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In Malta, Ohio, Hann Manufacturing builds classroom furniture and casework for spaces ranging from art rooms to science labs and vocational workshops. Its furniture is made with traditional details such as mortise-and-tenon joinery and dovetailing, using solid North American hard maple or red oak in structural components. Hann also modifies standard designs or builds custom pieces for project-specific requirements.
Founded in 1896, Hannecard makes industrial roller coverings and coatings and supports them with repair, maintenance, grinding and optimization services. The group combines more than 120 years of experience with a worldwide network spanning 17 countries, more than 25 production sites and over 1,000 employees, while maintaining local partnerships to standardize roller technology across markets.
Since 1896, Hannecard has grown from its long industrial heritage into a global group known for specialized roller coverings and coatings. Its Ohio division serves manufacturers with roller refurbishment and related surface work, backed by more than 900 employees and production sites in 17 countries.
Founded in Canton in 1926, Hannon Electric Company repairs, rebuilds and sells electro-mechanical equipment for industrial customers, with particular depth in electric motors and related systems. Now in its third generation, the company operates repair facilities across Ohio and in Pennsylvania, including large shops equipped to handle machinery weighing up to 200 tons. Its Hanco International division, formed in 1951 to serve mining and power companies, continues to sell and service equipment worldwide.
Founded in 1986 as an automotive climate-control supplier, Hanon Systems now develops and manufactures thermal and energy-management systems for electric, hybrid, plug-in hybrid and fuel-cell vehicles. The Hankook & Company Group subsidiary operates a global network of more than 50 manufacturing sites and 20,000-plus employees, with particular depth in automotive compressors and vehicle heat management. Its expansion into electrification includes a new Canadian e-Compressor plant and R&D center planned for Vaughan, Ontario.
What began as Eddie and Beth McDonald’s decade-long winemaking passion became Butler County’s first winery when Hanover Winery opened in 2009 on their rural Hanover Township farm. The couple turned a hobby shed into a tasting room and grew the property into a vineyard and wine-production operation known for more than two dozen award-winning wines, with wood-fired pizza added in 2023. Hanover Winery is currently closed as the owners retire after more than 16 years, with a possible reopening dependent on a new owner.
HANSA-FLEX USA supplies and custom-manufactures hydraulic hose lines, precision-bent pipe assemblies, and fluid-power connection technology as part of the HANSA-FLEX Group. Its distinctive reach combines multiple U.S. locations with mobile hydraulic workshops that can manufacture replacement hose lines on-site, helping customers respond to equipment failures without waiting for a shop-built assembly. The company’s quality systems include ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications.
In Cincinnati’s Northside neighborhood, Happy Chicks Bakery is an independent vegan bakery creating custom cakes and pastries for weddings, birthdays and other celebrations. Its handmade work pairs unusual, seasonal flavors with artistic presentation, while the shop also serves rotating sweet treats and light café fare. The bakery sources organic, local ingredients from Cincinnati-area farms and operates in a dedicated dairy- and egg-free kitchen.
Happy Go Healthy®, Ltd. is a U.S.-made pet wellness company built around the idea that dogs’ immune health belongs at the center of daily care. Its supplements are formulated for dogs of all breeds, ages, and sizes, with a focus on supporting everyday wellbeing rather than addressing just one stage of life.
Born from a Lancaster pastry chef’s own 2011 celiac diagnosis, Happy Goat Gluten-Free Bakery and Bulk Foods has been turning familiar desserts into safe, from-scratch baked goods since opening in 2015. Its dedicated gluten-free kitchen makes custom cakes and cupcakes alongside options for dairy-free, vegan, and keto customers, with a mobile cake cart bringing miniature cakes and service to local events.
From its Bedford, Ohio roots, HAR Adhesive Technologies makes and supplies industrial adhesives while pairing them with application equipment and engineering support for manufacturers. Founded as HARAD Chemical in 1962 and purchased by Joe Cerino in 1996, the company has grown from four employees to more than 50 and serves customers nationwide. HAR’s distinctive approach is to examine the entire adhesive process—from difficult product assemblies to high-speed packaging lines—rather than treating the adhesive as a standalone product.
Based in Willoughby, Ohio, Harbinger Engineering manufactures machined parts and components through CNC milling and turning, with five-axis machining for complex geometries. The shop also models parts from CAD files or existing components and offers industrial laser marking, giving customers a straightforward path from an idea or drawing to a finished part. Its online quoting system typically responds in less than 24 hours for uncoated parts.
Harbor Castings Inc. is an investment-casting foundry that produces ferrous and non-ferrous castings, including parts made to customer blueprints. The company opened in 1992, grew through acquisitions, and consolidated its divisions at a Cuyahoga Falls, Ohio facility in 2014. It reports casting more than 100 different alloys and maintaining in-house tooling and machining capabilities.
Established in 1969, Harco Industries, Inc. is a small-business manufacturer of petroleum equipment based in Slippery Rock, Pennsylvania. It supplies fuel nozzles and related fueling components through distributors around the world, and also offers abrasive blasting of customer parts.
Founded in 1948, Harco Manufacturing makes HAPCO exhaust silencers and spark-arresting systems for industrial, stationary and marine engines. The second-generation family business developed its own airflow testing equipment while pioneering exhaust spark-arrestor technology, and remains the only manufacturer offering an externally mounted locomotive spark arrestor qualified by the USDA. Harco also specializes in custom-engineered, compact silencer designs for installations where space and fit matter.
Cincinnati-based Hardbox Corporation specializes in industrial automation hardware and HMI visualization systems, including industrial computers, touchscreens, networking equipment and mounts. Since August 2025, it has held the U.S. sales and distribution rights for Parker Hannifin’s InteractX and Interact HMI software, while also developing replacement hardware for legacy Parker platforms. Hardbox supports these products with technical assistance, software downloads and help for ongoing HMI projects.
Since 1958, Hardwood Lumber Company has handcrafted custom hardwood products in Middlefield, Ohio, from butcher-block countertops and stair parts to cutting boards and cabinetry. Its local artisans work with sustainably sourced domestic hardwoods and exotic species, tailoring pieces for homeowners, designers, and professionals. The company’s made-to-order cutting boards can be personalized with features such as engraving, juice wells, or handles.
Hardwood Products LLC, associated with T&D Thompson, is a Laurelville, Ohio lumber business that processes and sells wood products and firewood. T&D Thompson says it has done business in Laurelville for more than 70 years and is a fourth-generation family-owned business. Its lumber yard serves professionals and customers across Ohio and the Appalachian area.
Since 1918, Hardy Process Solutions has made industrial weighing instruments, sensors, load cells, and scales for process and packaging operations. Its instruments and PLC plug-in weighing modules are designed and assembled in the USA, with products manufactured in ISO 9001:2015-certified plants. Hardy is particularly known for C2® weight-free calibration and built-in diagnostic tools that help plants install, maintain, and troubleshoot weighing systems with less downtime.
Harlan Graphic Arts Services, Inc. has been printing for Cincinnati and beyond since 1980, producing custom print and large-format graphics for businesses, institutions and municipalities. The Cincinnati shop stands out for carrying projects from short-run packaging prototypes and ADA/Braille signage through environmental graphics, with professional installation available to bring finished designs into the space. Its work includes projects for the Cincinnati Reds, hotels and other regional organizations.