GMP is a member of the Klein family of companies that includes complementary industry leaders to help provide our customers the right solution for their job.

These companies include:

Klein Tools
Klein Tools is an American company based in Lincolnshire, Illinois that manufactures hand tools. The company is known for its popularity with workers in the electrical and telecommunications industries. Lineman's pliers are often called "Kleins.
CBS Products
CBS Products is at the forefront of cabling technology, the design and manufacture of installation equipment for HV Transmission towers, LV Distribution lines, Railway Tracksides and underground CATV / Telecommunication networks, including the handling of Fiber Optic Cables.
A Brazilian equipment manufacturer that supplies a full range of products for the electrical, construction, oil & gas and telecommunications industries in Brazil, the sixth-largest economy in the world.
Klein Cutlery
The largest U.S. manufacturer of hot-forged scissors and shears for a wide variety of markets including textiles, sewing, poultry, electronics, fiber optics and pet grooming.
Mumme Tools
A family-owned company that produces a wide-range of forged hand tools in South Australia and is Australia’s leading mining tool manufacturer.
Super Rod
Super Rod is a leader in cable rods and wire installation tools used in the electrical industry.
Tulmex manufactures products for the electrical, HVAC/R and construction trades in Mexico. Tulmex is part of the Herramientas Klein, S.A. De C.V. subsidiary.