We have over 60 years experience, in diverse industries, producing long, large and heavy parts up to 64 feet in length.

Our Core Competencies

Machining of Large, Long & Heavy Components
Machining of Complex Components
Project Management of High Volume Projects
Project Engineering of Complex Components with Many Different Operations

Our Capabilities

• Milling
• Drilling
• Turning
• Boring

Our History

1950 Grand Valley Mfg. Co. formed in Grand Valley, PA by Harry A. Ewing
1953 GVM Co. incorporated as a Pennsylvania Corporation
1957 GVM has 3 major customers and 13 employees
1961 Purchased Titusville Tank Plant on Spring Street in Titusville, PA (7,000 sq. ft.)
1963 H. Richard Ewing becomes President of GVM Company
1968 Purchased Struthers Wells Corp. Bldg. on Washington Street, Titusville, PA (37,000 sq. ft.)
1976 Purchased additional property adjacent to Main Plant and doubled plant size
1995 Leased additional plant space at former Allied Roll Building at Pleasantville, PA. Named plant #2, or Hilltop Facility
1996 Leased Heavy Machining Plant in New Castle, PA
1998 Moved Heavy Machining Plant to Warren, PA. Named plant #3, or Warren Facility
2002 David B. Ewing becomes President and Chairman of the Board. GVM Co. acquires Blue Chip Tool Co. in New Castle, PA.
2007 GVM sells 70% of assets and Washington Street building and moves Block Type / Chuck Type plant to former Cytemp building in Titusville Opportunity Park. Large milling plant is moved to former Struther’s Well building in Warren, PA.
2015 Since the sale in 2007, GVM has regrown to it’s previous size, expanding it’s capabilities for long, large,& heavy milling, turning and boring. GVM continues to grow it’s market share and capacity to compete in existing and new industries. GVM currently operates 4 separate facilities in the Titusville and Warren, PA areas.