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OH
Founded in 1966 by Robin Hance, this family business has grown into one of Ohio’s largest high-tech, sheet-fed commercial printers. Robin Enterprises remains based in central Ohio, pairing a 136,000-square-foot facility with in-house production from prepress through delivery and a custom folding-carton division. Its environmental program has cut hazardous waste by 95% since 2002 and earned recognition from the EPA.
Founded in 1947, Robin Industries is an employee-owned manufacturer that designs and molds rubber and plastic products, with a long-standing focus on automotive and medical components. The company serves automotive, medical, defense, and industrial markets from its Ohio operations, with additional manufacturing in Mexico.
Family-owned since 1983, Robinson Fin Machines is a Kenton, Ohio manufacturer known for developing unusual folded-fin designs for heat-transfer applications. Its 100,000-square-foot facility supports custom and prototype work for industrial customers, backed by AS9100 and ISO 9001 quality systems.
Born from Pioneer Industrial Systems’ effort to make highway maintenance safer, Robotic Maintenance Vehicles builds truck-mounted robotic systems for roadwork, beginning with its patented Robotic Crack Sealer. The Toledo-based company integrates a FANUC robot with crack-sealing equipment and AI vision so one operator can maintain pavement while staying inside the vehicle, collecting detailed work data along the way. RMV is also developing additional road-maintenance platforms, including a traffic rover and robotic pothole filler.
Since 2012, Robotic Technical Support Services has designed, installed, serviced and upgraded turnkey robotic automation systems for factories and manufacturers. Toledo-area RTSS is especially known for robotic paint, spray and dispense applications, while also building customized machine-tending and material-handling systems. Its team supports projects from engineering and integration through programming, commissioning and preventive maintenance.
Since 1993, Roboworld has made custom protective suits for industrial robots and shock-absorbing bumpers for their teach pendants. Its Robosuits are manufactured in the USA at two Wisconsin facilities, where the company produces more than 1,000 suits a year and has delivered over 5,000 to date. Roboworld also developed Pendant Armor, a Santoprene case tailored to more than 20 teach-pendant models across 11 OEM manufacturers.
Founded in 1962 as a barricade rental company, family-owned Rocal now fabricates highway and specialty signs at its more than 200,000-square-foot facility in Frankfort, Ohio. The company supplies contractors across North America with signs shaped to federal, state, and agency specifications, and supports projects from engineering through delivery. Rocal also maintains Florida operations for stored materials and project support.
Röchling SE & Co. KG is a family-run plastics group that traces its business to Friedrich Ludwig Röchling’s 1822 coal-trading enterprise and has developed into an international specialist in customized plastics. The group operates Automotive, Industrial, and Medical divisions, with 11,401 employees across 84 locations in 25 countries and 2025 sales of €2.547 billion. Its industrial business supplies thermoplastics and composite materials as semi-finished products and machined components, while its other divisions make plastic systems and components for mobility and healthcare.
Rock Candy Holds grew out of a garage project by climbers making the holds they wished they had, and now produces climbing holds and wood volumes for home walls and commercial gyms. Its polyurethane holds are cast with custom-formulated material and precision molds, while its volumes use CNC-cut panels and composite construction for consistent setting. Founders Nathan and Liz Yokum remain closely involved, with Nathan also co-founding Rock Mill Climbing.
Veteran-owned Rock Ridge Outdoors LLC is a Minden, Louisiana, outdoor company built around a portfolio of hunting brands and a community of outdoor enthusiasts. Through its ambassador and pro-staff programs, the company supports product education and real-world feedback while bringing gear such as Cupped Waterfowl products to hunters.
Rocking Solar is a commercial-rooftop solar company whose team brings more than 20 years of experience in developing products for the built environment. It is known for adapting single-axis tracking to low-slope roofs, where its low-profile design can improve energy production without requiring roof penetrations. The company’s work has been recognized as an American-Made Solar Prize finalist and through a GSA field installation.
Founded in 2010, family-owned Rockmill Brewery makes farmhouse ales on a 23-acre 19th-century horse farm near Lancaster, where the headwaters of the Hocking River filter through Black Hand Sandstone. Its tasting room carries that sense of place into a welcoming gathering spot, with fresh beer, Backcountry BBQ and a historic farmhouse setting that also hosts private events and weddings.
Rockopolis is a U.S. specialty materials company known for precision resizing and screening of lightweight aggregate. Based in Ashtabula, Ohio, it tailors tightly controlled gradations for engineered applications where consistent particle size matters.
Since 1955, Cleveland-based Rockport Machine Company has built machinery for producing and processing spiral-wound tubes and cores used in paper, film, and foil converting. Its history began with patented recutting technology for Union Carbide and Eveready battery casings before the company expanded into a full line of winding, cutting, and tube-processing equipment. Now operating from a 20,000-square-foot production facility, Rockport remains owned by Robert L. Fulop, who acquired the company in 2013.
Created by a collective of abrasive specialists, RockRidge Abrasives supplies hand-selected and thoroughly tested materials for blasting, waterjet cutting and surface finishing. The company is particularly focused on premium garnet, pairing its abrasive media with waterjet replacement parts and application knowledge to help customers improve cutting performance. RockRidge serves customers through dozens of distributor locations across the United States and Canada, and its blasting garnet is backed by SSPC-AB1 certification and CARB approval.
Founded in 2009, family-owned Rockside Builders is a boutique Herbert, Saskatchewan shop that designs and builds custom cabinetry and millwork for residential and commercial projects. Its team makes every cabinet, door and hardwood molding in-house, combining computer design and CNC capacity with hands-on craftsmanship, and handles installation itself. The company’s work includes everything from kitchen renovations to distinctive furniture and commercial interiors, including an AWMAC Best Commercial Project award for its 2019 Manchu Wok project.
Rocksolid Surfaces designs, fabricates, and installs countertops and other hard-surface applications for residential and commercial projects in the Cleveland region. The company has served the region since 1979 and describes its work as craftsmanship in countertop fabrication, including residential renovations and substantial commercial projects.
Rockwell Automation is a Milwaukee-based public company known for its focus on industrial automation rather than a broad mix of unrelated businesses. It helps manufacturers run smarter, more connected operations through automation technology and related support, serving industries such as cement production and general manufacturing.
Born from R. James Rockwell Jr.’s early prediction that laser use would drive demand for specialized safety expertise, Cincinnati-based Rockwell Laser Industries has spent more than 40 years providing laser safety training, consulting, and protective products worldwide. Its work ranges from custom laser enclosures and facility reviews to CDRH compliance support and the LAZAN hazard-analysis software, serving industrial, medical, and aesthetic users. RLI’s instructors and consultants also contribute to ANSI and IEC standards, giving the company an unusually direct role in shaping the rules its customers use.
Formed by a handful of West Side neighbors in 2010, Rocky Ridge Neighborhood Association is a resident-led civic group serving Youngstown’s Rocky Ridge community. The association became an Ohio 501(c)(3) charitable organization in 2014 and is known for turning volunteer projects into tangible support for the neighborhood and Mill Creek MetroParks, including its community maple-syrup effort.