| Business | Phone |
| Preferred Systems Solutions 46579 Expedition Dr, Lexington Park 20653 | (301) 737-0175 |
| R F Microsystems Inc 22290 Exploration Dr # 103, Lexington Park 20653 | (301) 862-2000 |
| Raven Inc 21795 N Shangri La Dr # C, Lexington Park 20653 | (301) 866-1710 |
| Sabre Systems Inc 48015 Pine Hill Run Rd # 3, Lexington Park 20653 | (301) 863-5090 |
| Chugach Support Svc Inc 21803 Three Notch Rd, Lexington Park 20653 | (301) 866-1622 |
| Diverse Technologies Corp 14 Three Notch Rd, Lexington Park 20653 | (301) 862-4982 |
| Transtecs Corp 21789 N Coral Dr, Lexington Park 20653 | (301) 863-6400 |
| Jwk Intl Corp 22776 Three Notch Rd # 208, Lexington Park 20653 | (301) 863-6611 |