ReTec Miljö AB is a Swedish firm that develops, manufactures, and sells technology and systems for recycling and waste management.  Their product offerings include crushing, composting, sorting, and biogas solutions. 

Notably, they produce their own equipment, such as bale openers, mobile security shredders, mineral wool recyclers, and gypsum recycling facilities.

ReTec Miljö AB also creates customized machinery and facilities to meet individual customer needs through its in-house automation and construction departments.