Exhaust Heat Recovery Links CHP Partnership Profile Cain Industries’ online profile from the EPA’s Combined Heat and Power (CHP) Partnership. Manufactured in Wisconsin Profile Cain Industries’ online profile from the manufacturedinwisconsin.com website. Finley Buttes Landfill Combined Heat and Power (CHP) Solution Landfill gas to energy facility installs 3 Heat Recovery Silencer Radial (HRSR) units from Cain Industries.