Established in 1989, Equinox continued the manufacture of the well-known Cinch® brand of radiator filler necks. Later, Equinox added hose connections to complement the manufacture of radiator parts. Presently, we offer an expanded product line to 250 customers in ten countries.

Equinox is centrally located in Chicago, Illinois, America's industrial heartland. At Equinox, all employees work as a team to deliver high-quality, precision products that best serve our customers' critical needs worldwide.