Certified Personnel who ensure the highest level of quality in Non Destructive Testing Industry.

Proven Expertise

National Inspection Services offers one of the most experienced and knowledgeable teams in the NDT industry. Our personnel are not only certified to ASNT’s recommended practice, we also assess and certify our employees through Veriforce and ISNetworld for OQ requirements to ensure the highest level of quality in our work.
NIS is also supported by four in-house ASNT Level III personnel who bring a wealth of experience and proven expertise to our customers. In addition, NIS maintains Evaluators and Master Trainers on staff.

Typical Projects

  • Pipeline (new construction – inspection)
  • Pipeline (expansions and repairs)
  • Processing Plants
  • Compressor Stations
  • Meter Stations
  • Flow Lines
  • Fabrication Facilities

Hands-on Experience

Over the years we have gained an incredible amount of hands-on experience while performing projects for numerous major oil & gas clients across the region. We have also amassed an impressive project portfolio including a variety of large-scale jobs that NIS has successfully completed.

We invite you to contact us for your next NDT project – and find out for yourself how our highly experienced personnel can benefit 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.