Established in 1944, SPL was one of the first major suppliers to service the exploration and production, petrochemical, refining, pipeline and retail markets with petroleum and environmental testing services. Today, SPL is recognized globally as an industry leader in hydrocarbon production measurement, analysis, reporting, and project management services. The company has performed work throughout the United States as well as international markets that include the China Sea, Kuwait, Libya, Mexico, Peru, Saudi Arabia, and Yemen.