Manufacturers / PrimeSource Building Products, Inc.

A specialty branded building-products company headquartered in Irving, Texas, supplying fastening solutions, building materials, and outdoor living products through nationwide fulfillment centers. Its brand portfolio includes Grip-Rite, Pro-Twist, and Wolf Home Products; Grip-Rite is its flagship fastener brand and the grip-rite.com site states the mark is a trademark of PrimeSource Building Products, Inc.