- A
- A Halcon Contractors, Inc.
- Absolute Solutions and Associates, LLC
- Absolute Supply and Services, LLC
- Acme Supplies, LLC
- Adams Environmental Engineering Group, LLC
- Aegis Mechanical Corporation
- AESolutions, LLC
- American Contracting Corporation
- American Layout Design Corporation
- Anthony Management Group, LLC
- Atlantic Hardware Supply, LLC
- AUI Power
- B
- Battaglia Electric, Inc.
- Beltway Cleaning Systems
- BFW Group, LLC
- Brendan Works, LLC
- Broughton Construction Company, LLC
- Brown's Communications, Inc.
- Bryant Associates, Inc.
- Bulldog Distribution Trucking, LLC - The Bulldog Group
- C
- Carpet For Pennies, Inc. (CFP Group)
- Cinnovas Development Group, LLC
- Com-Bro Contracting, Inc.
- Comer Construction, Inc.
- COMMSERV, LLC
- Contract Environments, Inc.
- Corenic Construction Group
- D
- D2 Sitework
- Davey Mackison & Reid, LLC
- Day and Sons, Inc
- DC Tours & Transportation
- Delaware Cornerstone Builders, Inc.
- District Safety Products, Inc.
- E
- Electrify Electric, LLC
- Eminence Maintenance and Building Service, LLC
- Environment Design International, Inc.
- Environmental Waste Specialists, Inc. (EWSI)
- Evurge Solutions
- ExecuPOWER, LLC
- F
- Falcon Solutions, LLC
- Fallsway Construction Co. LLC
- Femdel, LLC
- Five Star Quality Remodeling