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Founded in Switzerland in 2003 as an extension of Medchemadvice, established in 1989, MCA Technologies GmbH develops and supplies specialty chemicals and life-sciences products while supporting clients’ R&D and business development. Its work combines strategic sourcing with collaborative development of tailored technologies and processes, including proprietary halogen-free fire retardants and DPP pigment technology. The company also arranges contract research and manufacturing through capabilities in biotechnology, fermentation and chemistry.
McAvoy Brick Company is a fifth-generation family-run brick manufacturer founded by Thomas Bell McAvoy Sr. just outside Philadelphia. For over 150 years, the family has made brick, and its products have been used in buildings and paving projects across the country.
Founded in 1957 as Miller Centrifugal Casting, MCC International casts and finish-machines large, complex ferrous and non-ferrous components at its McDonald, Pennsylvania facility. The company is particularly known for rolling mill sleeves and its patented near-net-shape centrifugal casting process, which handles parts up to 99 inches in diameter and 30,000 pounds. MCC manufactures in the USA, serves customers worldwide, and operates under ISO 9001:2015 certification.
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.
Founded in 1976 by R.L. McCarty, McCarty Equipment Co., Ltd. distributes and fabricates industrial hose and fluid-handling equipment for customers across North America. The Abilene-based company combines a 17-location distribution network with custom hose assembly, gasket fabrication, and industrial repair, supporting applications from oil and gas to utilities and manufacturing. Its ISO 9001:2015 certification and specialized fabrication capabilities reflect a business built around technical support as much as product supply.
Since 1916, McCarty Printing has produced commercial print materials in Erie, making it one of Northwest Pennsylvania’s oldest established printers. Family owned and operated under the same ownership since 1954, the company now works from a more than 50,000-square-foot facility with over 70 employees. Its in-house operation also includes custom pressure-sensitive labels through Walco Label Services and an integrated mailing department.
Founded in 1953, McCLARIN Composites manufactures engineered composite parts for mobility and the built environment, including large, complex components made through thermoset and thermoplastic platforms. With three North American manufacturing facilities, the company combines composite engineering with machine-driven and closed-mold production, and its engineering team is certified through the American Composites Manufacturers Association’s CCT program. McCLARIN holds ISO 9001:2015 certification across its Oklahoma City, Wapato and Hanover locations and is developing lower-carbon composite manufacturing pathways.
McClean Solutions LLC makes car-wash detergents and protectants, drawing on the experience of car-wash professionals and its own family-owned wash operations. Based near Philadelphia, the company develops and repeatedly tests its chemistry in its Bensalem lab, pairing products such as Galaxy presoaks with personalized service for wash operators who do not want to be treated like a number.
Since 1953, Harrisburg-based McClure Company has brought engineering, mechanical construction, energy services, and ongoing maintenance together under one roof for building and industrial clients across the Mid-Atlantic. Its in-house engineers and craftsmen carry projects from design through installation and commissioning, while a 22,000-square-foot semi-automated fabrication shop produces pipe and skid assemblies for complex work. McClure also backs completed systems with 24/7 emergency service and planned maintenance.
For more than 100 years, McClures Bakery has made scratch-baked goods fresh daily at its wholesale bakery in Bowmansville, Pennsylvania. Led by Tom and Jamie Keenan, the bakery recently acquired TNT Bakery, including the Country Maid donut and baked-goods lines, and also serves wholesale and co-packing customers.
Established in 2001 after more than 37 years of industry experience, McConnell Enterprises Manufacturing designs and builds custom wood shipping and packaging products in Airville, Pennsylvania. The company specializes in export shipping crates and boxes, industrial and military packaging, and tailored crate and pallet solutions, with ISPM 15 heat-treatment marking and ISO 9001 quality-assurance procedures supporting its work.
Founded in Pittsburgh in 1869, McConway & Torley makes steel rail couplers and components, carrying a foundry tradition that began with the first semi-automatic center-buffer coupler in 1877. Its Pittsburgh operation handles casting, machining and testing in-house, including passenger-equipment couplers made entirely on site. Now part of FerroWorks, the company continues to produce American-made rail products backed by AAR certification and ISO 9001-2015 registration.
Since 1896, McCourt Label Company has made custom pressure-sensitive labels and labeling solutions, growing from Newton W. McCourt’s grocery-store back-room invention into a 43,000-square-foot manufacturing operation in Lewis Run, Pennsylvania. The family-owned company serves customers nationwide and is known for pairing deep materials and adhesive expertise with tailored production for demanding applications. McCourt has held ISO 9001:2015 and ISO 14001 certification, the latter since 2008, reflecting its focus on quality management and reducing manufacturing waste.
With more than 125 years of label-manufacturing expertise, McCourt Label Company makes stock and custom reminder labels for automotive service businesses. The Lewis Run company also supplies the printers, ribbons and shop materials that support those labels, including paper floor mats and custom invoices. Its oil-change labeling systems are built around compatibility with widely used Zebra and Godex printers, with international shipping available.
Established in 1970, McDal Corporation supplies, installs, repairs and inspects overhead hoist and crane systems for customers across the Mid-Atlantic. Its King of Prussia repair facility is an authorized service and warranty center for most hoist manufacturers, while the company also designs special lifting equipment and added Champion air-compressor distribution in 2016. McDal’s two Pennsylvania locations support more than 100 years of combined industry experience.
Since 1919, McDanel Advanced Materials has developed ceramic technologies and now manufactures custom advanced ceramic, glass, and sapphire components for demanding industrial applications. Rooted in Pittsburgh’s manufacturing tradition, the company works engineer-to-engineer with customers and expanded its capabilities in 2024 through the acquisition of Rayotek Scientific, creating an optics division. Its distinctive WearGuard® ceramic bearing system is designed for continuous steel-sheet galvanizing operations, while its glass division produces more than 30 million precision-cut components each week.
Based in Kersey, Pennsylvania, McDermott Welding handles custom welding and fabrication for customers across Elk County and nearby areas, with work completed both on site and in its shop. The company brings 61 years of combined experience to projects built to customer specifications, and its certified waterjet shop cuts prototype and production parts from virtually any material up to six inches thick. McDermott also sells cut-to-size aluminum and stainless steel materials.
After rising from a Better Packages sales role to become that company’s top global distributor, John F. McDonald incorporated McDonald Company Machines in 1979 and later built its own manufacturing business. Based in Bridgeport, Pennsylvania, the company has made Phoenix water-activated tape dispensers since 1994, while also providing repair service for customers who rely on gummed-tape equipment.
From its Blairsville, Pennsylvania shop, McFadden Machine Co. Inc. builds custom industrial machinery and precision-machined parts, while also making its own shooting and outdoor equipment. Its assembly machines are designed for high-speed, lights-out production and can be monitored or reprogrammed remotely, reflecting a business that works from one-off pieces through complex automated systems. The company’s Ultimate Shooting Tripod, made in the USA since 1991, is a distinctive in-house product alongside its trail-camera mounts and firearm loaders.
Founded in 1954 by Zell and Mary McGee, McGee Industries makes McLube® release agents, specialty lubricants and process aids for manufacturers, with its headquarters and primary manufacturing facilities in Aston, Pennsylvania. Still family-owned and operated, the company is known for tailoring formulations to demanding molding and assembly processes while pairing them with rapid technical support. McGee Industries has maintained an ISO 9001 quality-management system since 2001 and meets the ISO 9001:2015 standard.