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Trimline Windows Incorporated manufactures custom windows and has promoted more than 60 years of window-making experience. Based in Ivyland, Pennsylvania, the company offers all-wood and aluminum-clad wood window lines for new construction, remodeling, and sash replacement.
Since 1938, TrimMaster has evolved from the Textile Trimming and Boarding Company into a Pennsylvania job shop known for making custom parts for manufacturers and engineers. Its 66,000-square-foot Temple facility supports single-part and low-volume work, with particular strength in CNC machining and certified welding. The company is ITAR-registered and maintains an ISO 9001:2015-compliant quality system for projects that require documented control.
Established in 1998 by longtime construction professionals Matthew Carricaburu and David Walters, Trinity Construction grew from a small local firm into a regional contractor serving customers across seven Western states. Based in California’s San Bernardino Mountains, the company is known for its broad in-house capabilities and work for industrial and government customers, while also supporting private clients. Trinity is fully licensed, bonded, and insured, with safety practices meeting MSHA standards.
Trinity Glass International designs and manufactures residential fiberglass exterior and patio doors through its Feather River Doors and Signamark product lines. Headquartered in the Pacific Northwest, the company describes its work as combining door design and production with a focus on reducing manufacturing waste and improving energy efficiency.
Privately owned and American-made, Trinity Plastics has been producing foodservice packaging since 1987 and is known for supplying private-label programs nationwide. The company is part of Inteplast Group and operates with warehouses positioned across the United States, serving retailers, restaurants, and other foodservice customers.
Founded in St. Charles, Missouri, in 1979, Trinity Products manufactures spiralweld steel pipe and fabricates steel products, while also distributing steel plate and flat-rolled materials. The company is a 100% employee-owned enterprise with facilities serving customers nationwide; its history includes pipe production, sign-pole fabrication, and expanded steel processing capabilities.
Trinseo develops and manufactures specialty materials, including PMMA acrylic resins, cast sheets and latex binders, for applications ranging from construction and mobility to medical devices. With more than 70 years of experience and a global manufacturing and research footprint, the company works closely with customers on material selection, product design and sustainable solutions. Its operations are certified globally under the Responsible Care Management System, with facility certifications that include ISO 9001 and ISO 14001.
Founded in 1965 after David “Bud” Thalenfeld invented the straight-entry display hook, Trion Industries manufactures retail merchandising fixtures, with display and scanning hooks remaining at the heart of its business. The third-generation Thalenfeld-owned company operates a nearly 500,000-square-foot manufacturing complex in Wilkes-Barre, where more than 250 employees produce and develop retail solutions backed by over 120 U.S. and international patents. Trion has appeared among Creative Magazine’s Top 50 P.O.P. Companies of America for 27 consecutive years.
TriPro Technologies Inc. is a woman-owned manufacturing company that turns ideas into prototypes, products, and production. They specialize in part and mold design, 3D printing, CNC machining, EDM, and manufacturing jigs, fixtures, and gages, serving various industries since 1990.
TripWire South supplies explosive materials and develops tactical solutions for bomb squads, K9 teams, military units, and other public-safety customers. The company is notably associated with its live-material NexGen K9 training kit, which uses more than 20 explosive materials and FBI-approved handling methods, alongside mobile, threat-realistic instruction led by veteran subject-matter experts. Its work also extends from aviation support to unmanned aerial payloads and loitering munitions.
Triton Sensors makes palm-sized AI safety sensors that detect activity in private spaces where cameras are not appropriate. The company began in February 2020 as a Pennsylvania high school STEM project sparked by a student’s concern for his younger sister, and has since shipped more than 20,000 sensors to schools, healthcare facilities and other organizations. Its privacy-first systems use no cameras, facial recognition or identity tracking, and Triton is SOC 2 Type II certified.
Triumph Engineering Group is an engineering design firm specializing in turnkey solutions from design to build and delivery of custom equipment, process automation, and new product development. They support R&D teams and manufacturing operations with full-service design, prototyping, and installation.
TRIUMPH Group is an independent aerospace and defense manufacturer known for mission-critical engineered systems and proprietary components. It supports both original-equipment manufacturers and aftermarket customers, including through its role supplying components for the M777 Lightweight Howitzer.
Trivium Packaging produces metal packaging for customers around the world, operating 57 locations in 18 countries with approximately 7,200 employees. Its production includes packaging made from steel, tinplate and aluminum, and the company supports customers with research, development and technical expertise.
Tröegs Independent Brewing is a family-owned Pennsylvania brewery founded by brothers Chris and John Trogner, who sold their first pint in 1997. Based in Hershey, the company has grown from the brothers to about 250 co-workers while maintaining its family-business identity. It is known for its Perpetual IPA and for developing experimental beers through its Scratch Series.
Trola Industries is a York, Pennsylvania factory-automation and controls company that designs and builds industrial control panels and automation systems for manufacturers. Founded in 1968, it reports more than 50 years of experience and over 11,000 projects delivered, with panel work built and tested in-house. Its work spans manufacturers in sectors including mining, packaging, food processing, and electric utilities.
Founded in 2017 in Mount Pleasant, Tronix3D is a Pittsburgh additive manufacturer producing prototype and low-volume production parts for engineering teams. Co-owners Mike Vindler and Jason Economou, who acquired the company in 2021 after previously working with it as customers, have expanded its engineering and production capabilities to include design consulting and industrial 3D printing. The company also uses SAF ReLife™ to turn unused PA12 powder into production parts, giving its manufacturing work a distinct waste-reduction angle.
Family-owned since 1977, Trophy Works creates recognition awards in Carnegie, including custom-built trophies and engraved plaques. Its in-house custom work can turn a specific idea into a finished award, including custom wooden fabrication and personalized engraving for organizations, events, and individual achievements.
Since 1997, Troy Healthcare has grown from a Pennsylvania contract manufacturer into the company behind Stopain Clinical, a topical pain-relief line made for hands-on healthcare professionals. Its Hazleton operation keeps development and manufacturing under one roof, a model that has also supported the company’s work as a brand owner and industry innovator.