| NRG LED Lighting and Solar solutions | | Ellicott City | MD | | Key Contacts | Active Projects | |
| Excavating Associates Inc | | Ellerslie | MD | | Key Contacts | Active Projects |  .com |
| EQUIX, Inc | | Jessup | MD | | Key Contacts | Active Projects | |
| Unified Strategic Resources LLC | | Harwood | MD | | Key Contacts | Active Projects | |
| Rivers Construction Group | | Jessup | MD | | Key Contacts | Active Projects |  .com |
| W M Schlosser Company Inc | | Hyattsville | MD | Contractor | Key Contacts | Active Projects | .com/ |
| Synagro - Headquarters | | Baltimore | MD | | Key Contacts | Active Projects |  .com |
| Inframark LLC | | Elkton | MD | | Key Contacts | Active Projects | |
| Freemire & Associates, Inc. | | Harmans | MD | | Key Contacts | Active Projects | .com |
| Lee Foundation Company, Inc. | | White Marsh | MD | Contractor | Key Contacts | Active Projects | .com |
.gov/