Founded in 1912, Reiff Nestor Company is a US manufacturer standard and specialty machine taps.

Founded in 1942, Jergens Inc is an established US manufacturer that specialises in three main product areas – workholding solutions, lifting solutions, and specialty fasteners.

Founded in 1989, Thorlabs, Inc is a US optical equipment photonics company that designs, manufactures, and supplies equipment used for optical research, laser and fibre optics, imaging and microscopy, motion control, opto-mechanics, quantum optics, and in the life sciences.

Founded in 1941, MSC Industrial Direct Co. Inc is one of the largest industrial equipment distributors in the USA, distributing more than 1.5 million metalworking, MRO, and other industrial tools.

Founded in 1927, W. W. Grainger, Inc is a major US industrial supply company that supplies over 1.5 million industrial and maintenance products, including tools, safety gear, HVAC equipment, electrical supplies, and material handling and storage equipment.

Founded in 1901, McMaster-Carr Supply Company is a US supplier of hardware, tools, raw materials, industrial materials, and maintenance equipment.