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Maronda Homes is a private, family-owned and operated new-construction home builder founded in 1972 by William J. Wolf. It builds affordable homes in communities across 11 states, with a stated focus on quality and customer service. The company also describes its construction process and energy-efficiency standards as central parts of its homebuilding approach.
Family-run since 1935, Marotta Dental Studio is a full-service dental laboratory in Farmingdale, Long Island, making custom dental prosthetics and restorations for dental practices. The studio combines more than 75 years of dental esthetics and service with over 30 years of digital experience, producing work in-house rather than outsourcing it. Its support extends beyond fabrication into treatment planning, guided surgery and hands-on digital dentistry training for practices adopting scanners and CAD/CAM workflows.
Founded in 2022 in Baden-Württemberg, MARQ4 Automation GmbH builds custom assembly equipment and inspection systems for industrial production. The company grew from more than 35 years of automation and special-purpose machine-building experience within the Marquardt Group, and its 70-person team has delivered more than 350 projects worldwide. MARQ4 stands out by handling the full path from concept and engineering through installation and global service, with particular experience in battery-management production and other demanding automotive applications.
Founded in 1925, Marquardt is a family-owned mechatronics system supplier that develops and manufactures products combining electronics, mechanics, and software. The group serves customers worldwide, with around 9,000 employees and operations at 22 locations, and is particularly active in vehicle systems and intuitive controls for appliances and industrial applications.
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.
Mars Labs, LLC is a small engineering firm that has served automotive testing needs since 1999, with CEO and technical director Ernie Falcone personally shaping its data-acquisition work. Based in Laurel, Maryland, the company develops Titan systems and custom monitoring solutions for organizations conducting demanding vehicle and industrial tests.
Since 1972, Mars Mineral has built its identity around field-proven process development in Mars, Pennsylvania, where it manufactures pelletizing equipment for industrial customers worldwide. Its 45,000-square-foot facility combines manufacturing with material testing, helping companies determine how difficult powders and byproducts can be converted into useful pellets before scaling production.
Mars Perceptrix Corporation makes handheld contrast-sensitivity tests for clinical vision care, low-vision assessment, occupational testing, and research. Its letter and numeral charts measure the lowest contrasts a patient can perceive rather than simply testing visual acuity, using 48 gradually declining contrast levels and scoring that generally takes less than a minute per eye. The company’s numeral version also provides a more language-neutral option for people less familiar with the Western alphabet.
Mars, Incorporated is a family-owned global business that manufactures and sells products across pet care, snacking and food, alongside veterinary services. The company says it has been headquartered and operated in the United States for more than a century, and its portfolio includes brands such as M&M’S, SNICKERS, PEDIGREE and BEN’S ORIGINAL.
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.
Founded in 1960 by Jack Marsh, Marsh Laboratories grew from making plastic pipe cement in a Wilkinsburg garage into a Pittsburgh manufacturer of industrial adhesives and solvent cements. The company says it still formulates and packages its products at its Waverly Avenue facility, and also provides contract packaging and custom formulation for industrial customers.
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.
Family-owned Marshall Boxes has been making custom lumber and plywood crates and pallets in Rochester and Western New York since 1944. Grandfather Sherman Skuse bought the business in 1947 after serving in the Army, and Jeff Skuse now leads the company as its third-generation owner. The company also provides on-site crating and military-spec packaging, with heat-treated lumber for export shipments.
Founded in 1892 by German blacksmith Alexander G. Kloene to forge braces for Civil War veterans and children, Marshall Kloene now creates custom orthotics, pedorthics and prosthetics in Ohio. The practice still emphasizes hands-on fabrication at its own facility while pairing that tradition with current materials and technology, and it works with physicians, therapists and families across its Maumee and Bryan locations.
Marshall Stamping Company manufactures and distributes building products, with its manufacturing facility in Valencia, Pennsylvania, about 25 miles north of Pittsburgh. The company says it has operated since 1951 and serves residential and light commercial construction markets nationwide.
Built from Marshall Chemicals’ more than 90 years of traditional-medicine manufacturing, Marshalls Traditional Healthcare makes and distributes African traditional medicines and health and beauty products from Germiston, South Africa. Owner and Responsible Pharmacist Reema Maharaj acquired the struggling business in 2004 and developed it into a South African pharmaceutical company with a 30-person team, exporting to SADC countries, the United States and Singapore. Its facility is SAHPRA licensed, GMP approved and registered with the U.S. FDA, with ISO 9001:2015 certification from the SABS.
Founded in 1938, Marsilli is an Italian manufacturer whose history began with stand-alone winding machines and has grown into more than 80 years of specialized automation know-how. Based in Castelleone, where it designs and makes nearly all of its machines, the company works with manufacturers that need customized winding and assembly systems for motors or coils.
Marstrand Industries Inc. is a custom metal fabricator based in Pittsburgh, serving Western Pennsylvania and customers beyond since 1981. The family-owned and operated company works from a 50,000-plus-square-foot plant and is known for short lead times and custom fabrication; it is ISO 9001:2015 certified.