Fertile Ground Cooperative in Oklahoma City, OK, offers food waste recycling services for restaurants as well as residential and commercial composting and recycling. They support local communities including Nichols Hills, Moore, and Norman with collection systems and zero-waste event assistance. The cooperative also provides landscaping products like compost and mulch and offers sediment and erosion control solutions. Fertile Ground focuses on helping businesses and residents move toward zero waste through educational programs and community initiatives.

Liquid Environmental Solutions is a non-hazardous liquid waste management company based in Oklahoma City, OK. They serve restaurants, grocery stores, and convenience stores with food waste recycling, grease trap and interceptor cleaning, and used cooking oil collection. The company recycles 97% of the food waste they collect and offers services to help keep operations safe, sanitary, and compliant. Founded over twenty years ago, Liquid Environmental Solutions has developed expertise and modern equipment to support environmental stewardship and sustainability.

January Environmental Services Inc is a smart waste management equipment and technology vendor based in Oklahoma City, OK. Serving clients across North America since 1952, the company specializes in responsible non-hazardous and hazardous waste disposal, including used and waste oil recycling. They use advanced technology and customized equipment to efficiently collect, transport, and process waste, emphasizing eco-friendly and compliant practices. January Environmental Services Inc operates 24/7 to support its clients' environmental needs.

OSI Environmental Inc is a smart waste management equipment and technology vendor based in Oklahoma City, OK. Serving clients throughout the central corridor of the United States since 1988, the company offers environmental, recycling, and disposal services. They are known for their patented Still Clean solvent recyclers, which focus on waste reduction and solvent reclamation. OSI Environmental has recently become part of GFL Environmental Services, continuing their established service quality.

Brooks Grease Services is a family-owned company based in Oklahoma City, OK, specializing in cooking oil recycling and grease trap cleaning for restaurants. Serving the Midwest and surrounding areas since 1957, they operate a fleet of trucks to provide these services across multiple states. The company offers 24/7 emergency support and is licensed and insured.