PTR Group brings several Pennsylvania manufacturing operations under one roof to produce metal and plastic components, molded parts, tooling, and subassemblies. Its American Cap Company division, founded in 1988, is especially known for compressed-gas cylinder accessories and energy-sector couplings, while ACCI Industries adds complex metal fabrication and precision assembly. The group’s American Cap operations in Wheatland include a 200,000-square-foot facility and hold ISO 9001:2015 and API certifications.
ISO 9001:2015
API 5CT-1535
API 5L-1129
API Q1
IATF 16949
ISO 14001:2015
PTR GroupPTR Group is a Pennsylvania manufacturing group whose companies include operations established in 1979, 1988, and 2008. It serves industrial customers with custom production work, from prototype quantities through high-volume runs, while its four-company structure provides a single point of contact for varied manufacturing needs.FARRELL, PA
Polymer Molding IncFounded in Erie, Pennsylvania, in 1978, Polymer Molding Inc. makes plastic protective caps, plugs and custom injection-molded parts that help keep fittings, tubing and valves free from contamination and shipping damage. The American-owned manufacturer pairs an in-house tool-building, prototyping and mold-maintenance operation with a 50,000-square-foot molding and warehouse facility, supporting projects from custom design through production. Its facility is ISO 9001:2015 certified.ERIE, PA
MetalKraft Industries IncFounded in Wellsboro in 1983, family-owned MetalKraft Industries manufactures precision sintered metal components and cold-formed parts for customers across a range of industries. Its 50,000-square-foot Pennsylvania plant combines job-shop service with high-volume capacity, supported by integrated computerized manufacturing and just-in-time shipping. MetalKraft is ISO 9001:2015 registered and also provides in-house engineering and machining support.WELLSBORO, PA
Augustine Die & Mold, Inc. (ADM) | Augustine Plastics, Inc. (API)Since 1995, the Augustine Group has built its identity around bringing ADM and API together in a single 221,000-square-foot Somerset, Pennsylvania, manufacturing facility. The U.S.-made operation serves government customers as well as private and Fortune 500 companies, with work shaped by aerospace and defense requirements and supported by AS9100D, ISO 9001:2015, and HUBZone certifications and ITAR registration. ADM and API were named Manufacturing Outlook’s 2025 Precision Machining/Plastic Injection Molding Company of the Year.326199SOMERSET, PA