| Business | Phone |
| Computer Engineering Assoc Inc 8227 Cloverleaf Dr # 308, Millersville 21108 | (410) 987-7003 |
| Cranel 610 Millshire Dr, Millersville 21108 | (410) 729-1599 |
| Designed Solutions 8372 Norwood Dr, Millersville 21108 | (410) 384-9448 |
| Extraprise Millersville 21108 | (443) 695-0326 |
| Light Industries 8223 Cloverleaf Dr # 100, Millersville 21108 | (410) 987-5914 |
| Maryland Management 303 Najoles Rd, Millersville 21108 | (410) 987-9800 |
| Mercury Interactive 405 Headquarters Dr, Millersville 21108 | (410) 987-7725 |
| Rome Technologies Inc 412 Headquarters Dr # 4, Millersville 21108 | (410) 923-2000 |
| Synplicity Inc 1120 Benfield Blvd, Millersville 21108 | (410) 729-8781 |