Sethco Lumber Company Categories Building Materials & Supplies/LumberDecks and Stair SystemsWindow Coverings 4566 E. Apple Ave. Muskegon MI 494422806 (231) 788-5336 Send Email Rep/Contact Info Seth Middlecamp Phone: (231) 788-5336 Send an Email 4566 E. Apple Ave. Muskegon MI 49442-2806 Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×