Ajax TOCCO, headquartered in Warren, Ohio, is a global supplier of custom induction heating systems. Ajax specializes in providing solutions for a variety of industries using various processes, including hardening, tempering, annealing, stress relieving, curing, brazing, soldering, melting and forging.

Pairing ORC technology and heat exchangers can help some facilities capture otherwise lost thermal energy in bulk solids materials to reduce energy consumption and generate electricity.

Heat-pipe energy-recovery technology gained significant market acceptance in the 1960s.

HyGear started the development of a thermo chemical recuperator (TCR) that can be applied to decrease the energy usage of industrial furnaces.

Dry Coolers Inc. offers a heat recovery unit (HRU series) that captures waste heat from hot gas streams to heat water for wash tanks or boilers.