Engineering Integrity.
Inspecting with Purpose.
Full-service inspection, NDT, and engineering delivered by one team, from one company. Mobilized fast, delivered on time, every time.
A Single Source for
Asset Integrity
Founded in 2014 and headquartered in Pasadena, Texas, Tier 1 Integrity has grown from a focused NDE provider into a 200+ person firm delivering inspection, NDT, mechanical integrity, engineering, tank integrity, rope access, and asset integrity management - all under one roof.
Our clients choose us because we combine deep technical expertise with the responsiveness and accountability of a privately held company.
We show up prepared. We execute safely. And we stand behind every report we deliver.
Learn More About UsComplete Inspection, Testing &
Engineering Services
One team, one point of contact, one standard of quality - so you never have to coordinate multiple contractors.
NDT & Advanced NDT
RT, UT, MT, PT, PAUT, TOFD, corrosion mapping, eddy current, and PMI - conventional through cutting-edge techniques to find what others miss.
API Inspection Services
API 510, 570, 653, and 936 certified inspectors for pressure vessels, piping, tanks, and coatings. RBI programs, CUI management, and vendor surveillance.
Mechanical Integrity Programs
Full MI program development, PSM compliance, gap analysis, nested inspection teams, and QA management - your mechanical integrity department, outsourced.
Eddy Current
Dedicated EC division covering heat exchanger tubing programs, surface crack detection, condenser inspections, and tube mapping.
Tank Integrity
API 653 inspections, robotic in-service assessments, settlement surveys, and 3D laser scanning.
Engineering
Fitness-for-Service evaluations, damage mechanism reviews, equipment re-rates, and IOW development.
Rope Access
Scaffold-free access for inspection, NDT, coating, and maintenance at elevation.
Asset Integrity Management
End-to-end AIM programs - IDMS implementation, RBI, inspection planning, and data management.
What our clients
count on.
1,000,000+ Hours. Zero Recordables.
Our behavior-based safety program earned the IBR Safety Excellence Award (Silver). Safety isn't a policy binder on a shelf - it's how our people operate every single day on your site.
One Call. Full Mobilization.
From a single tech to a 50-person turnaround crew, we deliver the complete range of inspection, testing, and engineering services. One team, one point of contact, one standard of quality.
Enhanced Response.
We respond quickly to customer needs with reliable mobilization and fast turnaround on reports. When your unit needs support, we move.
Core Values
Professionalism
We hold ourselves accountable as professionals at all times.
Integrity
We conduct ourselves to the highest standards in every interaction.
Trust
Built every day by doing exactly what we say we're going to do.
Commitment
Personal responsibility for excellence and quality in everything we deliver.
Teamwork
We rely on each other for mutual success.
Respect
We recognize the value of customers, partners, and team members.
6 Offices Across the Gulf Coast & Beyond
Pasadena, TX (HQ) · Beaumont, TX · Freeport, TX · Port Lavaca, TX · Mobile, AL · Puerto Rico
Ready to Mobilize?
Whether it's a turnaround crew, a nested API inspector, or a full mechanical integrity program - tell us what you need and we'll get it done.