Best NDT Companies in Illinois
Illinois has one of the largest nuclear power fleets in the United States — operated by Exelon (now Constellation Energy) — making the state a major market for ASME Section XI in-service inspection, PDI-qualified UT services, and NQA-1–compliant inspection organizations. Chicago and the surrounding industrial corridor also support significant manufacturing NDT demand, particularly for the food and beverage equipment, construction machinery, and transportation equipment sectors. Illinois's extensive rail and highway infrastructure, including the Chicago area's critical role as the nation's railway hub, creates ongoing demand for structural steel weld inspection, bridge NDT, and rail inspection services.
Why these suppliers?
- ✓Illinois's nuclear fleet — the largest in the U.S. at eleven operating reactors — creates the deepest concentration of nuclear-qualified NDT companies, PDI-qualified technicians, and NQA-1 inspection service organizations of any state outside the Southeast.
- ✓Chicago's manufacturing base — from food equipment to railway cars to construction machinery — provides NDT companies with broad manufacturing inspection experience and ISO 9001–integrated quality programs.
- ✓Illinois NDT companies serving Chicago's transportation and infrastructure sector have specialized experience in rail inspection (UT axle and wheel inspection, rail testing), bridge structural assessment, and high-density urban access conditions.
449 verified suppliers found
Bartech Precision Machining Company is ISO 9001:2015 Certified and fabricates a comprehensive range of close tolerance component parts from steel, aluminum, stainless, titanium, brass, copper and plastic.
Machine shop St. louis services including manual milling and turning along with complete weld fabrication shop.
Bear Machine Tool & Die Inc. is a machine shop that services customers across the United States, Canada, Mexico, and Brazil. Through the decades our capabilities have continued to grow as we offer services to a wide range of industries including construction, manufacturing, packaging, food, medical and supply chains.
9100 (9001:2015) certified. Certification body: Amtivo (USA), Inc.. Structure: Single Site.
Benchmark Fasteners provides services, including CNC machining, turning and milling, as well as precision machine work. Benchmark Fasteners meets and exceeds customers' CNC precision machine parts expectations through its personalized approach and flexible capabilities.
Blackhawk Machine Products | CNC Milling, CNC Turning Gear Hobbing, Precision OD Grinding, Thread Milling, General Machine Work
BOS Machine provides machine repair and rebuilding services for CNC, turning machines, presses & press brakes. Home of Kemco Portable Machining services.
Precision Automated Machine Tool Solutions from Bourn & Koch, the leader in gear manufacturing, precision grinding, and specialty machines.