Hard Turning • Certified Welding • Honing • EDM • Precision Machining
Full Inspection Reports • SPC Capabilities • Grinding (Surface, Cylindrical, Centerless)


  • commercial medical machining

  • Medical Instruments and Equipment

  • Custom-designed Machinery

  • Valves and Valve Bodies

  • Assemblies

  • Punch and Dies

  • Gears and Power Transmission Systems

  • Testing Fixtures

  • Molds

Colonial's success in the Commercial and Medical industry is attributed to our cell and demand flow manufacturing process. This process is used on every job regardless of lot size. Each order is reviewed to determine the most cost effective way to produce the part which allows us to be very competitive on price and reduce through-put time resulting in the fastest possible delivery.


  • aerospace machining

  • 304 and 17-4 PH Stainless

  • Hastelloy

  • Stellite

  • Aluminum Alloys

  • Titanium

  • Inconel



Aerospace contractors rely on Colonial to provide the design assistance and precision machining that their rigid tolerances require to ensure the high performance characteristics designed into aircraft and weapons systems. Our people know how to work with advanced materials.


  • nuclear machining

  • Section III, Class I Work

  • Fuel Handling Equipment

  • Charging Pump Blocks

  • Plungers

  • Replacement Parts

  • Valves and Valve Bodies

  • Individual Parts or Complete Assemblies

  • R&D Manufacturing

Nuclear power plants place demands on machinery that call for the highest levels of accuracy and reliability. That's why contractors of commercial nuclear power trust Colonial with their toughest machining challenges. Whether you need design assistance, modifications to speed manufacturing and cut defects, or regular runs of multiple replacement parts, you can count on Colonial.