| Business | Phone |
| Boston Properties 365 Herndon Pkwy, Herndon 20170 | (703) 437-4547 |
| Boston Properties 397 Herndon Pkwy, Herndon 20170 | (703) 787-7591 |
| Crimson Partners 455 Springpark Pl 100, Herndon 20170 | (703) 834-9700 |
| Crossroads Of Dulles 1033 Sterling Rd, Herndon 20170 | (703) 471-6763 |
| Regan Associates Llc 698 Pine St, Herndon 20170 | (703) 689-2208 |
| Monument Realty 2565 Horse Pen Rd, Herndon 20171 | (703) 793-3242 |
| Ps Business Parks 600 Herndon Pkwy, Herndon 20170 | (703) 471-1370 |