| Business | Phone |
| Warner-Boyd & Assoc 10335 Kensington Pkwy # 2nd, Kensington 20895 | (301) 949-4980 |
| Spacesaver Systems Inc 10800 Connecticut Ave, Kensington 20895 | (301) 933-9390 |
| Capital Office Systems Inc 10400 Connecticut Ave, Kensington 20895 | (301) 942-8321 |