- Accent General Contracting Inc
- Apex Construction Svc
- BKC Construction
- Bradbern Construction Co
- Design Group MD Inc
- Falcon Construction Inc
- Foulger-Pratt Co
- George D Mossburg
- Hamilton Design Build Inc
- Hyde Construction LLC
- John L Du Fief Inc
- KANE Construction
- MASS Inc
- MCS Contracting
- Nelson Construction Group
- North South Construction
- Ostach Construction Inc
- PAP
- Parcorp
- Potomac Contractors Inc
- R C Construction Co
- S H Smith Construction
- T E Whitlock Construction
- T J Rand Construction Inc
- Ted Gindes Construction
- Travilah Road Joint Venture
- Triad Construction Svc Inc
- Verna Contracting
- WES Construction
- William V Walsh Construction
