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Custom Fabrication & Industrial Mechanical Services to Meet any Challenge

From custom welding to mechanical contracting. From industrial exhaust ductwork to heavy plate fabrication and structural steel. Our millwrighting and metal fabrication company is ready to work with you to achieve success—within budget, on time, and with exceptional quality.

Learn How We Weld Steel With the Sun

We are your partner.

No job is too large or demanding for GSM Industrial. Whether you’re in search of heavy industrial metal fabrication and manufacturing—or field installation, service, or repairs—we have the metal fabrication and mechanical contracting capabilities necessary for your project to run smoothly.

Contact us to discuss your next project and how we can help!

welder making sparks

The GSM Industrial Difference

A Choice Industrial Contractor Who’s Invested in Your Success

How would our loyal, long-term customers describe the GSM Industrial difference? We’re known for being flexible, without heavy reliance on change orders. We stay busy and work to get projects done on time and within budget—and we prove it with jobsite times that are lower than typical.

For customers who are relatively new, it’s important for you to know that in most metal fabrication cases, we’ve done it before, and with just a short conversation, we’ll let you know if we can do it within your timeframe and budget. So get in touch today.

What We Do

When an equipment manufacturer, engineer, designer, building owner, maintenance manager, or business owner needs to outsource talent for large custom metal production projects, they contact us. We ship fabrication projects anywhere, our highly specialized technicians conduct field installations in NJ, DE, PA, and MD, and we’ll travel even farther for the right project.

Metal Fabrication

Air pollution control, ventilation, equipment vessels, piping, processing equipment, and unique contract manufacturing are just a few of our metal fabrication shop’s specialties.

Air Pollution Control & Ventilation

Industrial Ductwork

Field Installations

We cover PA, NJ, MD, DE and more with welding, electrical, millwrighting, rigging, plant maintenance expertise…machinery, piping, industrial ductwork, and OEM installations.

Machinery Installation

Industrial Welding

Learn more about our expertise and contact us to discuss your next project.

The Millwrighting and Metal Fabrication Processes

Customers from across the United States contract with us to complete one-time, custom builds made from carbon steel or stainless steel. With the help of our overhead crane, sub arc welder, and other highly-specialized fabrication equipment, we will complete your project with the utmost attention to detail, to exacting standards that will satisfy every spec with precision.  

Capabilities like a designated stainless steel area, carbon steel blasting, stainless steel blasting, and our paint booth mean that we welcome even the most intricate and involved metal fabrication projects. 

robotic welder

When you partner with GSM Industrial, you can expect to…


Submit your request for quote to us—whether it’s for large-diameter ductwork, conveyor, oxidizer, extractor, industrial furnace, vessel, or any type of metal fabrication.


A specialist will contact you to ask questions and learn about your project. You will work together to help move your project from the concept phase to completed.


An account manager will partner with you, provide a quote, and communicate throughout the entire fabrication, field installation, or maintenance process.

Let’s talk about how our metal fabrication and millwrighting shop can be your partner in success. Get in touch today!

Project Profiles

Our dirty, dangerous, and difficult projects showcase everything custom and specialized. No undertaking is too challenging for our expert fabricators and mechanical contractors.