gulf coast · US

NDT Services in Houston, TX

Operators in Houston, TX run NDT scopes against a tight set of compliance expectations. The industrial mix here — petrochemical refining, offshore oil and gas, lng export, port operations — pulls inspection work toward API 510 / 570 / 653, ASME Section VIII / IX / XI, BSEE for offshore, which means a contractor needs documented Level II/III currency, traceable instrument calibration, and on-call ASNT-recognised method coverage before the first survey starts.

Turnaround season in Houston compresses every NDT contractor's calibration and certification window — losing a Level II UT tech to an expired cert can cost a six-figure shift.

Find Inspectors in Houston Post a Service Request

Industries

Named facilities

Labour band

Code authorities

Local NDT context in Houston

On the ground in Houston, that translates into recurring scopes at ExxonMobil Baytown Refinery, LyondellBasell Channelview Complex, Port of Houston and the surrounding plant fence-line. NDT Connect surfaces certified Houston inspection providers who already work to API 510 / 570 / 653 acceptance criteria, have current calibration chains-of-custody on their UT thickness gauges and PAUT units, and can mobilise within the gulf coast turnaround window.

Verified inspectors

ASNT Level II / III on file before mobilisation

Parallel quotes

Post a scope, receive quotes in hours not days

Code coverage

API 510 / 570 / 653 · ASME Section VIII / IX / XI

Local crews

Based in Houston and the wider gulf coast

Industries we cover in Houston

Houston's industrial substrate is the reason NDT contractors here run multi-method programs rather than single-discipline benches. Each block below maps an industry to a named local asset so you can see how the scope actually shows up on a site.

Petrochemical refining

Petrochemical refining work in Houston centres on assets like ExxonMobil Baytown Refinery (Refinery). Inspection cadence here is driven by API 510 / 570 / 653 and reinforced by site-specific pre-job qualification matrices — keeping NDT records audit-ready is a continuous, not annual, exercise.

Offshore oil and gas

Offshore oil and gas work in Houston centres on assets like LyondellBasell Channelview Complex (Petrochemical). Inspection cadence here is driven by API 510 / 570 / 653 and reinforced by site-specific pre-job qualification matrices — keeping NDT records audit-ready is a continuous, not annual, exercise.

LNG export

LNG export work in Houston centres on assets like Port of Houston (Port). Inspection cadence here is driven by API 510 / 570 / 653 and reinforced by site-specific pre-job qualification matrices — keeping NDT records audit-ready is a continuous, not annual, exercise.

Port operations

Port operations work in Houston centres on assets like Shell Deer Park (Refinery). Inspection cadence here is driven by API 510 / 570 / 653 and reinforced by site-specific pre-job qualification matrices — keeping NDT records audit-ready is a continuous, not annual, exercise.

Named operators and facilities served

ExxonMobil Baytown Refinery

Refinery

LyondellBasell Channelview Complex

Petrochemical

Port of Houston

Port

Shell Deer Park

Refinery

Cheniere Sabine Pass LNG (regional)

LNG export

Codes, standards and regulators that drive NDT in Houston

Method selection, acceptance criteria, and audit retention in Houston are written against the following authorities. Inspectors mobilising here should expect to be checked against each of them.

API 510 / 570 / 653

ASME Section VIII / IX / XI

BSEE for offshore

TCEQ for environmental

NDT methods available in Houston

Each method links to the city-specific technique brief. All listed inspectors on NDT Connect work to ASNT SNT-TC-1A as a baseline and reference ASME Section V for procedural acceptance.

Ultrasonic Testing

Wall-thickness, weld and pressure-equipment inspection per ASME Section V and API 510/570/653.

UT in Houston

Radiographic Testing

Film and digital RT for new construction and in-service welds per ASME Section V and API 1104.

RT in Houston

Magnetic Particle Testing

Surface and near-surface crack detection on ferromagnetic welds per ASTM E709 / E1444.

MT in Houston

Liquid Penetrant Testing

Surface-breaking flaw detection on non-porous materials per ASTM E165 / E1417.

