Ohio Manufacturers

1 Global Service

Winchester, OH

1 Global Service provides product development, global manufacturing, production oversight, quality control, supply chain management, and logistics support. Its listed manufacturing capabilities include casting, molding, extrusion, CNC, stamping, forming, fabrication, coating, assembly, and tube bending, and its products include automotive and consumer-product components such as truck racks, interior components, plastic parts, gas springs, manifolds, and returnable packaging.

1820 House Candle Company

East Palestine, OH

Born in the kitchen of a circa-1820 farmstead home, 1820 House Candle Company has been shaping fragrant home goods since 2004, with that historic property remaining in the family since 1919. Its East Palestine team pours each candle by hand in an artisanal process rooted in sustainability and community support, sharing proceeds with charitable causes.

1872

Cincinnati, OH

Cincinnati-based 1872 is a software-first manufacturing company founded to rethink how modern production is designed, operated, and scaled. Its senior team draws on experience at SpaceX and GE Aerospace to build an AI-driven factory for complex welded steel assemblies used in energy, utility, and industrial systems.

1HVAC

Troy, OH

Founded in Ohio in 1938 as an HVAC manufacturer’s representative, 1HVAC now supplies residential and commercial systems while manufacturing sheet-metal air-distribution products. Its unusual combination of representation and in-house production gives contractors a single source for equipment, ductwork, fans, and related boiler components. The company serves the Dayton-area market and sells across Ohio, while also operating affiliated HVAC businesses in other regions.

1st Class Marketing, LLC

Twinsburg, OH

Known for its data-first approach, 1st Class Marketing, LLC is a Twinsburg, Ohio team that helps businesses reach customers through targeted direct mail. It handles campaigns in-house for clients nationwide, using audience research to guide each mailing and tracking the response afterward. The company reports more than 400 clients and 156 million households reached.

20/20 Custom Molded Plastics, LLC

Holiday City, OH

20/20 Custom Molded Plastics is known for its structural foam expertise and a management team with more than a century of combined experience in plastics and molding. From its 323,000-square-foot operation, the company helps customers develop and produce custom plastic parts, with ISO 9001:2015 certification supporting its quality systems.

21ST JMT

Minerva, OH

Founded in July 2006 by former Gusmer engineering manager Tim Shocksnider, 21st JMT designs and manufactures plural-component proportioning equipment for foam and plastics applications. Shocksnider brought more than 37 years of industry experience to the company, including work on Gusmer’s proportioners, spray guns and specialized systems for automotive and aerospace use. The company also custom-engineers equipment and supports machines in the field with service and replacement parts.

3-D Med

Franklin, OH

Born from a request for an easier way to demonstrate laparoscopic instruments, 3-D Med makes medical simulation trainers and anatomical models for surgical and patient-care education. The Franklin, Ohio division of 3-D Technical Services developed its first portable, cost-effective laparoscopic trainer without a video tower and now also builds custom simulation products in-house. Its parent company brings more than 40 years of custom product development experience, supported by a 15,000-square-foot facility and 25-person staff.

3-Way Machine & Tool Co

Maria Stein, OH

With more than 25 years in the trade, 3-Way Machine & Tool Co. is a Maria Stein, Ohio, precision job shop known for serving customers across the United States. It takes on both repeat production work and one-off projects, with an emphasis on delivering quality parts on schedule.

365 Technologies

Macedonia, OH

365 Technologies is a Macedonia, Ohio-based design integrator known for turning complex application problems into tailored engineering solutions. Its team brings more than 50 years of industry experience to custom gas spring design and motion-control applications for customers in fields such as automotive, agriculture, and medical equipment.

3D Corrugated Packaging & Fulfillment

Cincinnati, OH

Based in Cincinnati, 3D Corrugated Packaging & Fulfillment makes custom corrugated packaging and helps businesses manage the logistics behind it through warehousing and fulfillment services. The company works with both small businesses and larger operations, offering everything from stock shipping supplies to branded packaging designed around a product’s size and presentation. Its services also include inventory storage, pick-and-pack fulfillment, and preparation for Amazon FBA and Walmart WFS shipments.

3D Dental Designs & Development

Shaker Heights, OH

Launched with a vision for a different kind of dental supplier, 3D Dental Designs & Development is now in its second decade serving dental offices and distributors. The Shaker Heights company is known for practical, economical solutions and for working with distributors on private-label products and customized projects.

