Century 21 - A. Perras Realty
- Offices in Lee and Pittsfield. Includes home search, office profiles, and mortgage rates.
- http://www.a-perras.com

Rental Housing Association of Berkshire County
- Association of landlords organized to protect their interests
- http://rhabc.com/

Wheeler & Taylor Realty Company
- Great Barrington and Stockbridge offices. Includes sales and rental searches with area links.
- http://wheelerandtaylor.com/

Steepleview Realty
- Offices in Adams and Great Barrington.
- http://www.steepleview.com/

RCI Real Estate
- Offices in North Adams and Williamstown; includes agent directory, current land and home offerings, with general buyer and seller resources.
- http://www.rci-realestate.com/

Berkshire County Board of Realtors
- Presents real estate information and the ability to search for property or real estate agents.
- http://www.berkshirerealtors.com/