Manufactures and sells commercial rooftop air conditioning, heating and heat recovery equipment and air-conditioning coils for the commercial and industrial new construction and replacement markets. (Nasdaq: AAON).

Provides commercial aircraft, instrumentation and services for complex test and measurement applications.

Industrial Propeller Fans and Air Moving Products.

Can bend up to 42" O.D. pipe, as well as bending and coiling varying sizes of large and small O.D. pipe of any shape or material. square and finned tubing of virtually all materials

Manufacturer of industrial engines and related products including generator sets and chemical pumps.

Industrial air intake and exhaust prefilters and filters cartridges providing barrier filtration for gas turbine and other industrial applications.

Exhaust and Inlet Systems for gas turbine power generation systems. Also, shielding rooms, RF enclosures, and anechoic chambers.

Manufacturer of corrosion resistant nexus reinforced filament wound single and double containment fiberglass pipe, fittings, valves, strainers, and complete frp piping systems.

Design manufacturing of Industrial and Commercial Electric Heating Elements For Injection Molding, Extruding, Blow Molding, Packaging.

Distributor specializing in instrumentation, controls and UPS systems. Includes brand list and contact information.

Provides drive shafts to industries such as construction equipment, paper processing, food processing, material handling, transportation, energy systems, agricultural, steel mills, bottling and marine.

SolidWorks, EdgeCAM and CosmosWorks solutions provider. Represent Solids Modeling, CNC Programming, Finite Element Analysis, reverse engineering, rapid prototyping and CAD Drafting systems.

Steel processing and fabrication including: Hidey Hole tornado shelters, custom plate and plasma cutting, forming, welding, fabrication; for vessel, heater, and air exchanger industries.

Printed Circuit Board Manufactur er.

Designs and builds shell and tube heat exchangers, primarily for the petroleum refining and petrochemical industries. Gallery and company background included.

Manufacturers industrial patterns, forging dies and wax investment molding.

A full service plating company, servicing and supporting the manufacturing community. Services include precision prime and paint, large capacity silver, electroless nickel departments and high quality metal finishing.

Refinery heater and furnace fabricator.

Provider of coating for corrosion protection for fabricated steel products.

Design and equipment for Metal Recycling systems.

Manufacturer of Powdered Metal Parts Including Gears, Cams, Couplers, Bushings.

Manufacturer of Manual Valve Operating Systems.

Designer and manufacturer over 300 new heaters in all types of services including Hot Oil Heaters, and Reformer Waste Heat Recovery Units.

Manufacturer of processing machinery for wire and cable.

Tube and pipe bending and forming including helical pipecoils, spiral coils, J fittings, tube rolling and fabrication services.

Supplier of winches and speed reducers.