| Business | Phone |
| Msc Software Corp 7005 Cashell Manor Ct, Derwood 20855 | (301) 519-2888 |
| Micro Burst 15732 Crabbs Branch Way, Derwood 20855 | (301) 948-8895 |
| Mcguire & Group 5613 Artesian Dr, Derwood 20855 | (301) 977-0827 |
| Laya Systems Inc 7404 Deer Point Ct, Derwood 20855 | (301) 977-1755 |
| Iquest Solutions 7361 Calhoun Pl # 520, Derwood 20855 | (301) 251-2001 |