Machine shop
Checked Oct 8, 2026
Washington Machine Works
Seattle, WA · prototype to low volume
Certifications · select one to see where it is stated
Where each detail comes from
- Processes · Machining
“Our full-service machine shop can machine most any part you need.”
washingtonmachineworks.com - Processes · Boring
“boring, drilling, milling, tapping, turning and reaming services”
washingtonmachineworks.com - Processes · CNC turning
“turning up to 16 feet in diameter and milling of very large parts”
washingtonmachineworks.com - Processes · CNC milling
“CNC milling up to 64" x 40" x 32"”
washingtonmachineworks.com/new-equipment-list - Processes · Drilling and tapping
“Drilling, reaming and tapping of very large and close tolerance holes”
washingtonmachineworks.com/new-equipment-list - Processes · Fabrication
“We worked with our customer and local partners to fabricate and machine this large weldment”
washingtonmachineworks.com - Processes · Welding
“can provide one-stop service for one-off fabrications that include welding, metal forming, gear cutting”
washingtonmachineworks.com - Processes · Gear cutting
“can provide one-stop service for one-off fabrications that include welding, metal forming, gear cutting”
washingtonmachineworks.com - Processes · Heat treating
“gear cutting, splining, heat-treatment, sandblast, and powder coating”
washingtonmachineworks.com - Processes · Blasting
“gear cutting, splining, heat-treatment, sandblast, and powder coating”
washingtonmachineworks.com - Processes · Powder coating
“gear cutting, splining, heat-treatment, sandblast, and powder coating”
washingtonmachineworks.com - Processes · Prototyping
“As a job shop we excel at one-offs, short-runs, prototypes and emergency repairs.”
washingtonmachineworks.com - Processes · Repair and rebuild
“With our extensive machinery experience, we can make or repair machinery parts that you can't find off-the-shelf.”
washingtonmachineworks.com - Materials · Carbon steel
“Carbon steel and alloy steels”
washingtonmachineworks.com/large-part-machining-seattle - Materials · Stainless steel
“Stainless steel (304, 316, 17-4PH, and others)”
washingtonmachineworks.com/large-part-machining-seattle - Materials · Nickel alloys
“Inconel and high-temperature alloys”
washingtonmachineworks.com/large-part-machining-seattle - Materials · Aluminum
“Aluminum (including large weldments)”
washingtonmachineworks.com/large-part-machining-seattle - Materials · Copper, brass and bronze
“We can machine bronze, steel, or engineered plastic bushings to your specifications.”
washingtonmachineworks.com/machinery-repair-seattle - Materials · Plastics
“Plastics and engineered polymers”
washingtonmachineworks.com/large-part-machining-seattle - Materials · Cast iron
“Cast iron repairs”
washingtonmachineworks.com/large-part-machining-seattle - Certifications · ISO 9001
“Washington Machine Works is ISO 9001:2015 certified.”
washingtonmachineworks.com - Industries · Defense
“have worked for a number of government agencies and the military over the years”
washingtonmachineworks.com - Industries · Mining
“Large diameter gears for material handling, mining, and industrial equipment.”
washingtonmachineworks.com/large-part-machining-seattle - Industries · Food and beverage
“Food processing plants”
washingtonmachineworks.com/machinery-repair-seattle - Industries · Marine
“Marine equipment and shipyards”
washingtonmachineworks.com/machinery-repair-seattle - Industries · General industrial
“Industrial facilities of all types”
washingtonmachineworks.com/machinery-repair-seattle