About Our Company
150+ Years of American Manufacturing Expertise
Headquartered on a 30-acre site in Barre, Massachusetts, Chas. G. Allen, Inc. operates over 120,000 square feet of advanced manufacturing and service facilities. Our mission is to deliver superior quality, technical expertise, and customer-first service across every project we take on. Read about our history here.
We specialize in turnkey solutions for pumps and mechanical systems, with extensive in-house capabilities that include large-capacity CNC machining centers, assembly and testing stations, surface finishing, painting, and high-bay manufacturing space. Whether for custom machining, pump overhauls, or on-site field service, our focus is reliability, precision, and performance.
Chas. G. Allen is proud to support some of the most critical energy infrastructure in the U.S. and abroad. We’ve provided technical direction and field services for fossil fuel, nuclear, geothermal, and waste-to-energy power plants across North and South America, including projects for Dominion, NextEra Energy, Exelon, Re-Energy, and TransCanada.
We are committed to engineering excellence, long-term partnerships, and delivering the results you expect. On time, every time.
Trusted By Leading Energy & Infrastructure Companies
Our Team & Quality Commitment
With over a century of combined experience, our management team and shop personnel bring deep expertise in custom machine building, engineering, finishing and deburring, contract and parts manufacturing, repair, field services, and field machining. At Chas. G. Allen, we take pride in delivering precision work backed by decades of hands-on knowledge and technical excellence.
We are proud to be AS9100, ISO 9001:2015, and ITAR compliant, demonstrating our commitment to the highest standards in quality, safety, and regulatory compliance, especially for mission-critical industries such as aerospace, defense, and energy.
Our inspection department is staffed by highly trained professionals and equipped with advanced tools including a coordinate measuring machine (CMM), hardness tester, granite surface plates, and a wide range of precision measurement instruments. This ensures we meet even the most rigorous inspection and documentation requirements, project after project.
