ABC Burglar Alarm Systems hosts a wide variety of clients, below are some.

- Outback SteakHouses
- Carrabba's Italian Grills
- Safeways
- Bojangles
- Glory Days Grill
- Subway
- Motor Vehicle Administration
- University of MD at College Park
- C & M Home Builders
- Washington Suburban & Sanitation
- Lemongrass Restaurant
- Harry Brown's Restaurant
- Chesapeake Bay Foundation
- EOP Group
- Leo Daly Architect
- Holy Trinity Church
- Strickland Fire Protection
- City of Bowie
- Ace Fire
- Save A Lot Food Stores
- Nationwide Insurance