Founded in 1918, American Hollow Boring Co. is an Erie-based specialty machine shop known for its deep-hole expertise and work on critical components. With fewer than 20 employees in a 60,000-square-foot facility, the company serves manufacturers across North America, producing parts for sectors such as aerospace and power generation under an ISO 9001:2015-compliant quality system.
ISO 9001:2015
certification
Morlin IncMorlin Inc. began in April 1990 with a single machine and has grown from a dedicated deep-hole drilling job shop into a specialist serving industrial customers. Its Erie operation is also an authorized Heidenhain distributor and service center, while most completed jobs leave the shop in less than a week.ERIE, PA
Dearborn, IncFounded in 1967 as a continuation of Howard Dearborn, Inc., Dearborn makes high-precision machined components, having grown from deep-hole gundrilling into finished-part manufacturing. Its Berea operation developed drilled components for the first U.S. Navy nuclear submarines and now builds proprietary equipment in-house for difficult internal machining work. Dearborn is AS9100- and ISO 9001-certified and routinely holds gundrilling variation below .002 inches over bore lengths up to 32 feet.BEREA, OH
Kays Engineering, IncSince Ed Kays opened its doors in Marshall, Missouri, in 1980, Kays Engineering has grown from a one-person welding and repair shop into a 60-plus-employee manufacturer known for precision deep-hole drilling machinery. The company builds made-to-order equipment in its 50,000-square-foot plant, with in-house machining and final testing supporting customers in industries such as aerospace and automotive around the world.KENT, OH
National Jet Company, IncFounded in Cumberland, Maryland, in 1937 to solve a fiber manufacturer’s small-hole problem, National Jet Company now makes micro-hole components and precision-machined parts for applications where flow and accuracy matter. The family-owned company, purchased by Sam and Pam Griffith in 1992 and passed to Sam Jr. in 2020, drills holes as small as 0.0005 inch and builds many of its own drilling machines and tooling. Its long-running specialty includes U.S.-made spinnerettes and other precision parts, supported by ISO 9001 quality management and ITAR registration.LAVALE, MD