Family-owned since its founding in 2003, U.S. Piping has built its identity around dependable mechanical contracting and long-term client relationships. Based in North Wales, the company serves demanding facility projects throughout Pennsylvania, New Jersey, and Delaware, with particular experience in pharmaceutical work and stainless-steel fabrication. Its safety culture includes union-certified field workers, OSHA training, weekly toolbox talks, and a reported 0.688 EMR rating.
GMP standards
Compliance program
OSHA 10-hour and 30-hour training
Compliance program
GMP
Quality certification
OSHA30HOUR
Quality certification
NORTH AMERICA PIPEFITTERS INCSince 2006, family-owned North America Pipefitters has provided mechanical contracting and in-house fabrication for commercial and industrial facilities across New York and New Jersey. Its Summit-area shop brings CAD, welding, cutting, forming and machining together to build process-piping components and mobile mechanical skids before they reach the jobsite. The company also specializes in diagnosing, installing and maintaining complete steam systems, with AWS-certified welders and FDNY fire-safety-certified personnel supporting its work.NEW YORK, NY
Gunning MechanicalFounded in 2005 by Dawn and Mike Gunning, Gunning Mechanical is a woman-owned, union Pittsburgh contractor building and maintaining commercial and industrial HVAC, piping and sheet-metal systems. Its in-house fabrication shop gives the company direct control over ductwork timing and quality, while certified tradespeople serve projects across Western Pennsylvania, Eastern Ohio and Northern West Virginia. The company’s safety program has earned repeated Master Builders’ Association recognition, including a 2024 Excellence in Safety award.238220CRANBERRY TOWNSHIP, PA
PCI ServicesFamily-owned and operated in Cincinnati since 1896, PCI Services designs, fabricates, installs, and maintains mechanical systems for commercial and industrial facilities. Four generations of Fennell family leadership have carried the company from its Newport mechanical-contracting roots into a regional contractor known for industrial piping, HVAC work, and in-house fabricated mechanical skids. Its Cincinnati operation includes a 55,000-square-foot fabrication and assembly facility, while its safety program reports a 0.62 EMR over the past decade.CINCINNATI, OH
Osage Piping & Fabricating, IncOsage Piping & Fabricating is a Highspire, Pennsylvania manufacturer and field contractor that designs, welds, and fabricates custom piping systems and specialty metalwork. Its crews provide round-the-clock installation, repair, and shutdown support, while its shop handles one-off fabrication and precision cutting for projects ranging from individual components to complete process systems. Osage is ISN certified with an “A” rating and draws on in-house drafting, engineering, and welding experience to meet demanding project timelines.HIGHSPIRE, PA