- 1401 New York Ave Inc
- 1417 N Street Northwest Apts
- 915 15th St LLC
- Akridge Real Estate Svc
- American Portfolio Properties
- Amstar Group
- Arbor Office Suites
- Archon Group
- AXIS Realty Advisors
- Azure 14th Street Corp
- Bailey Capital Corp
- Beacon Properties Corp
- Blue White LTD
- Boland Group
- Bond Building LTD Partnership
- Boston Properties
- Boston Properties
- Brannock Real Estate
- C B Richard Ellis
- C H Hillegeist Co
- Carr America
- Carr Real Estate Svc
- Charlotte Tighe Communications
- CNC Real Estate & Financial
- D C Real Estate Inc
- Daro Realty Inc
- Esquire Federal City
- Federal City Real Estate
- Federal Development
- Fifteen Twenty Two K Street
- Fred Ezra Co
- Gaedeke Group
- Gaedeke Landers
- George Basiliko Real Estate
- Home Rule Development Corp
- Insignia ESG
- Jones Lang LA Salle
- Jones Lang LA Salle
- Kaempfer Co
- Karchem Properties Inc
- Langston Lofts
- Lofts 14
- Logn & Foster
- Long & Foster Realtors
- Lustine Realty Co
- Madrigal Loft
- Manulife Real Estate
- Metropolis Development Co LLC
- Midtown Property Mgmt
- Miller Development
- Monument Realty
- MTD Real Estate
- National Mortgage News
- NHP Foundation
- P N Hoffman
- Phifer Realty Inc
- Picerne Properties
- Prudential Realty Group
- Real Estate Technical Advisor
- Respro
- S C Herman & Assoc
- Scannell Properties
- Shorenstein Realty Svc
- Summit Commercial Real Estate
- Summit Realtors
- Total Management Inc
- Trizec Properties Management
