- Advance Realty
- Andover Mills Realty LP
- Andover Real Estate Svc
- Banner Realty Inc
- Brookside Estates
- C B Richard Ellis
- Coldwell Banker
- Druth Commercial Real Estate
- Elke Kappeler
- ERA Home & Family Real Estate
- Exit Group-One Real Estate
- Gurry Agency
- Harkins Auctioneers
- Harkins Real Estate & Auction
- Hearthstone Realty
- Homes At Andover Country Club
- J R Caffray Realtors
- JCH Realty Trust
- Lally Real Estate
- Land Realty
- Macartney Realty Trust
- Merrimack Real Estate
- Musto Commercial Real Estate
- North Bay Properties
- North Solar Screen
- Ozzy Properties Inc
- Prudential Howe & Doherty Rlty
- Re/Max Partners
- Real Estate Guide
- Seth Lerner
- Seventy-Seven Main St Realty
- TMG Development
- Villanova Realty Trust
