Top 10 Best Metalworks Companies in Boston

Boston's Metalworking Legacy

Metalworking in Boston dates back to the days of Paul Revere, who was not only a patriot but also a silversmith and copper roller. His copper works supplied sheathing for ships and domes, establishing a tradition that continues today. Modern Massachusetts metalworks companies supply aerospace, defense, medical devices, energy, and construction with forgings, precision parts, tools, and surface treatments.

The region's strength comes from a blend of skilled tradespeople, advanced engineering, and close relationships with research institutions. Here are ten metalworks companies that stand out in and around Boston.

1. Boston Metal

Boston Metal, based in Woburn, is developing molten oxide electrolysis, a technology designed to produce steel using electricity instead of coal. Spun out of MIT research, the company aims to dramatically reduce carbon emissions from steelmaking while also recovering valuable metals from mining waste.

2. Wyman-Gordon

Wyman-Gordon, headquartered in Grafton and part of Precision Castparts, is one of the world's leading producers of complex forgings. Its components are used in jet engines, airframes, and power generation turbines. The company's expertise in high-performance alloys makes it a cornerstone of the aerospace supply chain.

3. Tech-Etch

Tech-Etch, based in Plymouth, specializes in photochemical etching, precision stamping, and electroforming. It produces thin metal components, EMI shielding, and flexible circuits for medical, aerospace, and electronics customers who require extremely tight tolerances.

4. The L.S. Starrett Company

Founded in Athol, Starrett has manufactured precision measuring tools, saw blades, and metrology equipment since the late nineteenth century. Its calipers, micrometers, and band saw blades are used by machinists worldwide, and the brand remains a symbol of American craftsmanship.

5. Bodycote

Bodycote operates heat treatment and thermal processing facilities in Massachusetts. Its services, including hardening, brazing, and hot isostatic pressing, improve the strength and durability of metal parts for aerospace, automotive, and industrial customers.

6. VulcanForms

VulcanForms, another MIT-rooted company, focuses on industrial-scale laser powder bed fusion for metal additive manufacturing. Combined with precision machining, its digital manufacturing approach aims to produce complex metal parts at production volumes for medical, defense, and industrial applications.

7. Revere Copper Products

Revere Copper Products traces its origins to Paul Revere's copper mill in Canton, Massachusetts. Though its manufacturing has since moved to New York, the company remains a living link to Boston's metalworking history and continues to produce copper and brass sheet, strip, and plate.

8. Curtiss-Wright Surface Technologies

Curtiss-Wright Surface Technologies, formerly Metal Improvement Company, provides shot peening, laser peening, and coating services. These treatments extend the fatigue life of critical metal components in aerospace, automotive, and energy systems, and the company serves New England manufacturers through regional facilities.

9. Lowell Corporation

Worcester-based Lowell Corporation has produced hand tools, ratchet wrenches, and custom torque solutions for more than a century. Its products serve utilities, industrial maintenance teams, and OEMs who need durable, specialized tools built in the United States.

10. Mestek

Mestek, headquartered in Westfield, manufactures HVAC equipment and metal forming machinery. Its subsidiaries produce sheet metal fabrication equipment, ductwork machinery, and heating products used across commercial and industrial buildings.

Trends Shaping Metalworks in Massachusetts

Decarbonization is a major focus, with companies exploring electric furnaces, green steel, and recycled metals. Additive manufacturing is moving into production, enabling lighter, more complex parts. Automation and robotics are helping shops overcome workforce shortages, while aerospace and defense demand continues to support forging and precision machining.

How to Select a Metalworks Partner

Consider certifications such as AS9100 for aerospace or ISO 13485 for medical work. Review material expertise, tolerance capabilities, inspection equipment, and capacity. Ask about lead times and supply chain resilience, especially for specialty alloys. A partner with engineering support can help reduce cost and improve part performance.

The Workforce Behind Boston Metalworks

Skilled machinists, welders, and toolmakers remain the heart of the industry. Vocational schools, community colleges, and apprenticeship programs across Massachusetts are working with manufacturers to train the next generation. Many companies now combine hands-on training with digital skills such as CNC programming, metrology software, and additive manufacturing design, creating rewarding careers with strong long-term demand.

Frequently Asked Questions

What industries rely most on Massachusetts metalworks?

Aerospace, defense, medical devices, energy, and semiconductor equipment are among the largest customers, each requiring precision, traceability, and specialized alloys.

Is metal 3D printing replacing traditional machining?

Not entirely. Additive manufacturing complements machining by producing complex geometries, while machining remains essential for finishing surfaces and achieving tight tolerances.

Precision Manufacturing Along Route 128 and I-495

Many of the region's machine shops and fabricators are located along the Route 128 and Interstate 495 corridors, close to defense contractors, medical device firms, and semiconductor equipment makers. This proximity allows quick collaboration on prototypes, short supply chains, and efficient quality audits, giving Massachusetts metalworkers a meaningful competitive advantage.

Final Thoughts

From Revere's copper legacy to green steel innovation, Boston's metalworks industry is both historic and forward-looking. These ten companies demonstrate the region's ability to combine traditional craftsmanship with cutting-edge technology to serve critical global industries.