12197 verified suppliers listed

Best NDT Companies in Texas

Texas is the largest market for non-destructive testing services in the United States, driven by the world's highest concentration of oil refineries, petrochemical plants, pipeline infrastructure, and offshore platforms along the Gulf Coast. NDT companies in Texas serve the full inspection lifecycle — from new construction weld inspection to in-service pressure vessel and piping assessment under API 510, API 570, and API 653. The state's industrial density also supports aerospace NDT in the Dallas-Fort Worth and Houston corridors. Whether you need UT, RT, MT, PT, or phased array inspection, Texas has the largest and most experienced NDT workforce in the country.

Why these suppliers?

  • Texas hosts more oil refineries, chemical plants, and pipeline assets than any other U.S. state — NDT companies here have unmatched experience with API inspection standards and the regulatory environment of petrochemical facilities.
  • Gulf Coast NDT companies are practiced in offshore and coastal inspection environments, including marine vessel inspection, offshore platform NDT, and corrosion monitoring under challenging access and environmental conditions.
  • The DFW and Houston aerospace corridors support Nadcap-accredited NDT companies serving Boeing, Bell, and defense supply chains — giving Texas a depth of aerospace NDT capability alongside its industrial inspection base.

979 verified suppliers found

Lago Vista, Texas

Specialty Machine has been in business for over 50 years. We ensure that your project is delivered on time, every time, with the highest quality workmanship.

+1 512-267-4944Website
Fort Worth, Texas

9100 (9001:2015), 9110 (9001:2015), 9120 (9001:2015) certified. Certification body: ISOQAR. Structure: Single Site.

817-607-8804Website
Kennedale, Texas4.0(2)

Stallion Machine Shop LLC is a CNC machine shop that provides many machining services. Metal machining, cnc machining, cnc milling, cnc turning, precision machining on cnc lathes and cnc mills. We are located in the Dallas, Fort Worth Texas area.

+1 817-572-1025Website
Haltom City, Texas4.8(11)

Engine machine shop servicing diesel, propane, gas and all types cylinder heads. Resurfacing, magnafluxing, valve jobs, pressure testing.

+1 682-707-2822Website
Longview, Texas

Standard Tool Machine Shop is a machine and fabrication shop located in Longview, Texas, providing quality machining, welding and fabrication capabilities that service a wide variety of industries and applications.

+1 903-291-1900Website
Conroe, Texas

Houston's best in CNC machinery repair and service.

+1 713-408-7676Website

Frequently Asked Questions

What NDT certifications should a Texas inspection company have for oil & gas work?
For pressure vessel inspection, look for API 510 (Pressure Vessel Inspector) certification. For piping inspection, API 570 (Piping Inspector). For aboveground storage tanks, API 653. For pipeline welding inspection, API 1104. ASNT Level II or III certifications for specific methods (UT, RT, MT, PT) are baseline requirements for all technicians. Companies serving regulated facilities should also carry OSHA process safety management (PSM) compliance experience.
What NDT methods are most in demand in Texas?
Ultrasonic Testing (UT) and Radiographic Testing (RT) dominate for weld inspection and thickness measurement in oil & gas. Advanced methods like Phased Array UT (PAUT) and Time-of-Flight Diffraction (TOFD) are increasingly required for high-consequence pipeline and pressure vessel work. Magnetic Particle Testing (MT) and Liquid Penetrant Testing (PT) are widely used for surface inspection. Eddy Current Testing (ET) is common for heat exchanger tube inspection in refineries.
How do I qualify an NDT company in Texas for a petrochemical facility inspection?
Verify that individual technicians hold current ASNT SNT-TC-1A or NAS 410 certifications for the required methods and levels. Confirm the company's written practice covers the inspection procedures you need. Check for API certification for inspectors performing pressure vessel, piping, or tank assessments. For safety-critical work, request a qualification package including certifications, calibration records for equipment, and recent procedure qualifications. Many major facility operators also require a pre-qualification audit or approved vendor list (AVL) submission.

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