Clark Welding Service, established in 1991 by john r. Clark, jr. Is a steel fabricator and manufacturer, specializing in above ground storage tanks, fueling systems and products for the petroleum industry. In the 1970s and 1980s, john oversaw strip mining operations in the coal industry, owned a fleet of coal trucks and operated heavy equipment. John and his employees have spent the past 25 years at clark welding service providing services and consultations for fuel suppliers and end users. On-site exposure has enabled clark welding service to develop a full-line of above ground storage tanks and accessories, which are designed to be user friendly and effective at spillage prevention, giving the fuel suppliers and end users a peace of mind.