Covering more miles of pipeline than any other company in its sector

National Inspection Service provides Advanced Ultrasonic Testing services to the Midstream oil and Gas Industry.

  • Pipelines
  • Compressor and Meter Stations
  • Petrochemical and Refinery
  • Production and Process Equipment

Ultrasonic Testing: (Shearwave)

Our ultrasonic shearwave technicians have been trained to meet all industry standards. We utilize digital ultrasonic instruments to detect, size, and map out flaws in various welded components.

Ultrasonic Thickness Testing

Our technicians are all qualified to perform ultrasonic thickness testing on various materials. We utilize Olympus and other credible equipment to determine the thickness of materials.

  • Call National Inspection Service today to request UT services
    Call 1-888-201-4821 ( 24×7)
  • All welds are examined to industry standards including ASME, API and AWS.
  • We provide customers with quick, accurate results on site, with all work being performed in a safe and efficient manner. We value your business!

Contact Us

National Inspection Service is available whenever you need service. Call, Email, or fill out the form below.

NIS, LLC Corporate Headquarters

110 Harold Gauthe Road
Scott, LA 70583
Ph: 337-233-2121

NIS Field Office Hickory, Pennsylvania

4200 Henderson Road Hickory, PA 15340

NIS Field Office Sulphur, Louisiana

1157 Patton St.
Sulphur, LA 70665
Ph: 337-583-7778

NIS Field Office LaPorte, Texas

119 N. Iowa Street
LaPorte, TX 77571
Ph: 346-222-7125

NIS Field Office
Fort Worth, Texas

5251 Pyramid Blvd.
Fort Worth, TX 76126
Ph: 817-297-8338

NIS Field Office
Odessa, Texas

1101 Myrtle St.
Odessa Texas, 79761
Ph: 432-897-2403



Contact Us

National Inspection Services, LLC is a full-service Non Destructive Testing (NDT) company with the proven expertise and resources to handle projects of almost any size. Specializing in radiography examination of conventional land-laid pipelines, we serve the entire Gulf Coast region and beyond -- with multiple locations in Louisiana and Texas.