Household Hazardous Waste Disposal provides a collection center in Rancho Cucamonga, CA, for residents of San Bernardino County to safely dispose of household hazardous waste. The center accepts items such as used motor oil, filters, antifreeze, paints, cleaning products, cooking oil, propane tanks, batteries, and sharps. It operates on Saturdays with specific hours and observes closures during holidays and inclement weather. The service excludes business waste and certain hazardous materials like explosives and radioactive waste. The program also offers free used motor oil containers and mulch made from collected green waste during operating hours.

Restaurant Technologies is a used cooking oil collection company based in Garden Grove, CA. They provide an automated system for bulk cooking oil delivery, filtration, and recycling designed to improve safety and efficiency in commercial kitchens. Their Total Oil Management system includes installing tanks connected to fryers for fresh and waste oil, allowing automatic oil handling without manual labor. The company operates a depot in Los Angeles and serves businesses in the area with sustainable oil solutions that reduce hazards associated with traditional oil management.

CR & R Inc provides food waste and composting services for restaurants in La Mirada, CA. The company focuses on sustainable solid waste and recycling solutions, operating advanced materials processing centers and using alternative fuel vehicles to reduce environmental impact. With over three decades of experience, CR & R Inc has developed a state-of-the-art anaerobic digester to process organic waste and produce renewable natural gas, supporting cleaner air and greener practices in the region.