™ is the manufacturer of Envirolet™ Composting Toilet Systems. SANCOR™ is also a distributor of a variety of marine, dock and cottage products. Envirolet™ brand composting toilets have been sold worldwide since 1977. SANCOR™ manufactures and markets Envirolet™ direct to the consumer. This offers many advantages. Click here to find out more about why direct is best. Look for the trade names SANCOR™ and Envirolet™ when purchasing your composting toilet system. There is only one Envirolet™ brand composting toilet system. Envirolet™ trademark info can be found near the bottom of this page in the Legal, Trademark & Copyright subsection.