PT in Houston

Visual Testing

Code-required visual inspection per AWS D1.1, ASME Section V and API 510 / 570 / 653.

VT in Houston

PAUT

Phased Array Ultrasonic Testing

Encoded, imaged weld inspection per ISO 13588 and ASME Section V Mandatory Appendix.

PAUT in Houston

View all NDT methods

Industry-specific NDT in Houston

Each industry sector in Houston has its own inspection codes, asset types, and certification requirements. These deep-dive pages cover methods, codes, and day rates specific to each sector.

RefiningPetroleum Refining NDTUT/PAUT · RT · MT/PT · industry codes & rates Oil & GasOil & Gas Exploration and Production NDTUT · PAUT · MT · industry codes & rates

Frequently asked questions — NDT in Houston

Which NDT methods are most in demand in Houston?

Petrochemical refining and Offshore oil and gas operators in Houston drive demand for ultrasonic testing (UT), phased array UT (PAUT), radiographic testing (RT) and magnetic particle testing (MT). Method selection at sites like ExxonMobil Baytown Refinery is dictated by API 510 / 570 / 653 acceptance criteria.

What certifications should NDT inspectors in Houston hold?

At minimum, ASNT SNT-TC-1A Level II in the requested method, with a Level III on file for procedure qualification. Contractors working at LyondellBasell Channelview Complex typically also need site-specific safety induction and documented currency under API 510 / 570 / 653 / ASME Section VIII / IX / XI.

How fast can I get an NDT crew on site in Houston?

Local providers in Houston, TX can typically mobilise within 24–72 hours for routine in-service inspections. Turnaround windows, emergency call-outs, and outage support are negotiated against current crew rotation — post the scope to NDT Connect to receive parallel quotes.

Which codes and standards apply to NDT work in Houston?

Work in Houston most often references API 510 / 570 / 653; ASME Section VIII / IX / XI; BSEE for offshore; TCEQ for environmental. Method-level acceptance criteria are pulled from ASME Section V, ASTM E-series (E165, E709, E1444), and AWS D1.1 depending on the asset and service.

Do inspectors in Houston cover advanced methods like PAUT and TOFD?

Yes. The gulf coast contractor pool serving Houston includes providers with phased-array ultrasonic testing (PAUT) and time-of-flight diffraction (TOFD) capability for critical weld scopes — both encoded and compliant with ISO 13588 / ISO 10863.

How are NDT inspection records handled in Houston?

Audit-grade record-keeping is the operational pain in Houston. NDT Connect providers issue instrument-level calibration certificates, traceable Level II/III sign-off, and digital scan packages that survive API 510 / 570 / 653 audit cycles.

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Also serving nearby cities

The same Houston-based providers routinely mobilise to neighbouring industrial corridors. Click through for the local NDT brief.

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Verified Houston, TX Inspection-Market Data

Hard numbers from BLS, EIA, AAPA, Census & API directories — anchoring this page to Houston, TX's actual NDT market, not a generic template.

Local Wage Anchor — Level II NDT Technician: $84K/yr typical for Houston, TX
Metro Industrial Base: 7.3M people in Houston-The Woodlands-Sugar Land MSA
Sector Mix (NDT Demand Drivers): Petrochemical Refining (38%) · Offshore Oil & Gas (18%) · LNG Export (10%)
Refinery Inventory: 3+ refineries · ~1.5M bpd combined capacity — Baytown Refinery (ExxonMobil), Galveston Bay (Marathon), Deer Park (Shell/Pemex)
Port / Marine Workload: Port of Houston (275M short tons, #2 US)
Active API-Certified Inspectors (regional): ~2K API 510 · ~2K API 570 · ~1K API 653
ASNT Chapter / Community: Houston Section ASNT (founded 1965, 800+ members, largest US section)
Cost-of-Living Impact on Rate Cards: COL index 95.4 (4.6 pts below national avg) · transport surcharge band: low

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