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Proto Manufacturing

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.
Contact Information

Proto Manufacturing
5959 N Freya Street
Spokane, WA 99217

Phone—509-535-9683
Fax—509-535-8387
Email—john@proto-mfg.com
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