Company Profile

Three Sigma Mfg., Inc. is a supplier of precision machined products.

Our 18,000 square foot facility in Kent, Washington houses a variety of machinery including 3-, 4-, and 5- axis CNC Mills, CNC Lathes, CNC Grinders, Wire EDMs, Deep-Hole Drills, and Inertia Welding equipment.

Our high-end CAD/CAM capability allows us to utilize customer-supplied computer models, or, if required, construct our own and then generate the required CNC cutter paths.

Our Approach

We take a comprehensive approach to meeting your manufacturing needs, integrating a dedication to excellence with our broad range of machining capability.