Member companies are ordered by zip code.

Company Name Street Suite City ST Zip Country Phone Fax Website
Stanley Convergent Security Solutions Inc - Annapolis Junctn 8955 Henkels Ln Ste 508 Annapolis Junction MD 20701   (301) 725-4590 (301) 725-6187    
ADT Security Services Inc - Lanham MD 4485 Nicole Dr   Lanham MD 20706   (800) 238-2727   www.adt.com  
Brink's Home Security - Lanham MD 4200 Forbes Blvd Ste 102 Lanham MD 20706   (301) 918-1950   www.brinks.com  
Pro Tech Systems of MD Inc 9590 Lynn Buff Ct Ste 12A   Laurel MD 20723   (301) 490-6460 (301) 490-7120    
Kemco Alarm Company Inc 8033 Penn Randall Pl Ste D Upper Marlboro MD 20772   (301) 735-9327 (301) 735-0052    
CV Security Inc 16000 Trade Zone Ave Ste 401   Upper Marlboro MD 20774   (301) 249-0600 (301) 249-0693 www.cvsecurity.com  
Vintage Security LLC 8220 Stayton Dr Ste A Jessup MD 20794   (410) 290-1800      
Datawatch Systems Inc 4401 East West Hwy Ste 500   Bethesda MD 20814   (301) 654-3282 (301) 654-4162 www.datawatchsystems.com  
Urban Alarm 1 Wisconsin Cir Ste 400   Chevy Chase MD 20815   (202) 265-2700 (877) 350-6120 www.urbanalarm.com  
VisionAlarm & Security Services Inc dba VisionAlarm Inc 12204 Greenridge Dr   Boyds MD 20841   (301) 980-1911   www.visionalarm.com  
Fire Burglary Alarms Inc 12321 Wilkins Ave Ste A   Rockville MD 20852   (301) 231-0555 (301) 231-9378 www.fireburglaryalarms.com  
Tenn Security Inc 11910 Parklawn Dr Ste T Rockville MD 20852   (301) 881-0420 (301) 881-5242    
Sentry Installation Inc First Alert Professional 15940 Derwood Rd   Rockville MD 20855   (301) 670-1008 (301) 670-4759 www.sentryinstallation.com  
Ultra Guard Security Systems PO Box 5598   Derwood MD 20855   (301) 570-0700 (301) 570-5421 www.ugss.com  
Homeland Security Inc 13113 Briarcliff Terr   Germantown MD 20874   (301) 428-4900 (301) 540-7402    
Myer-Emco Systems LLC 209 Edison Park Dr   Gaithersburg MD 20878   (301) 921-0700 (301) 840-3809 www.myer-emco.com  
Satellite Industries Inc 101 Cherrywood Ter   Gaithersburg MD 20878   (301) 840-5420 (301) 527-1580 www.satelliteindustries.net  
Splaine Security Systems Inc PO Box 226   Kensington MD 20895   (301) 942-6262 (301) 946-0626 www.splainesystems.com  
Integrated Security Solutions Inc 1001 Spring St #1027 Silver Spring MD 20910   (301) 399-0026      
Right-One Inc 2234 Distribution Cir   Silver Spring MD 20910   (301) 608-0135 (301) 608-0134 www.right-one.com  
Statewide Alarms Inc 6616 Lewis Rd   Baldwin MD 21013   (410) 592-5885 (410) 592-8811    
Belmar Security PO Box 1   Brooklandville MD 21022   (410) 821-4000 (410) 583-7080 www.belmarsecurity.com  
Risk Management Consultants 18 Warren Rd   Cockeysville MD 21030   (410) 683-4880 (410) 666-2249 www.jemerickrmc.com  
Techmark Corporation PO Box 370   Hunt Valley MD 21030   (410) 561-7700 (410) 561-2117 www.techmarkcorp.com  
ADT Security Services Inc - Columbia MD 6301 Stevens Forest Rd   Columbia MD 21045   (800) 238-2727   www.adt.com  
Integrated Technology Group Ltd 6770 Oak Hall Ln Ste 117   Columbia MD 21045   (410) 995-6304 (410) 995-6297    
Secom LLC 9687 Gerwig Ln Ste 3A Columbia MD 21046   (301) 210-0022 (301) 210-0055 www.secomllc.com  
Vector Security - Columbia MD 9800 Patuxent Woods Dr Ste B Columbia MD 21046   (410) 290-5320 (410) 290-5354 www.vectorsecurity.com  
CRS Security Inc 1811 Fawn Way   Finksburg MD 21048   (410) 876-7264 (410) 876-7264  
Vigilant Security Solutions Inc PO Box 201   Gambrills MD 21054   (410) 695-4938 (443) 603-1611 www.yourvss.com  
Automated Protection Systems Inc PO Box 700   Manchester MD 21102   (410) 239-4644 (410) 374-8870 www.automatedprotection.com  
East Coast Security Corporation PO Box 690   Millersville MD 21108   (410) 987-0335 (410) 987-9514 www.ecsc.com  
Signals Communications Systems Inc 11438 Cronridge Dr Ste Z   Owings Mills MD 21117   (410) 363-2555 (410) 363-6099 www.signals4u.net  
