Northern Gateway Regional Chamber of Commerce
- Offices in Lancaster, serves Dalton, Groveton, Jefferson, Lancaster, Northumberland, Randolph, Stark, Stratford, Twin Mountain, and Whitefield. Business directory and contact information, magazine and calendar of events.
- http://www.northerngatewaychamber.org/

NH North Woods
- Not-for-profit directory lists events, businesses, dining, lodging, and organizations in the region.
- http://www.nhnorthwoods.com/

Great North Woods Directory
- Information on area attractions, events, history, business services, and demographics.
- http://www.northnh.com/

Umbagog Area Chamber of Commerce
- Serving Cambridge, Dummer, Errol, Millsfield, and Wentworth Location. Includes tourist information, business directory, news and events, and membership benefits.
- http://www.umbagogchambercommerce.com/

North Country Chamber of Commerce
- Offices in Colebrook, serves Clarksville, Columbia, Pittsburg, Errol, Dixville Notch and Stewartstown. Business directory, area information, events calendar, and newsletter.
- http://www.northcountrychamber.org/

The Great North Woods
- Guide to area attractions, tourist information, businesses, churches, and outdoor activities. Sections on the logging industry, moose facts and lore, panoramic photos, and links to area towns and chambers of commerce.
- http://www.greatnorthwoods.org