| Business | Phone |
| Beth Wehrle Landscape Archts 2311 18th St Nw, Washington 20009 | (202) 588-8541 |
| Coffin & Coffin 715 G St Se, Washington 20003 | (202) 546-2322 |
| Dca Landscape Architects Inc 1315 Wisconsin Ave Nw, Washington 20007 | (202) 337-1160 |
| Evans Design Assoc 5445 Potomac Ave Nw, Washington 20016 | (202) 362-6834 |
| Fine Garden Specialist 2002 Klingle Rd Nw, Washington 20010 | (202) 328-6657 |
| Fitch Studio 1238 Wisconsin Ave Nw, Washington 20007 | (202) 338-7174 |
| Fitch Studio 1740 20th St Nw, Washington 20009 | (202) 588-0148 |
| Fritz-Gignoux Landscape Arch 4436 Klingle St Nw, Washington 20016 | (202) 244-2016 |
| Garden Arts 17 8th St Ne, Washington 20002 | (202) 546-6624 |
| Jane Mac Leish Landscape Inc 3743 Upton St Nw, Washington 20016 | (202) 966-8279 |
| Jordan Honeyman Landscape 1003 K St Nw # 840, Washington 20001 | (202) 737-0451 |
| Landscape Group Ltd 6856 Eastern Ave Nw # 202, Washington 20012 | (202) 291-1650 |
| Lawn Restoration Svc 2925 O St Se, Washington 20020 | (202) 582-3024 |
| Iris Miller 3820 52nd St Nw, Washington 20016 | (202) 737-4433 |
| Morning Glory Design 5314 Chevy Chase Pkwy Nw, Washington 20015 | (202) 244-0503 |
| Oculus 1754 T St Nw, Washington 20009 | (202) 588-5454 |
| Oehme Van Sweden & Assoc 800 G St Se, Washington 20003 | (202) 546-7575 |
| Peter Liu Assoc Inc 1350 Connecticut Ave Nw, Washington 20036 | (202) 293-2121 |
| Willocks Landscape Design 1537 15th St Nw # 401, Washington 20005 | (202) 986-6720 |
| Wisteria Landscapes & Arborist 3832 Calvert St Nw, Washington 20007 | (202) 832-4434 |