The Latest Technology.
The Highest Standards.

The Latest Technology.
The Highest Standards.

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Our Services
NIS has some of the most experienced professionals in the midstream oil and gas industry. Our work is trusted by hundreds of companies throughout the United States.
ULTRASONIC TESTING
Advanced Expertise
National Inspection Service provides Advanced Ultrasonic testing services to the Midstream oil and Gas Industry.
RADIOGRAPHY TESTING
Core Service Provided BY NIS
Radiography examination of conventional land-laid pipelines is the core business of National Inspection Services.
MAGNETIC PARTICLE TESTING
WHEN X-RAY IS NOT AN OPTION
The Magnetic Particle Testing process is ideal for testing large machinery and other materials that cannot be tested with x-rays.
PHASED ARRAY ULTRASONNIC TESTING
MOST ADVANCED TECHNIQUE USED
Phased Array Ultrasonic Testing is the most advanced ultrasonic testing technique in the industry. In many instances, phased array testing may be used in place of radiography.
POSITIVE MATERIAL IDENTIFICATION
portable for easy use in the field
PMI is commonly used on old pipes and metal parts to determine exact composition of the material so that welders can safely and effectively work on the metal.
PENETRANT TESTING
TAILORED TO FIT OUR CUSTOMERS NEEDS
For Penetrant Testing, we offer a variety of LPT procedures including visible, fluorescent, water washable and solvent removable processes to meet our customers’ specific needs.
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
Fort Collins, Colorado
1611 E Lincoln Ave
Unit F
Fort Collins, CO 80524
Ph: 970-682-2721
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, Texas and Colorado.