Proto Manufacturing has completed projects both nationally and internationally. Our Showcase portfolio gives you direct examples of our work and our operations.
Proto Manufacturing Inc. was founded in 1988 with the belief that we could provide the highest quality precision sheet metal manufacturing service in the industry.
Today, quality is still our number one priority as we are always improving so we can continue to exceed our customers’ expectations.
5959 N Freya Street
Spokane, WA 99217