Welcome to GTS

GTS is a full service distributor of commercial and residential interior finishing products.

GTS currently has 17 sales locations in Washington, Oregon, Idaho, Montana, and Alaska.

GTS yards carry a full line of interior finishing products available for customer pick-up or delivery to the jobsite.

Founded in 1979, GTS continues to grow and expand.

GTS Interior Supply Co. is part of GMS - Gypsum Management & Supply, Inc.