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1. Simplex Grinnell
3. Vivint
Serving theUpper Marlboro Area
From Business: Vivint Smart Home makes life simple. Vivint delivers an integrated smart home system with in-home consultation, professional installation and support delivered…
5. A - D - T
6. A D T
7. Hawkins Electric Service, Inc.
Serving theUpper Marlboro Area
i was amazed at the professionalism of hawkins from the moment they stepped into my home. they used coverings over their shoes and were very friendly and reasonably priced. …
8. Ackerman Security Systems
From Business: Ackerman Security is a leading and trusted provider of Home & Business Security Systems. Our 24/7 monitoring includes burglary, fire and medical monitoring for…
10. ADT
Serving theUpper Marlboro Area
11. Metrotech Systems
12. Natelco Corp
I'm not able to comment on the Fire Alarm side but I can tell you that the airport services managed by Dale Sunderlin and Randy Sellner are shady to say the least. Their motto…
From Business: Signet Technologies is one of the leaders in the design, integration, installation, maintenance, as well as operation of technically complex integrated…
14. VECTOR SECURITY
16. Adcocks Systems
17. AAA Fire and Safety
18. GoSafer Security
The company's management is highly ineffective, with outstanding debts to their employees, a pattern of delayed payments, and a lack of empathy towards their workforce."
19. Feba Inc
20. Siemens Building Technologies Inc-Landis Division
21. ABC Burglar Alarm Systems Inc
23. Asg Security
24. Ferguson Fire & Fabrication
From Business: Ferguson Fire & Fabrication caters to fire protection contractors and engineers by offering a vast supply of fire protection products and sprinkler supply with…
25. Watch Guard of the Potomac
From Business: Guardian Protection Services, founded in 1950, is one of the largest privately owned companies in the United States that sells, installs and monitors security…
27. Ark Systems Inc
From Business: ARC Engineering is the premier Engineering firm serving the Baltimore Washington Metropolitan Area. We specialize in many different areas and are available for…
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