More than just a company — your quality partner.
NDT Inspection & Consulting
STI provides NDT Inspection, Testing, & Craft Inspection Services with unparalleled customer satisfaction through our commitment to quality, safety, training, and technology. STI’s technicians are fully trained and certified in accordance with SNT-TC-1A. Leveraging our industry knowledge and experience, STI maximizes the value of customer assets while reducing costs. With a proven track record, we pride ourselves on delivering unmatched levels of service quality and accuracy through experience, safety practices and integrity.
OCTG Solutions
STI delivers reliable in-house and on-site inspection services for all downhole tubular goods in the oil and gas industry.
Consulting & Testing
STI’s Consulting and Testing division specializes in Radiographic Testing, Conventional NDT, and Craft Inspection Services.
Markets We Serve
STI supports clients across the United States in a variety of critical markets to maximize the productivity of their assets and the safety of operations.

Oil & Gas

Plants & Refineries

Chemical

Maritime

Fabrication & Construction

Pipelines
About Us
STI has earned a reputation as a leading provider of Non-Destructive Testing and Inspection Services for the following industries:
Oil & Gas Upstream, Midstream and Downstream
Construction and Fabrication