| Business | Phone |
| Regional Data Processing Inc 14300 Gallant Fox Ln, Bowie 20715 | (301) 262-7110 |
| Bowie Bytes 14920 Napal Ct, Bowie 20716 | (301) 390-4311 |
| Data Quest Intl Inc 2601 Arden Forest Ln, Bowie 20716 | (301) 249-3264 |
| Whitemarsh Information Systems 2008 Althea Ln, Bowie 20716 | (301) 249-1142 |