Moore Security Inc PO Box 688   Parkton MD 21120   (800) 443-9448 (410) 560-0167  
All Alarm Systems Corp dba AASCO PO Box 159   Pasadena MD 21123   (410) 766-8335 (410) 255-8980  
Murrey Installations Inc PO Box 411   Phoenix MD 21131   (410) 527-1177 (410) 527-1177  
ARM Security Systems Inc 208 Main St   Reisterstown MD 21136   (410) 526-4990 (410) 526-2950 www.armsecuritysystems.com  
Scotts Alarm Service LLC 478 Silver Ct   Westminster MD 21158   (443) 605-9939 (410) 848-6978  
CRIMPCO Security 4311 Old Milford Mill Rd Ste B Baltimore MD 21208   (410) 484-0363 (410) 484-9859 www.crimpcosecurity.com  
Homesafe Security Systems Inc 1215 Greenwood Rd   Baltimore MD 21208   (410) 427-7233 (410) 427-7231 www.homesafesecurity.com  
Sonitrol Corporation - Baltimore 2631 Sisson St   Baltimore MD 21211   (410) 338-1800 (410) 467-7844 www.sonitrol.com  
Baltimore Alarm & Security 5314 Reistertown Rd   Baltimore MD 21215   (410) 358-8600 (410) 358-6337 www.baltoalarm.com  
Brink's Home Security - Baltimore MD 11605 CrossRds Cir Ste N Baltimore MD 21220   (410) 686-1615   www.brinks.com  
Presto Electric 7917 Wise Ave   Baltimore MD 21222   (410) 284-3244 (410) 282-9589 www.prestoelectric.com  
Dunbar Alarm Systems Inc 7675 Canton Center Dr   Baltimore MD 21224   (800) 888-2129 (410) 285-1966 www.dunbaralarm.com  
Stanley Security Solutions Inc - Baltimore MD 1530 Caton Center Dr Ste D Baltimore MD 21227   (301) 725-4590 (301) 725-6187 www.stanleyworks.com  
Protection One Alarm Monitoring Inc - Baltimore 3921 Vero Rd Ste B Baltimore MD 21227   (410) 247-7701 (410) 247-5677  
Avnet Systems Inc 2652-F West Patapsco Ave   Baltimore MD 21230   (410) 525-2690 (410) 525-2697 www.avnetsystems.com  
Action Alarm Systems Corporation dba Action Integrated PO Box 43610   Baltimore MD 21236   (410) 325-3200 (410) 325-9827 www.actionintegrated.com  
Stanley Convergent Security Solutions Inc - Baltimore MD 6957 Golden Ring Rd   Baltimore MD 21237   (410) 780-2000 (410) 391-3270 www.stanleysecuritysolutions.com  
Advantage Computer Sales PO Box 895   Cumberland MD 21501   (301) 724-3282 (301) 722-3553 www.advantagecomputer.net  
TWR Communications 549 North Centre St PO Box 299 Cumberland MD 21501   (301) 777-2692 (301) 777-7845 www.twrcommunications.com  
Bay Country Security Inc PO Box 943   Cambridge MD 21613   (410) 228-5785 (410) 221-9959 www.baycountrysecurity.com  
GBS Security Systems Inc 700 Clabber Hill Rd   Church Hill MD 21623   (410) 556-6478 (410) 758-3779 www.intercom.net  
InterTech Security of Maryland 5430 Mount Zion Rd   Frederick MD 21703   (301) 624-1800   www.equipsecuritysolutions.com  
Brink's Home Security - Frederick MD 5111 Pegasus Ct Ste A Frederick MD 21704   (301) 624-0074 (301) 624-0078  
Alarm Systems Testing & Inspections Inc 9009 Wildberry Ct   Boonsboro MD 21713   (301) 580-4090 (240) 597-2456 www.alarmsystemstesting.com  
Tele-Plus Corporation 916 Eldridge Dr   Hagerstown MD 21740   (301) 797-9500 (301) 797-1116 www.telepluscorp.com  
Atlantic Security Systems Inc dba Dynamark Security 19741 Leitersburg Pike Ste G Hagerstown MD 21742   (301) 797-7700 (301) 797-0420 www.atlanticsecurity.net  
Eagle Eye Technologies Inc 4338 Valley View Rd   Middletown MD 21769   (301) 371-8700 (301) 371-5199 www.goeagleeye.com  
ADT Security Services Inc - Salisbury MD 803 N Salisbury Blvd Ste 2400 Salisbury MD 21801   (800) 238-2727   www.adt.com  
Alarm Engineering Inc 2204 West Zion Rd   Salisbury MD 21801   (410) 546-2210 (410) 546-3354 www.alarmengineering.com  
Guard Dog Security Systems Inc PO Box 2423   Salisbury MD 21802   (410) 546-7799 (410) 546-1170 www.guarddogsecuritysystems.org  
Reed Security Systems Inc 1104 Granbys Run   Salisbury MD 21804   (410) 219-3111   www.reedsys.us  
Associated Alarm Systems Inc 401 Eastern Shore Dr   Salisbury MD 21804   (508) 775-3442