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Family-owned Rodem Inc. grew from founder Bob Diener’s 1971 purchase of a dairy processing plant into a sanitary-process specialist serving the processors that feed, nourish, and heal America. After more than five decades, the company combines regional support with national reach, backed by longstanding manufacturer relationships and a culture shaped by Diener’s family-first values. Its Ohio operation is particularly known for custom stainless-steel fabrication for demanding sanitary environments.
ROE Dental Laboratory is a family-owned dental laboratory that has operated continuously since 1933, producing American-made restorations for dental practices. It combines traditional technician craftsmanship with digital design and fabrication, and provides specialist support for fixed, removable, implant and full-arch dentistry.
Family-owned for more than 25 years, Roe Enterprises Inc. serves Shelby and surrounding counties from its Sidney operation. The company is especially known for recycling wood waste into mulch and taking on substantial excavation work for residential, commercial and agricultural customers.
Established in 1937, Roemer Industries is a long-standing Masury, Ohio manufacturer known for custom industrial identification products. Its 55,000-square-foot facility produces made-to-spec metal nameplates and related identification solutions for manufacturers working in demanding environments, with quality systems certified to ISO 9001:2015.
Based in Kolbermoor, ROFA INDUSTRIAL AUTOMATION AG develops materials-handling systems and customized automation, delivering turnkey production plants for customers worldwide. As the parent company of the ROFA Group, it can draw on the group’s broader engineering and intralogistics capabilities while managing projects from planning through system integration and support. ROFA’s history includes its first automotive-industry projects in 1974 and its first automated guided vehicle at Volkswagen in 1989.
Since 1951, Akron-based Rogers Industrial Products Inc. has built and supported tire-curing machinery, including new and rebuilt presses and specialized parts for existing equipment. Its 240,000-square-foot production facility combines decades of press expertise with updated technology to develop customized equipment and extend the working life of tire-manufacturing machinery. Rogers also provides rebuilding, calibration, startup, and technical support for customers worldwide.
Rooted in Cleveland, where it was founded in 2012, Rogue Eyewear brings an unconventional point of view to designer sunwear. The brand is best known for pushing beyond standard frames with unusual materials while keeping its designs wearable and classic.
Rogue Fitness sells strength and conditioning equipment, apparel, and related gear, and provides equipment outfitting for gyms ranging from home gyms to military bases and professional sports teams. Its Columbus, Ohio headquarters and facility-outfitting service are presented alongside a broad catalog of Rogue-branded fitness products.
Founded by brothers John and David Rohrer in 1973, Rohrer Corporation has grown from its Ohio roots into a national manufacturer serving consumer-product companies. Its distinctive ezCombo® program brings multiple customers’ orders together on shared production runs, making smaller packaging quantities more accessible while retaining custom retail presentation. Rohrer now operates nine facilities across the United States and Mexico, with its headquarters in Wadsworth.
Since 1969, Rol-Fab Inc. has been a large-scale custom fabricator serving industrial and non-industrial customers from its substantial Cleveland-area facility. The company is known for taking on oversized work, including ASME pressure vessels, and operates as an authorized ASME Section VIII, Division I code shop.
Founded in 1965, ROLAND ELECTRONIC GmbH is a German industrial technology company known for protecting production processes through reliable inspection systems. Its equipment helps manufacturers prevent damage and avoid defective output, with more than 100,000 systems supplied to 5,000 customers across all continents and worldwide service support.
Rolfes Holdings Limited manufactures and distributes chemical and organic products through five South African divisions serving agriculture, food, industrial chemicals, leather and water-treatment markets. Its breadth is distinctive: the group combines crop and soil-health products with food ingredients, leather-tanning chemistry and tailored industrial water-management solutions. Rolfes describes itself as an empowered, industry-compliant business, with subsidiary operations including an ISO 17025-accredited analytical laboratory and ISO 9001:2015-certified ingredient branches.
Founded by physicist and software-optimization veteran Don Scipione, Cleveland-based Roll-A-Rack is a small technical company developing solar racking for land-constrained projects. Its field-formed system is being tested through pilot work with installers and site owners seeking to use difficult or sensitive parcels for solar.
Roll-A-Reel manufactures reel-handling platforms for pay-out and take-up of materials on reels. Its products include three platform styles with laser-cut, robot-welded chassis, roller assemblies, bearings, locking pins, adjustable rear rollers, optional side rollers, and stocked OEM replacement parts.
Since 1940, Roll-In Saw Inc. has built American-made band saws, beginning with its patented gravity-fed vertical bandsaw—the first of its kind in the United States. The Brook Park manufacturer also designs custom saws and provides CNC manufacturing and Swiss screw machining, while supporting machines in the field with replacement parts and blades.
Founded in 1987 as a family-owned company, Rolleri S.p.A. makes standard and special tools for press brakes and punching machines from its facility in Piacenza province, Italy. The company has expanded its in-house production to include shear blades and serves metalworking customers internationally, with a particular focus on press-brake tooling for both original-equipment manufacturers and the after-sales market. Its patented clamping systems and customer-focused technical support reflect a long-running emphasis on practical solutions and service.
A fourth-generation, family-owned Springfield company founded by H. W. Rollins in the late 1800s, Rollins has spent more than a century helping businesses move goods through complex supply chains. It is particularly known for handling military-spec shipments, with more than 30 years of experience meeting government packaging and documentation requirements. Rollins also operates more than 500,000 square feet of facilities across multiple states.
Founded in Nottingham in 1902, Romo designs and supplies designer fabrics and wallcoverings for interiors. Still family-run in its fifth generation, the company developed its in-house design studio in the 1980s and now launches collections twice a year through a network spanning more than 70 countries. Romo is the founding brand of The Romo Group, which employs more than 370 people and remains based in Nottinghamshire.
Founded as a small family-run shop in 1980, Ron-Al Mold & Machine builds rubber molds and machines metal parts from its Kent, Ohio facility. Its mold-making roots in the automotive, railroad, and appliance industries now sit alongside general and production machining, with a fabrication division added through the acquisition of Cleveland-area JDJ Metal Fabricators. George Bain took ownership in December 2025 and continues the Siciliano family’s decades-long legacy serving Northeast Ohio and the broader Great Lakes region.
Since 1978, Ronlen Industries has been known for precision metal stampings made for demanding industrial customers. Its Brunswick, Ohio, operation keeps tooling construction in-house and supports projects from early design through production, with automotive customers among those it serves. Ronlen is ISO 9001:2015 certified.