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Since 1937, Magnetech Industrial Services has repaired, reconditioned, rewound and remanufactured electrical-mechanical equipment, with the unusual ability to support a facility from its transformer through to the driven component. Headquartered in Massillon, Ohio, the company combines in-house engineering and repair with field service and asset-management programs, and it also manufactures and services lifting magnets. Its rail work is certified to the Association of American Railroads’ M-1003 quality assurance standard.
Founded in 2023 by two former 75th Ranger Regiment master breachers, Marauder Group develops modular breaching charges for assault and heavy breaching. The small disadvantaged veteran-owned business works directly with end users to tailor mission-specific solutions, with charge designs intended to improve breacher safety and reduce overpressure exposure.
Founded in 2025 as Huntington’s first public-facing glassblowing studio, Marrowbone Glassworks makes contemporary glass decor and tableware in small batches while offering the public hands-on experiences with hot glass. Created by former workers from West Virginia’s last handblown glass tableware factory, the studio combines Appalachian factory techniques with one-of-a-kind artistry to keep the region’s 150-year glass tradition active. Its Huntington shop also hosts the work of West Virginia glass veteran David Osburn, whose mold-blown designs reflect decades at Blenko and other studios.
Marsh Bellofram is a Newell, West Virginia manufacturing group whose roots reach back to 1865 and whose modern identity took shape when Marsh and Bellofram became one company in 1995. Its 11 divisions serve industrial customers worldwide, with a particular heritage in precision instrumentation and rolling diaphragms. The group operates from a 215,000-square-foot U.S. headquarters and maintains ISO 9001:2015 certification, while Bellofram Elastomers also holds AS9100D certification.
Marsh Medical makes engineered components for critical medical devices, pairing in-house engineers and chemists with U.S.-based manufacturing to develop custom pressure-control and sensing solutions. The division draws on more than four decades of medical-component experience and the 125-year history of its Marsh Bellofram parent company, giving manufacturers a single source for both standard and hard-to-recreate parts. Its products are produced and tested under in-house procedures, with Marsh Medical certified to ISO 9001:2015.
Marshall University’s Marshall Advanced Manufacturing Center helps West Virginia manufacturers, entrepreneurs and makers turn ideas into prototypes, products and stronger operations through shared equipment, technical expertise and workforce development. Formerly the Robert C. Byrd Institute, MAMC has served the region for 36 years, with 36 staff members bringing more than 750 years of industry experience and facilities containing over $24 million in shared-use equipment. Its work has trained more than 27,000 people and now includes serving as a National Hub for Manufacturing Apprenticeships.
For 36 years, Marshall University’s Advanced Manufacturing Center has helped West Virginia manufacturers, entrepreneurs and makers turn ideas into prototypes, products and stronger operations. Based in Huntington and South Charleston, MAMC combines shared access to more than $24 million in manufacturing equipment with technical assistance, quality-system support and hands-on workforce training. Its staff has more than 750 years of combined industry experience, and more than 27,000 people have completed its technical-skills training.
MATO Corporation distributes conveyor-belt maintenance equipment and lubrication equipment in North America, with its products designed and manufactured by parent company MATO GmbH & Co. KG near Frankfurt, Germany. The parent company has manufactured belt fasteners for more than 100 years, and MATO products have been sold in North America since the early 1980s. MATO Corporation established its U.S. presence in 1995, with warehouse and offices in Beckley, West Virginia.
Founded in Frankfurt in 1906 as a maker of wire hooks, MATO GmbH & Co. KG now manufactures conveyor-belt maintenance equipment and lubrication technology from Mühlheim am Main. Its long industrial history includes the 1935 start of grease-gun production and the 1998 launch of the Lube-Shuttle® grease-gun system. MATO introduced a DIN EN ISO 9001 quality-management system in 1998 and supplies customers through a worldwide sales and service network.
Founded in Pittsburgh in 1850 by engraver John Dixon Matthews, Matthews International Corporation has grown from an engraving shop into a global company operating in industrial technologies and memorialization. It manufactures industrial marking and coding technologies and memorialization products, and provides precision engineering solutions for coating, converting, and energy storage applications. The company is headquartered in Pittsburgh and reports operations spanning 15 countries and four continents.
MAX-FLEX Fence Systems, also known as West Virginia Fence Corporation, develops and sells high-tensile farm and ranch fencing along with the energizers that power it. Based in West Virginia and serving American agricultural customers since 1978, the company introduced several high-tensile and high-powered electric-fence products to the U.S. market, including its MAXIM chargers and FAST FENCE portable systems. Its Superlife line—available only from MAX-FLEX—adds longer-life coated wire, horse-safe Supercote wire, and matching hardware, while the company also services the energizers it sells.
MAXAM is a global company specializing in energetic materials, applying its technology and production capabilities to mining and civil engineering worldwide. Founded in 1872 as the Spanish Dynamite Company by Alfred Nobel, it reports more than 80 industrial facilities and sales in over 60 countries. Its history and current business include civil explosives as well as defense and security activities.
Since James Mazzella started the company in Cleveland in 1954 by hand-braiding wire-rope slings, Mazzella Companies has grown into an independently owned organization with more than 1,000 employees at over 40 locations across North America. Its no-excuses, customer-first culture supports industrial customers with lifting equipment and related service, while its roots in practical rigging work still shape the company today.
Mazzella Companies began in Cleveland in 1954, when James Mazzella hand-braided wire-rope slings, and it remains independently owned more than 70 years later. Now employing more than 1,000 people at dozens of locations, the company serves industrial customers through engineered lifting solutions and related support, with a culture shaped by safety and long-standing customer relationships.
Founded in Cleveland in 1954 by James Mazzella, the company began by hand-braiding wire rope slings and has grown to more than 1,000 team members at dozens of locations. Mazzella designs, manufactures, and distributes products for lifting and material handling, and provides related services to industrial, commercial, and specialty customers.
Founded by Joseph J. McCarthy in Wilkes-Barre in 1926, McCarthy Tire Service is a family-owned commercial tire dealer that supplies and services tires for fleets, industrial equipment and passenger vehicles. The company has grown to more than 75 East Coast locations, 13 Bandag retread plants and over 1,500 associates, while the fourth generation of the McCarthy family now works across the business. Its retreading operation is a defining specialty, and McCarthy is ranked the fourth-largest independent commercial tire dealer and seventh-largest retreader in the United States.
McCorkle Machine & Engineering is a Huntington, West Virginia machine shop and fabricator that makes machinery and parts and provides industrial repair and remanufacturing work. In business since 1946, the company describes a longstanding focus on precision machining and quality work for industrial customers.
McIntosh Box & Pallet began as a small East Syracuse box company in 1961 and remains a privately held manufacturer serving supply chains across the United States and Canada. More than 300 employees now work across its multi-facility operation, building custom wood packaging for manufacturers and supporting their recurring shipping needs.
Meadow River Hardwood Lumber Co., LLC manufactures Appalachian hardwood lumber and sells hardwood logs and wood by-products. Its sawmill produces rough-cut lumber, including green and kiln-dried products, for domestic and international customers.
Medegen Medical Products manufactures patient-care and medical products for acute-care and alternate-care facilities, combining U.S. manufacturing in Tennessee and West Virginia with the Minigrip brand under Inteplast Group. Its broad healthcare portfolio reaches from everyday bedside supplies to laboratory specimen containers and medical-waste containment, with product bundling and international sourcing supported through Inteplast Healthcare.