5 Lakes Lodge
- Street : 46 Marina Drive
- City : Indian Purchase Twp.
- Phone : (207) 723-5045
- Website : http://5lakeslodge.com
Baxter State Park
- Street : 64 Balsam Dr.
- City : Millinocket
- Phone : (207) 723-9616
- Website : https://baxterstatepark.org/
Buckhorn Camps
- Street : Jo-Mary Island T-4
- City : Indian Purchase Township
- Phone : (207) 723-1548
- Website : https://buckhorncamps.com/
Chewonki’s Big Eddy Campground
- Street : Mile 28.5 Golden Rd.
- City : T3 R11
- Phone : (207) 882-7323
- Website : https://bigeddy.chewonki.org
Friends of Katahdin Woods and Waters
- Street : 565 Congress St. Suite 203
- City : Portland
- Phone : (207) 808-0020
- Website : https://friendsofkww.org
Katahdin Air Service, Inc.
- Street : 1888 Golden Rd. (Ambejejus Lake)
- City : T1R9
- Phone : (207) 723-8378
- Website : https://katahdinair.com/
Moose Woods Guide Service LLC
- Street : P.O. Box 83
- City : Millinocket
- Phone : (207) 723-1009
- Website : https://www.moosewoodsguideservice.com
New England Outdoor Center
- Street : Millinocket Lake
- City : Millinocket
- Phone : (800) 766-7238
- Website : https://neoc.com/
North Country Rivers
- Street : 102 Baxter Park Rd.
- City : Millinocket
- Phone : (800) 348-8871
- Website : http://northcountryrivers.com
North Maine Woods, Inc.
- Street : 91 Main St.
- City : Ashland
- Phone : (207) 435-6213
- Website : http://northmainewoods.org/
Northern Outdoors
- Street : Abol Bridge Campground, Baxter State Park Rd
- City : Millinocket
- Phone : (207) 663-4466
- Website : https://www.northernoutdoors.com/
Penobscot Outdoor Center
- Street : Millinocket Lake
- City : Millinocket
- Phone : (800) 766-7238
- Website : https://www.neoc.com/penobscot-outdoor-center/
Pine Grove Campground & Cottages
- Street : 822 Grindstone Rd.
- City : Medway
- Phone : (207) 746-5172
- Website : http://www.Pinegrovecamp.com
Sewall House Yoga Retreat
- Street : 1027 Crystal Road
- City : Island Falls
- Phone : (646) 316-5151
- Website : http://sewallhouse.com/
Shin Pond Village
- Street : 1489 Shin Pond
- City : Patten
- Phone : (207) 528-2900
- Website : http://shinpond.com/
The Nature Conservancy
- Street : 14 Maine St. Suite 401
- City : Brunswick
- Phone : (207) 729-5181
- Website : https://nature.org/maine
Twin Pines Lodging
- Street : Millinocket Lake
- City : Millinocket
- Phone : (800) 766-7238
- Website : https://neoc.com/twin-pine-cabins/
Wilderness Edge Campground
- Street : 71 Millinocket Lake Rd.
- City : Millinocket
- Phone : (207) 447-8485
- Website : http://wildernessedgecampground.com/
Wildwoods Trailside Cabins, Lodge & Restaurant
- Street : 125 Russell Rd.
- City : Brownville
- Phone : (207) 965-0000
- Website : http://wildwoodsmaine.com