Nicatou Outfitters
- Offers trips on the Allagash, Penobscot, and St. Croix rivers, as well as within Baxter State Park. Transportation and shuttle service. Includes information about available services.
- http://www.nicatououtfitters.com/

Katahdin Scenic Cruises
- Features sightseeing cruises on Millinocket Lake. Includes a description of available packages, with photographs, and prices.
- http://www.katahdinsceniccruises.com/

New England Outdoor Center
- Whitewater rafting in the Penobscot, Dead, and Kennebec rivers; snowmobiling, snowmobile rentals, rafting, kayaking, hunting, fishing, and guide service.
- http://www.neoc.com/

Katahdin Outfitters
- Provides guided wilderness trips in the north Maine woods to the Allagash, St. John's River, Penobscot River, Baxter State Park, and the Appalachian Trail.
- http://www.katahdinoutfitters.com/