In 1923, Ridgid invented the modern pipe wrench, used today by professionals including HVAC contractors and technicians. Ridgid is a division of Emerson, serving the commercial and residential HVAC and plumbing industries as well as skilled trades workers in the industrial, mechanical, and infrastructure sectors.

The ACHR NEWS toured the Ridgid plant in Elyria, Ohio for a behind-the-scenes look at how pressing jaws are made.