| Business | Phone |
| Abhyankar Associates Architect 12654 Still Pond Ln, Herndon 20171 | (703) 620-6490 |
| Architectural Designs 12414 English Garden Ct, Herndon 20171 | (703) 758-7570 |
| Architectural Images Inc 620 Herndon Pkwy, Herndon 20170 | (703) 437-6472 |
| Architecture Unlimited 980 Young Ave, Herndon 20170 | (703) 481-1246 |
| Arencibia Architects Inc 13368 Point Rider Ln, Herndon 20171 | (703) 733-0190 |
| Digiorgio Associates 13755 Sunrise Valley Dr, Herndon 20171 | (703) 793-2200 |
| Eddy & Eckhardt 2579 John Milton Dr 110, Herndon 20171 | (703) 759-5500 |
| Eddy & Eckhardt Architects 2579 John Milton Dr, Herndon 20171 | (703) 476-9784 |
| Herring & Trowbridge 690 Center St 200, Herndon 20170 | (703) 742-4074 |
| Tah Architects 3276 Willow Glen Dr, Herndon 20171 | (703) 648-3112 |
| Mark S Jurgielewicz 1215 Stuart Rd, Herndon 20170 | (703) 406-2993 |
| Mark Jurgielewicz Architects 1215 Shaker Woods Rd, Herndon 20170 | (703) 406-2993 |
| Marvin Kagan & Assoc 1177 Bandy Run Rd, Herndon 20170 | (703) 444-8880 |
| Mbc Design Build Inc 2070 Rock Hill Rd, Herndon 20170 | (703) 437-8870 |