Ascent Aerospace brings together more than 80 years of aerospace manufacturing history, including Gemcor’s automated-fastening roots dating to 1937. Today, the company serves commercial aerospace, defense, and space manufacturers as a single-source partner for tooling and factory automation, carrying projects from engineering through installation and support. Its 780,000 square feet across 11 locations support a global operation certified to AS9100 and ISO 9001 standards.
AS9100D
ISO 9001
ITAR
Compliance program
UL-508A
Apollo Aerospace ComponentsKnown for five decades of supplying aerospace fasteners, Apollo Aerospace Components supports aircraft and defence manufacturers with approved components and supply-chain services. The company has grown through strategic investment and acquisition, including the 2021 purchase of NYK Components Solutions, and now provides global support from stocking facilities in Europe, North America and Asia. Apollo is a QPL-listed assembling distributor operating under AS9100 Rev D and AS9120 Rev B approvals.BENSALEM, PA
Momentous Mold & MachineMomentous Mold & Machine traces its roots to Karl A. Reuther’s 1950 family business in Cuyahoga Falls, where it first became known for rubber molding before moving into demanding aerospace work. Purchased in 2025 by a Northeast Ohio management team, the company now brings that long manufacturing history to custom tooling for aerospace and related high-consequence applications. Its 60,000-square-foot temperature-controlled shop is supported by AS9100D:2016 with Design and ISO 9001:2015 with Design certifications.CUYAHOGA FALLS, OH
Rhinestahl CorporationWhat began in 1967 as a two-car-garage tool shop has become Rhinestahl Corporation, a Mason-based manufacturer of aircraft engine tooling and complex precision assemblies. Its Customer Tooling Solutions division supplies OEM-aligned engine tooling, while its Advanced Manufacturing Group handles demanding machining, fabrication, and capital-equipment assembly for aerospace and other industries. Rhinestahl’s manufacturing operations include a 125,000-square-foot Mason facility, and its AMG division holds AS9100D/ISO 9001 and ITAR certifications.MASON, OH
Barnes AerospaceBarnes Aerospace traces its roots to 1857 and has spent more than a century building aerospace manufacturing expertise. Today, the global company serves aircraft and engine makers with precision components and aftermarket repair, backed by facilities across North America, Europe, and Asia. Its work is distinguished by source-approved repair capabilities and aerospace quality certifications, including AS9100 and Nadcap.WEST CHESTER, OH