3D Infotech

Mentor, OH

Founded in 2005 in Irvine, California, 3D Infotech develops 3D software and turnkey inspection solutions that automate quality control and support adaptive manufacturing. Its work brings together metrology, robotics, computer vision and augmented reality, serving manufacturers with plug-and-play systems for dimensional and visual inspection. The company is ISO 9001:2015 certified and ITAR registered, and has deployed more than 400 solutions.

3D Systems

Mason, OH

Born from Chuck Hull’s invention of stereolithography, 3D Systems became the first company to commercialize 3D printing and now makes industrial additive-manufacturing systems, materials and software. For more than 35 years, it has developed production workflows for demanding applications, including tool-less investment-casting patterns and direct metal parts, while supporting customers through application consulting and a global network spanning more than 68 countries.

3dB Labs, Inc

West Chester, OH

3dB Labs, Inc. develops signal processing and analysis software, manufactures and develops integrated hardware systems, and provides engineering, field support, and training. Its offerings support SIGINT, electronic warfare, TSCM, TEMPEST, spectrum monitoring, geolocation, and related RF analysis applications for DoD, intelligence, NATO, research laboratories, and system integrators.

3E Controls

Mantua, OH

3E Controls is a full-service design firm that designs automation equipment for manufacturing and end-of-line testing. Its capabilities include mechanical and electrical design, control panels and boards, manufacturing jigs, testing equipment, programming, IoT, mobile app development, and ERP shop-floor integration.

3R Sales & Service

Cuyahoga Falls, OH

Since 1995, when Paul Middlecoop purchased the business, 3R Sales & Service has grown from a 3,000-square-foot shop with four pressure washers into a 39,000-square-foot operation with more than 125 machines in stock. Now owned by Jamie and Shannon, the veteran-owned company serves cleaning contractors from Ohio and a second location in Bushnell, Florida, while its experienced technicians provide equipment support and custom mobile wash builds.

3rd & Sycamore

Columbus, OH

Born from a soap-making hobby in the first floor of Jim and Candyce’s home, 3rd & Sycamore now crafts handcrafted bath and body products and hand-poured candles in Columbus, Ohio. Founded in 2018 under the former name Tiki Botanicals, the business has grown into multiple retail stores, an online shop, and a corporate gifting operation. Its owners and staff continue to develop the scents, formulations, labels, and sustainable packaging themselves.

3x5 Life

Westlake, OH

Founded by Bryan and Jessie McFarland, 3x5 Life creates pocket-sized analog cards that bring gratitude, reflection, and daily task management together in one portable system. The company’s approach keeps those prompts visible throughout the day, offering a tangible alternative to productivity apps and digital distractions. Now led by Matt Walker, a high-performance leadership psychologist, 3x5 Life is carrying that original card-based practice into its next chapter.

419 GRAPHIX

Mansfield, OH

Opened in 2011, 419 GRAPHIX is a Mansfield, Ohio graphics shop that produces custom visual work for businesses and individual customers. The company keeps production in-house and is a Wrapify Certified Installer, with a focus on tailored vinyl graphics such as vehicle wraps.

48 Hour Books

Akron, OH

For more than 40 years, 48 Hour Books has printed bookstore-quality books for self-publishing authors, pairing fast production with in-house binding and hands-on prepress review. The Twinsburg company operates from a 50,000-square-foot headquarters and has printed millions of books for more than 10,000 authors, including distinctive editions finished with options such as Diamond 3D covers and printed edges. It is also a BBB Accredited Business.

48 Hour Books

Twinsburg, OH

For more than 40 years, 48 Hour Books has helped self-publishing authors turn manuscripts into bookstore-quality books through fast, in-house printing and binding. Based in Twinsburg, Ohio, the company operates from a 50,000-square-foot headquarters and has printed millions of books for more than 10,000 authors. Its prepress team reviews files before production, while distinctive options such as Diamond 3D covers and full-color printed edges give authors unusual control over a book’s finished look.

48HourPrint.com

Brook Park, OH

Founded by three graphic designers in 2001, 48HourPrint.com is an online commercial printer producing customized marketing, packaging, signage and direct-mail materials. Its design roots show in free online templates, file review and editing tools, while its Cleveland and Van Nuys facilities support guaranteed turnaround options as quick as 24 hours. The company says its work has earned 37 international print awards, including 21 golds.

4Most Innovations, L.L.C

Minster, OH

From Minster, Ohio, 4Most Innovations makes the Gotcha Sprayer, an adaptor that lets users trigger aerosol cans or powder dusters from the end of an extension pole. Its design is aimed at hard-to-reach jobs such as treating wasp nests and testing smoke detectors while reducing ladder use, overspray, and exposure to chemicals. The company also sells complete spray-and-dust systems and related cleaning, painting, and landscaping attachments.