| Business | Phone |
| Studio One Architects 3720 Farragut Ave # 501, Kensington 20895 | (301) 946-4601 |
| Briggs Gerald Architect 5000 Flanders Ave, Kensington 20895 | (301) 946-2064 |
| Richard Foster Architects 10605 Concord St # 304, Kensington 20895 | (301) 942-9201 |
| Gtms 10415 Armory Ave, Kensington 20895 | (301) 942-7065 |
| Kjd Architects 4904 Aurora Dr, Kensington 20895 | (301) 933-1511 |
| Jarvinen Associates Inc 3947 Washington St, Kensington 20895 | (301) 946-7991 |