InterSpec, LLC is a Native American owned small business enterprise and a major provider of API-653, API-570 and API-510 inspection services. We are committed to provide exemplary engineering and inspection services for individual, government, and industrial storage facilities. InterSpec is proud to be one of America’s leading full-service tank and pipeline testing, inspection, and maintenance service companies. Our inspectors and engineers have decades of experience; and in fact, many of these inspectors were certified through API’s initial certification process.