History
Seaman John Nooter sails from Amsterdam. His experience in high-rigging on sea ships prompts him to take a job as a rigger for John O鈥橞rien Boiler Works in St. Louis.

The John Nooter Boiler Works Company is founded in St. Louis. Profits from painting lead to the purchase of a sheet-metal bending roll, and John Nooter begins fabricating stacks and repairing boilers.
John Nooter Boiler Works Company begins manufacturing their signature horizontal return tubular boilers, a major advancement in industrial heating technology.
NOOTER purchases its first electric welding machine, marking a major step in the evolution of industrial metal fabrication.
John Nooter Boiler Works Company receives the prestigious Army-Navy 鈥淓鈥 Award for excellence in producing tanks for culturing life-saving penicillin and constructing equipment for synthetic rubber, 100-octane gasoline, and explosives industries.
The company plays a critical role in public health by fabricating incubation tanks used in the mass production of the polio vaccine, aiding in disease eradication efforts.
The company constructs one of the nation鈥檚 first polysonic wind tunnels for McDonnell Aircraft Corporation (now Boeing) and fabricates four experimental space capsules for NASA鈥檚 Project Mercury.
The company extends its industrial field service operations to key refinery and industrial hubs, strengthening its national presence.
A massive 13-foot-diameter refinery tower is shipped from St. Louis, breaking records as the largest shipment ever transported by rail from the city.
NOOTER becomes the first company to receive the ASME Division 3 Stamp Accreditation, setting industry standards for high-pressure vessels.
The acquisition of RMF Industrial Contracting expands NOOTER鈥檚 footprint in refinery and industrial construction.
The company successfully revamps an FCCU (Fluid Catalytic Cracking Unit) with over 1 million man-hours, marking one of its most complex projects to date.
NOOTER Construction acquires Amex Construction, expanding its industrial contracting services and renaming it AMEX NOOTER LLC.
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NOOTER rebrands its subsidiaries, AMEX NOOTER and RMF NOOTER, under the singular NOOTER brand, streamlining operations.
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A new Utilities Services Group is formed to support utility distribution assets and emergency electrical restoration.
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NOOTER expands its industrial and refinery services with the acquisition of PP&L Mechanical Contractors.