Our Facilities

Our multiple facilities are designed around different size ranges of parts to allow us to provide a wide variety of machined products with overhead structures at each location to facilitate competitive pricing.

Small Shaft Plant - Building 52 (Corporate Headquarters)

Building 52 houses our corporate offices for operations, quality, & sales divisions.

Over 24,00 sq ft. under roof, specializing in turning, boring, and honing of 2″-15″ inside diameter cylindrical parts up to 30″ in OD and 25 feet long.

Long Shaft Plant - Building 82

The “Flagship” of GVM’s operations has over 70,000 sq. ft. under roof and specializes in CNC & Manual boring and turning of cylindrical parts up to 84″ OD x 61″ ID x 68 feet in length.

Warren Plant

Our plant in Warren, Pennsylvania mills “Block” type parts for various industries and compliments many of our larger “Shaft” and “Hollow” type parts that requiring milling profiles as well.



Deep Hole Boring
2-in. (50.8 mm) – 58-in. (1473.2 mm) diameter up to 64-ft. (19.51 m) long

Deep Hole Carbide & Spade Drilling
2-in. (50.8 mm) diameter & up

Deep Hole Trepanning
4-in. (101.6 mm) diameter & up x 64-ft. (19.51 m)

CNC Turning
Shafts to 84-in. (2133.6 mm) diameter x to 67-ft in length (20.42 m)

CNC Large Milling
Large Rectanglar Shaped Parts upto 16’ x 14’ x 8’, such as Fabrications, Castings, Forgings, etc.

2-in. (50.8 mm) – 30-in. (762.0 mm) dia. x 70-ft. (21.34 m)

Production & Repetitive Parts
(fast throughput)

Request a Quote

Our full service locations can provide you with turn-key solutions for many industry projects including Oil & Gas, Nuclear, Power Generation, & Primary Metals to name a few. We have experience in all types of materials including exotic alloys. We  can handle everything from sourcing material, coatings, stress relieve, and machining. Contact us today to discuss what we can do for you.