- Aloi Property Management
- Castle & Castle
- Coldwell Banker
- Coldwell Banker
- Coldwell Banker Best Realty
- E P Assoc
- ECO Development Inc
- Fitzgerald Realty Group Inc
- Fox Realty Group Inc
- Frederick Business Properties
- Frederick County Assn-Realtors
- Frederick Land Co
- Frederick Management
- Frederick Villas Apartments
- Horizon Realty
- Hutzell Curtis & Sheets Realty
- ISELLHOUSES.COM
- Ken Dluhy & Assoc
- Kline Scott Visco Commercial
- Long & Foster Realtors
- Mac Kintosh Inc Realtors
- Makintosh Realtors
- Menconeri Realty
- Moody & Assoc
- Perkins Group
- Property Insight
- Radcliffe Realty Group LLC
- Ralph Brown Property Mgmt
- Real Estate Ctr
- Real Estate Teams
- Realty Direct Of Frederick
- Realty Executives
- Record Title & Escrow
- Save 6 The For Sale By Owner
- Spring Ridge Senior Apts
- Springridge Real Estate Group
- Steve Chafitz Realty
- Surburban Realty
- Taylor Insurance
- Tyler-Donegan Inc
- Vanessa Chrisafis
- Warner Commercial
- Young
