Quarles Energy Services

Established in 1942, Rockingham Petroleum is as an agricultural cooperative. Located in Harrisonburg, Va., the company serves more than 15,000 customers throughout Virginia and West Virginia, providing reliable energy products. Rockingham Petroleum offers a variety of products, such as petroleum/lubricant, heating/cooling, water heaters, gas powered lighting and home/hearth. The company renders services that include equipment maintenance and repair, installations, fuel delivery service and small tank refill stations. Rockingham Petroleum provides brands, such as Mobil Oil, Lexington Forge, Legendary Lighting and Lennox, among others.

Holtzman Oil provides a range of fuels, including home heating oil and kerosene for residential, commercial and agricultural customers. The company offers wholesale and commercial delivery services. Holtzman Oil maintains a fleet of tankers that provides 24-hour delivery services for bulk fuels. It provides low sulfur diesel, gasoline, fuel oil, biodiesel, and dyed and clear kerosene. The company also offers ultralow sulfur diesel and heavy oils. Holtzman Oil provides a variety of payment options. It offers the Holtzman Fuel Card system for retail customers. The company is owned and operated by Holtzman Corporation, which provides a range of petroleum products. Established in 1972, Holtzman Corporation is a family-owned business that operates several offices and petroleum facilities in Virginia.