Control Systems
900 North Lehigh Street
Baltimore, MD 21205-3047
Phone: (410) 522-3700
Business Types: Burglar & Alarm Systems Manufacturers, Burglar Alarm Systems, Security Alarm Systems, Security Equipment & Supplies
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Off Duty Police Security Services Inc
6314 Kenwood Avenue
Baltimore, MD 21237-2023
Phone: (410) 866-6150
Business Types: Guard & Patrol Services
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Pedestal Gardens Police Sub-Station
325 McMechen Street
Baltimore, MD 21217-3789
Phone: (410) 728-8200
Business Types: Guard & Patrol Services
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Pedestal Gardens Police Sub-Station
1715 East Madison Street
Baltimore, MD 21205
Phone: (410) 728-8200
Business Types: Guard & Patrol Services, Misc Government
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Polygraph Examinations by R L Sheldon, Retired Former Chief Polygraph Examiner
Baltimore, MD 21201
Phone: (410) 592-9000
Business Types: Polygraph & Lie Detection Services
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Protection One
3921 Vero Road Suite B
Baltimore, MD 21227-1564
Phone: (410) 247-3997
Business Types: Burglar & Alarm Services, Burglar & Alarm Services - Commercial And Industrial, Burglar Alarm Systems, Burglar Alarm Systems - Commercial And Industrial, Security Alarm Systems, Security Equipment & Supplies
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Protection One Inc
3921 Vero Road Suite A
Baltimore, MD 21227-1564
Phone: (410) 247-3997
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Protection Plus System O
Baltimore, MD 21201
Phone: (410) 592-9747
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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R & K Communications
410 East 25th Street
Baltimore, MD 21218-5304
Phone: (410) 467-6221
Business Types: Burglar & Alarm Services, Burglar & Alarm Services - Commercial And Industrial, Burglar Alarm Systems, Burglar Alarm Systems - Commercial And Industrial
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Red Star Security and Detective
101 West 22nd Street Suite 301
Baltimore, MD 21218-5650
Phone: (443) 874-4411
Business Types: Guard & Patrol Services
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Regional Security Protection Agency Llc
2300 Garrison Boulevard Suite 120
Baltimore, MD 21216-2308
Phone: (410) 233-7772
Business Types: Security Investigative Services
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S 1 G
505 Park Avenue
Baltimore, MD 21201-4668
Phone: (410) 685-1888
Business Types: Security Investigative Services
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Safeguard Security System
7825 East Baltimore Street
Baltimore, MD 21224-2009
Phone: (410) 284-2042
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Search Your Nanny's Past
Baltimore, MD 21201
Phone: (410) 269-5622
Business Types: Process Serving Services, Security Investigative Services
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Secur Data Systems
19 West Lee Street
Baltimore, MD 21201-2455
Phone: (410) 244-0085
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Secure Care Systems
411 Westgate Road
Baltimore, MD 21229-2342
Phone: (410) 566-1640
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Security Alarm Systems, Security Equipment & Supplies
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Securitas Security Service
7004 Security Boulevard
Baltimore, MD 21244-2557
Phone: (410) 597-8622
Business Types: Guard & Patrol Services
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Security Dogs
615 South Addison Street
Baltimore, MD 21223
Phone: (410) 947-4748
Business Types: Guard & Patrol Services
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Security Watch Corporation
16 South Calvert Street
Baltimore, MD 21202-1301
Phone: (410) 659-1820
Business Types: Guard & Patrol Services, Security Guard & Patrol Services Commercial & Industrial
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Serious Security Systems Inc
3411 Shelburne Road
Baltimore, MD 21208-5628
Phone: (410) 764-8550
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Sonitrol Security Systems
2631 Sisson Street
Baltimore, MD 21211-3119
Phone: (410) 338-1800
Business Types: Guard & Patrol Services
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Sonitrol Security Systems
2631 Sisson Street
Baltimore, MD 21211-3119
Phone: (410) 338-4020
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Strat Enterprises Inc
7017 Harford Road
Baltimore, MD 21234-7703
Phone: (410) 444-2800
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Strategic Vista USA Inc
3700 Koppers Street Suite 504
Baltimore, MD 21227-1051
Phone: (410) 525-1902
Business Types: Security Alarm Systems, Security Equipment & Supplies
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Superior Protective Services Inc
3705 Bartwood Road
Baltimore, MD 21215-2709
Phone: (410) 358-5911
Business Types: Guard & Patrol Services
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Taylor-Rogers Enterprises
Baltimore, MD 21201
Phone: (410) 325-7484
Business Types: Burglar & Alarm Services, Burglar Alarm Systems
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Tenable Security Inc
4900 Wetheredsville Road Suite 700
Baltimore, MD 21207-6628
Phone: (410) 448-1010
Business Types: Security Alarm Systems, Security Equipment & Supplies, Security Guard & Patrol Services Commercial & Industrial
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The Agency Inc
Baltimore, MD 21201
Phone: (410) 244-0003
Business Types: Security Investigative Services
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Universal Security Technology Group
1010 Hull Street
Baltimore, MD 21230-5313
Phone: (443) 797-0225
Business Types: Safety & Security Systems & Consultants, Security Alarm Systems, Security Equipment & Supplies, Security Investigative Services
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Vacant Property Security Inc
1011 Wilso Drive
Baltimore, MD 21223-3232
Phone: (443) 524-0308
Business Types: Guard & Patrol Services
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Vector Security Inc, Washington
Baltimore, MD 21201
Phone: (800) 688-0150
Business Types: Burglar & Alarm Services, Burglar Alarm Systems, Fire Alarm Systems, Security Alarm Systems, Security Equipment & Supplies, Television Systems Closed Circuit Telecasting
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Vip Security Unlimited Llc
Baltimore, MD 21201
Phone: (410) 327-0550
Business Types: Guard & Patrol Services
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Watkins Security Agency Inc
2901 Druid Park Drive Suite A106
Baltimore, MD 21215-8124
Phone: (410) 523-5080
Business Types: Detective Agencies, Guard & Patrol Services
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Westar Security Services
Baltimore, MD 21204
Phone: (800) 762-7820
Business Types: Guard & Patrol Services, Home Security Services, Security Alarm Systems
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Whelan Sfi
Baltimore, MD 21201
Phone: (410) 332-4432
Business Types: Guard & Patrol Services, Secretarial & Court Reporting Services
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