Grand Valley Manufacturing
Aerospace & Industrial Manufacturing
About Grand Valley Manufacturing
Grand Valley Manufacturing performs large-part CNC machining, turning, milling, boring, honing and dimensional inspection for aerospace, defense and heavy-industry customers. Its headquarters and multiple machining buildings are in Titusville, Pennsylvania, with a milling plant in Warren. The website asserts ISO 9001, but its latest publicly available dated certificate expired June 2, 2025; renewal remains unverified.
Manufacturing & Service Locations
Warren, Pennsylvania 16365
Warren Plant · Manufacturing
Capabilities
Materials
Markets Served
Certifications
Certification information may be supplier-provided unless otherwise noted.
About This Profile
This company profile is researched and maintained by Aerospace Grade using authoritative public sources.
Last Reviewed: November 2, 2026
Source · Compiled from public sources
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