Leigh & Sons Liquid Waste Removal is a liquid waste removal company serving Washington, DC, and the surrounding Maryland counties. Founded in 1985, they specialize in septic tank maintenance, grease trap cleaning, and holding tank services. The company uses state-of-the-art equipment to ensure safe and efficient disposal of liquid waste. As an owner-operated business, they emphasize honesty, quality, and quick response times.

Key City Compost, now part of Compost Crew as of 2024, provides food waste recycling and compostable product services in Frederick, MD. They offer commercial food waste recycling tailored to businesses throughout the DMV area. Customers can also access premium compost and soil blends for gardening needs.