St Louis Composting, Inc. is a food waste recycling company based in St Louis, MO, serving the metro area with nine locations. They specialize in converting food and organic waste from restaurants, packaged food manufacturers, and retailers into compost, mulch, and custom soils. The company offers depackaging services to help divert waste from landfills and supports clients in meeting diversion goals. Their compost products are STA certified and OMRI-listed.

PROCECO Ltd. is a smart waste management equipment and technology vendor based in OFallon, MO. The company specializes in parts cleaning, surface treatment, high-pressure water jet deburring, and slurry blasting systems. PROCECO offers integrated cleaning solutions, handling everything from process testing in their lab to manufacturing and installation.

Iowa Waste Reduction Center, based in OFallon, MO, provides environmental consulting and education focused on food waste recycling and restaurant waste compliance. They assist Iowa small businesses with regulatory compliance, on-site audits, and waste reduction strategies including anaerobic digestion and composting. The center also offers energy efficiency audits and training to improve sustainability. Operating from the University of Northern Iowa, they support organizations with specialized environmental services.

Evergreen Grease Service, Inc. is a company in OFallon, MO, specializing in grease trap cleaning and used cooking oil recycling.

Grease Masters is a commercial kitchen cleaning and grease trap service provider based in St. Louis, MO. They serve a variety of businesses in the St. Louis metro area, offering services such as grease trap cleaning, used cooking oil removal, hydro excavation, exhaust hood cleaning, sewer and drain cleaning, and plumbing repairs. Their team uses advanced cleaning methods to ensure compliance with local and state regulations. Grease Masters operates during regular business hours and aims to schedule work at times convenient for their clients.

Republic Services Landfill in OFallon, MO provides a range of environmental services including food waste recycling for restaurants, grease trap cleaning, used cooking oil recycling, and restaurant waste consulting. The company offers comprehensive waste management solutions and advanced recycling capabilities. With decades of experience, Republic Services also provides 24/7 emergency response and equipment rental and cleaning services.