Countywide Septic Service is a family-owned business serving Frederick, MD, and surrounding counties including Montgomery and Carroll. They provide septic system cleaning and maintenance for both residential and commercial customers. Their certified technicians use advanced equipment to ensure septic systems operate efficiently. Services include septic tank cleaning, grease trap cleaning, pumping, baffle inspections, and septic tank locating. The company has been operating for over 30 years and offers emergency service as well.

Key City Compost, now part of Compost Crew as of 2024, offers food waste and composting services for restaurants and other commercial clients in Frederick, MD. They provide tailored food waste recycling solutions to help organizations meet sustainability goals across the DMV area. Customers can also purchase compostable products and nutrient-rich compost and soil blends for various gardening needs.