The Northern Research Station includes 22 Official and 2 Cooperating Experimental Forests in 13 States throughout the Midwest and Northeast.

• Illinois: Kaskaskia
• Indiana: Paoli
• Maine: Howland; Massabesic; Penobscot
• Maryland: Baltimore
• Michigan: Dukes/Upper Peninsula; Lower Peninsula; Udell
• Minnesota: Big Falls; Cutfoot; Kawishiwi; Marcell; Pike Bay
• Missouri: Sinkin
• New Hampshire: Bartlett; Hubbard Brook
• New Jersey: Silas Little
• Ohio: Vinton Furnace
• Pennsylvania: Kane
• West Virgina: Fernow
• Wisconsin: Argonne; Coulee; Harshaw