Ridgid

The Ridge Tool Company is an American manufacturing company that manufactures and sells tools under the Ridgid brand. The company was founded in 1923 in North Ridgeville, Ohio. It moved to its current location in Elyria, Ohio in 1943 and became a wholly-owned subsidiary of Emerson Electric in 1966. Ridgid tools are designed for the plumbing, pipe fitting, construction, and HVAC trades.

The brand is best known for its distinctive red pipe wrenches, but the company makes more than,300 different types of tools. The company also sells power tools, mostly manufactured by TTI, and wet/dry vacuums, manufactured by parent company Emerson. Ridgid produced a pin-up calendar from 1935 to 2016. Early versions featured the work of American pin-up artist George Petty. Models who have appeared on the calendar include Raquel Welch and Brooke Burke.