AWS, ASME, API, ICC and More.

Certified Welding Inspections

Welding Procedure Specification (WPS)

Procedure Qualification Record (PQR)

Welder Performance Qualification Record (WPQR)

Fluorescent Magnetic Particle Testing (FMT)

Visible Magnetic Particle Testing

Fluorescent Dye Penetrant Testing (FPT)

Visible Dye Penetrant Testing

With the NDT Lab Trailer, Big Ridge can provide you with the most complex inspections right at your facility. You no longer need to worry about shipping your widgets anywhere else for inspection, as our mobile inspection allows us to perform FMT and FPT on your widgets at your site.

This eliminates the risk of items being lost or misplaced during shipping. The NDT Lab Trailer is perfect for inspecting small-large batches of machined parts.

We have the ability to clean, inspect, and report our findings in a controlled environment.

Ultrasonic Testing

Phased Array Ultrasonic Testing

Wire Rope Inspection

ICC Bolting

Big Ridge offers UT training and education for individuals interested in the profession. We focus on fundamentals, and what it takes to get started. Big Ridge utilizes the Sonatest Wave to give beginners and experts the best training possible.

Our inspectors are MSHA Underground Miner certified.

We have provided the first of it’s kind, phased array ultrasonic inspections on shaft guiderails in some of the deepest shaft mines in North America.

Big Ridge personnel have experience in Dams located across the Inland Northwest. We can provide onsite services including Certified Welding Inspections, Non-Destructive Testing and Pipe Mapping.

Big Ridge works closely with owners representatives and contractors on multi-level vertical construction.

Schools, Hospitals, Industrial Facilities, Data Centers and Precast Buildings.
We’ve done it all.

Big Ridge provides a variety of services for fabrication facilities in the region.

Our experienced inspectors have worked on the most cutting edge waste water treatment facilities in the Inland Northwest.