Timberline Fasteners offers integrated branded programs with top tier fasteners manufacturers like FastenMaster®, GRK Fasteners®, ITW and Powers Fasteners®. Timberline Fasteners has partnered with these four premier manufacturers of construction fasteners: these four product lines represent the quality, selection, performance, and price professional customers recognize and require. All four product offerings are designed to be integrated in to the Timberline Fasteners merchandising system, further reinforcing the depth and quality of the program.