| Business | Phone |
| Adaptivetrade 6 Montgomery Village Ave, Gaithersburg 20879 | (240) 632-9770 |
| Aurora Consultancy 9902 Shelburne Ter, Gaithersburg 20878 | (301) 330-1206 |
| Compusnet Solutions 18945 Cross Country Ln, Gaithersburg 20879 | (301) 258-9599 |
| Potomac Digitek Inc 814 W Diamond Ave # 150, Gaithersburg 20878 | (301) 590-2770 |
| Frederick.Com Po Box 4025, Gaithersburg 20885 | (301) 271-7500 |
| Itserv Inc 1 Bank St, Gaithersburg 20878 | (301) 948-1111 |