Privately owned and rooted in James Robbins’s 1952 invention of the first modern tunnel boring machine, The Robbins Company has spent nearly seven decades reshaping underground construction. The Solon-based company now supports tunnel projects around the world, with a history marked by practical innovations such as disc cutters and equipment built for demanding geology.
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Barbco IncSince James S. Barbera founded it in 1989, Barbco Inc. has built its identity around manufacturing from East Canton, Ohio, with a focus on quality equipment for underground construction. The company serves contractors in fields such as public utilities and oil and gas, supporting domestic and international projects through custom-built machinery and a worldwide dealer network. Its TriBor system reflects Barbco’s long-running effort to combine practical field needs with new approaches to boring.EAST CANTON, OH
Michael Byrne ManufacturingStarted by Mike Byrne in a downtown Mansfield garage in 1966, Michael Byrne Manufacturing builds auger boring machines and trenchless construction equipment for underground contractors. Still family owned, the company is the longest continuously operating U.S. manufacturer of auger boring machines and distinguishes its equipment with an in-house EXTREME DUTY gearbox designed for heavy shock loads. Since 1980, it has also engineered turnkey hazardous-waste handling systems and custom large-scale fabrication from its Mansfield operation.MANSFIELD, OH
CBS EquipmentFounded in 2004 by chemical engineer Ed Roscioli, West Virginia-based CBS Equipment designs, builds and repairs mining equipment, with a particular focus on underground mine safety. The family-owned company invented and holds the patent for the LifeShelter inflatable refuge shelter, with more than 1,600 licensed shelters operating worldwide, and also develops custom equipment through its engineering and consulting work. CBS describes its approach as equipment engineered and built by miners for miners, backed by more than 30 years of mining-industry experience.BEAVER, WV
Antraquip CorporationFounded in 1985, Antraquip Corporation is a Hagerstown manufacturer known for more than four decades of specialized rock-cutting experience. It develops custom-engineered equipment for contractors and industrial customers working in tunneling, mining and construction, using rock-testing procedures to match machinery to the conditions of each job. Antraquip also provides parts, rebuilding and technical support from its U.S. manufacturing facility.HAGERSTOWN, MD