American Trading Service Inc

Q-Dog is your local, dependable heating oil and propane delivery company. With our own on-site storage facility, we can handle even the largest fuel deliveries. Our service area includes Calvert, Charles, St. Mary's, Anne Arundel, and Prince George's counties in Maryland. Our drivers are trained to deliver your fuel safely and professionally, and we take pride in our record of on-time fuel deliveries.

Maintaining operations in Halethorpe, Md., Tate Engineering Systems is a diversified technologies company providing representation, distribution, integration, installation, repair and service of mechanical equipment and systems for customers in the mid-Atlantic region of the United States. The company specializes in the design, engineering, fabrication and assembly of customized systems. Utilizing components drawn from Tate's core product lines, including boilers, compressors, filters, pumps and instruments. Founded in 1924, Tate s primary customers include the commercial, industrial, building trades, institutional, utilities, water and wastewater, local and federal government and military industries.

Quality. Integrity. Response. It isn't just a slogan -- it's way we do business every day! Tevis Energy is truly unequaled in its ability to deliver quality heating oil, propane, diesel and gasoline to thousands of residential and commercial customers throughout Central Maryland and South Central Pennsylvania. Residential customers enjoy superior service at competitive prices, along with Price Protection plans, Flexible Payment Options, Online Account Management and Referral programs. Commercial Fueling customers receive accurate, dependable diesel and gasoline deliveries to your on-site fuel tanks or fleet. Call Tevis today! Walk-in Office Hours are 8am-4pm M-F; available 24/7 for emergency service.