| Business | Phone |
| Atea Information Technology 1445 Research Blvd, Rockville 20850 | (301) 545-0820 |
| Drug Information Tech Inc 1335 Rockville Pike # 330, Rockville 20852 | (301) 424-5001 |
| Moore Information Systems Inc 1700 Rockville Pike # 400, Rockville 20852 | (301) 998-6194 |