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
Katahdin Shadows Campground
- Street : 118 Katahdin Shadows
- City : Medway
- Phone : (207) 746-9349;(800) 794-5267
- Website : http://www.katahdinshadows.com
Ktaadn Arts Education Center
- Street : 135A Penobscot Ave
- City : Millinocket
- Website : https://ktaadnartseducation.org/ https://www.facebook.com/KtaadnArts
