who makes tanks for the oil fields
Stewart Tank Company & Oilfield Supply Inc. Stewart Tank Company & Oilfield Supply, Inc. is one of the leading providers of oil field services and equipment in the state of Texas. For over 35 years, we have manufactured API-certified steel storage tanks and other oilfield equipment to fulfill the needs of the oil and gas industry. We also stock a variety of high quality fiberglass tanks and build specialty separator tanks according to customer specifications.