What We Offer

Grand Valley Manufacturing is a recognized leader for long, large and heavy machining providing custom and turn-key solutions for turning, boring, and milling.

Who We Are

We are a company that highly values our talent and together we achieve high standards for quality and customer satisfaction.

Our Facilities

We operate three facilities in Northwestern Pennsylvania with various specialities based on part and machine types to ensure your parts are completed with the attention and quality required.

Industries Served

We provide custom solutions for various industries including the military, oil and gas, nuclear, power generation, and transportation.

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

What Our Customers Are Saying

We have utilized the services of GVM in Large Inside Diameter work for many years. We find that they provide fair & reasonable pricing, outstanding workmanship & quality, excellent turn around on projects and unbeatable customer service. Sean Marsh

Steel America

Grand Valley Manufacturing possesses an exceptional level of unique machining capabilities that are greatly beneficial to our industry. Robert Twine

Collins Machine Works

We are ISO 9001:2015 certified, and have been approved for Off-Shore Oil & Gas, Nuclear, and Military.

Learn more about our commitment to quality and our inspection equipment.

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.