5 Lakes Lodge
- Street : 46 Marina Drive
- City : Indian Purchase Twp.
- Phone : (207) 723-5045
- Website : http://5lakeslodge.com
Appalachian Mountain Club
- Street : 15 Moosehead Lake Road
- City : Greenville
- Phone : (207) 695-3085
- Website : https://www.outdoors.org
Big Moose Inn, The
- Street : Baxter State Park Rd.
- City : Millinocket
- Phone : (207) 723-8391
- Website : http://www.bigmoosecabins.com
Bowlin Camps Lodge
- Street : 1 Bowlin Pond Rd. T5 R8
- City : Patten
- Phone : (207) 267-0884
- Website : http://www.bowlincamps.com
Chewonki’s Big Eddy Campground
- Street : Mile 28.5 Golden Rd.
- City : T3 R11
- Phone : (207) 882-7323
- Website : https://bigeddy.chewonki.org
Eagle Lodge & Camps
- Street : 600 Folsom Pond Rd
- City : Lincoln
- Phone : (207) 794-2181
- Website : http://eaglelodgemaine.com
Friends of Baxter State Park
- Street : 137 High St. Suite 4
- City : Belfast
- Phone : (207) 975-3787
- Website : https://friendsofbaxter.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/
Katahdin Forest Management, LLC
- Street : 4 Hill St.
- City : Millinocket
- Phone : (207) 723-2119
- Website : http://katahdinforestcabins.com/
Katahdin Outfitters
- Street : 360 Bates St
- City : Millinocket
- Phone : (207) 723-5700
- Website : http://www.katahdinoutfitters.com
Moose Woods Guide Service LLC
- Street : P.O. Box 83
- City : Millinocket
- Phone : (207) 723-1009
- Website : https://www.moosewoodsguideservice.com
Mt. Chase Lodge
- Street : 1517 Shin Pond Road
- City : Patten
- Phone : (207) 528-2183
- Website : https://mtchaselodge.com/
Nesowadnehunk Wilderness Campground
- Street : Nesowadnehunk
- City : Millinocket
- Phone : (207) 458-1551
- Website : https://campmaine.com/directory/katahdinmoosehead-campgrounds/nesowadnehunk-campground/
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 Adventures Rafting
- Street : Millinocket Lake
- City : Millinocket
- Phone : (800) 766-7238
- Website : http://neoc.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/
Spencer Cove Outfitters
- Street : Ambajejus Lake
- City : T1R9
- Phone : (207) 723-1287
- Website : http://spencercoveoutfitters.com
Twin Pines Lodging
- Street : Millinocket Lake
- City : Millinocket
- Phone : (800) 766-7238
- Website : https://neoc.com/twin-pine-cabins/