Mahoney Environmental Restaurant Cooking Oil Recycling is a used cooking oil collection company based in Washington, DC. They specialize in collecting used cooking oil from restaurants to support environmental sustainability and waste reduction. The company focuses on improving both business efficiency and environmental impact through responsible oil recycling.

Zoom Drain is a drain and sewer service provider based in Baltimore, MD, serving both residential and commercial clients in Baltimore and surrounding areas including Annapolis, Glen Burnie, Towson, Aberdeen, Dundalk, and Ellicott City. They specialize in drain cleaning, sewer repairs, grease trap maintenance, and sump pump repairs. The company is known for replacing sewer lines and addressing complex plumbing issues with advanced tools and tailored maintenance plans. Zoom Drain has been operating since at least 2017 and offers services designed to keep plumbing systems functioning efficiently and prevent costly repairs.