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PA
Abilene Boot Company manufactures footwear at its Somerset, Pennsylvania factory, which has been making boots since the 1940s. The company describes its work as a continuation of generations of American craftsmanship and operates the Abilene, Silverado, Rawhide, and Sage boot brands. Its products include Western footwear and work boots, with the company highlighting American-made production for Abilene and Silverado.
Built by two longtime friends and brewers from the Pittsburgh area, Abjuration Brewing is a local nano brewery making small-batch American ales with a particular fondness for hoppy and sour styles. Its “versioning” approach treats every recipe tweak as a new iteration, while a mad-scientist outlook keeps the brewery experimenting with new ingredients and releasing something different rather than maintaining fixed flagship beers. The brewery also tries to source ingredients locally when possible for its Pittsburgh neighbors.
Established in 1964, Able Tool Co., Inc. is a Southwestern Pennsylvania machining supplier with a 25,000-square-foot manufacturing facility in Trafford. It specializes in medium and large production runs and complex, tight-tolerance parts, serving electric power and transmission distribution, transportation, mining, industrial equipment, glass manufacturing, and construction markets.
Abraservice supplies and processes wear-resistant steels, producing wear parts and complete assemblies for industrial operations. It operates across 13 countries in Europe and North America, with 16 processing centres and 27 sales offices, and reports more than 40 years of industry experience. The company describes itself as a European leader in wear-steel supply and has focused on specialist processing of wear-resistant steels since 2019.
Founded in 2002, Abrasive Finishing Systems supplies specialist abrasives and metal-finishing machinery to fabricators and metalworking professionals across the UK and Ireland. Based in North Yorkshire, the company combines an abrasive technical centre with on-site training, product demonstrations and application support, and is the UK and Ireland exclusive agent for Garboli metal-finishing machines. Its expertise is particularly focused on stainless-steel and fabrication work, including weld removal, tube finishing and polishing.
AbraxSys Corporation is a U.S.-based manufacturer known for building display systems for demanding environments where standard equipment cannot hold up. From its Pipersville, Pennsylvania facility, the company serves customers in fields such as defense and manufacturing with custom rugged monitors and related engineering support. AbraxSys is ISO 9001:2015 certified and states that its products are made in the United States.
Absolute Powder Coating, LLC. is a quality custom powder coating shop located in north central Pennsylvania. The company offers high-quality, hand-done finishes, specializing in powder coating for various parts.
For more than 25 years, Pittsburgh-based ABT, LLC has manufactured boiler tubing, replacement boiler components and other custom parts for the power-generation industry. Its distinctive Certi-Weld process combines specialized welding equipment with panel fabrication to virtually eliminate the distortion typically associated with waterwall panels. ABT also supports industrial customers with pressure vessels, castings, forgings and precision machining through domestic and overseas production lines.
Since 1981, Abtec Inc. has built its reputation in Bristol, Pennsylvania, as a technically experienced manufacturer serving customers from the Mid-Atlantic to worldwide markets. Its team brings more than 100 years of combined experience to custom injection molding and tooling, with particular depth in difficult engineering-resin work and regulated defense applications. Abtec is ISO 9001:2015 certified and ITAR/DOD registered.
Since 1969, Abtrex Industries has grown from a small shop serving the local metal and chemical industries into a worldwide corrosion-control company. Its identity is rooted in experienced crews, a safety-first workplace and a reputation built over five decades, with 85% of annual work coming from returning clients. The company’s South Bend operation also houses a welding school, extending that practical industrial knowledge to the next generation of welders.
With more than 20 years of scientific expertise, Abzena is an integrated biologics CDMO and CRO serving biotech and pharmaceutical companies worldwide. Its six facilities in the United States and United Kingdom are connected around a single development pathway, helping customers move complex drug candidates from early discovery toward clinical and commercial supply. Abzena has worked with more than 500 customers globally.
Founded by engineer Marco Bonifaccino after he established Digi Charging Technology in 2017, AC diagnosis makes smartphone-connected tools for diagnosing automotive air-conditioning performance. Its Smart Sensor uses temperature, humidity and refrigerant-performance data to tell drivers and technicians whether a car’s system is cooling properly, while guiding troubleshooting through a mobile app. The company’s work is protected by U.S. patents, including one issued in 2019.
Tracing its lineage to Huntingdon Car Works in the 1870s, AC Henry Co. manufactures precision-machined industrial components in Huntingdon, Pennsylvania. The company grew from Carl H. Baxter’s Baxter Machine Products, founded in 1976, and combines decades of machining experience with automated production, advanced laser work and computerized inspection. AC Henry also supports stocking programs designed to place needed shipments in customers’ inventories within 24 hours.
Accel Sign Group, Inc. is a Pittsburgh-based signage company that has provided sign services since 2002. It fabricates and installs signage and also supports customers with sign design and ongoing maintenance.
Accent Metals Inc. is a York, Pennsylvania, metal-finishing and fabrication company established in May 1999. The family-owned and operated shop grew from a small warehouse into a 50,000-square-foot facility and specializes in finishing architectural metals, with polishing and fabrication capabilities for custom work.
Established in 1979, Accessa grew from a small wood-stains business into a multi-location company serving finishers across North America. Brothers Joe and Vince Todd Jr. carry on the family’s coatings-industry tradition, helping manufacturers solve production challenges through practical technical guidance and carefully matched solutions.
Accipiter Systems is a specialized technology company known for bringing high-performance computing closer to where data is generated. It develops system interconnects and software for designers building demanding edge applications, with reported customer results of up to 100-fold higher data throughput and tenfold lower latency.
Founded in 1903, ACCO Brands Corporation develops, acquires, manufactures, and markets branded consumer products for work, learning, and play. The company reported 2025 sales of $1.5 billion, approximately 5,000 employees, and operations in 35 countries; its products are sold in more than 100 countries.
AccroTool has been making custom-manufactured metal products since 1972, earning a place as a long-standing contract manufacturing partner in New Kensington, Pennsylvania. The company supports customers in fields such as defense, medical equipment, and transportation, handling projects from raw material through finished parts and assembly. AccroTool is ISO 9001:2015 certified.
Founded by Deardra and Vince Murphy in Langhorne in 1991, Accu-Fire Fabrication has grown into a Morrisville-based fire protection fabricator serving major commercial, institutional, and government construction projects. Its work has appeared on facilities including the National Museum of the United States Army and Walter Reed National Military Medical Center, with fabrication delivered to job sites by its specialized truck fleet.