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OH
With more than 70 years of mold-making experience, Colonial Machine designs and builds precision tooling for injection, compression, and blow molding from its Ohio machine shop. The company also provides CNC machining and CMM inspection, combining traditional craftsmanship with modern technology for complex parts and production-ready tools. Colonial Machine is ISO 9001:2005 certified with design and operates as a single, integrated team under one roof.
Colonial Surface Solutions is an industrial metal cleaning and coating company that performs abrasive cleaning, coating removal, chemical pretreatment, liquid painting, powder coating, and military CARC applications. It also provides assembly, kitting, packing, and shipping for metal parts and serves agriculture, commercial, industrial, government/military, structural and architectural steel, custom fabrication, wastewater treatment, and OEM customers.
Color Ad Packaging Ltd. makes flexible packaging in Winnipeg, with a particular strength in high-volume flat-bottom bags and lab-certified child-resistant stand-up pouches. Its packaging is printed by rotogravure or HD flexography, and the company operates an in-house lab for testing packaging performance. Color Ad says it is North America’s first G7-certified gravure packaging printer and one of only a handful of G7-certified flexographic packaging printers.
Color-Logic Inc. develops print color-communication and software systems that let printers and designers create, calibrate, and preview metallic and other embellished effects. Its distinctive Color-Logic System works with silver or white ink and toner, allowing printers to produce their own press-specific swatch books while designers build effects in Adobe applications and preview them before going to press. The company also offers Touch7 for expanded-gamut neon printing and Visualis3R for real-time embellishment visualization, each available independently of a Color-Logic license.
Founded in 2003, ColorCoat applies exterior coatings to vinyl windows and doors for manufacturers and has grown from a West Sacramento facility to locations across the United States. It describes itself as the largest independent paint applicator in the country and the only independent AAMA Gold Label certified applicator in the United States. Its senior management team brings more than 85 years of painting and fenestration industry experience.
Family-owned since John and Joanna Colozza opened it in 1975, Colozza’s Bakery has grown from its Cleveland beginnings into a Parma institution. Since the early 1990s, their son Angelo and his wife, Joan, have operated the bakery, carrying forward techniques John learned during his pastry apprenticeship in Rome. The family is best known locally for creating wedding cakes and other cakes for life’s special occasions.
COLSA Corporation began in 1980, when Francisco and Carmen Collazo founded the company in their Huntsville home garage. Still shaped by that family-founded history, COLSA has grown into a national team of more than 1,500 employees while retaining a people-first, local character. The company provides engineering and mission support to government, civil, and commercial customers, including through its Huntsville-made Blue UAS-cleared drones.
COLTENE develops and manufactures dental consumables and small-size equipment, with solutions spanning everyday treatment workflows from restorative care to endodontics. The Swiss-based group has focused exclusively on dentistry since 2008 and employs around 1,400 people following its 2018 acquisitions of SciCan and MicroMega. Its development centers in Ohio, Germany, and Switzerland draw on polymer chemistry and materials science, while its academy works closely with dental educators and practitioners.
Columbia Chemical Corporation began in 1975 when two chemists established the company in a former Cleveland textile mill. Now headquartered in Brunswick, the 100% employee-owned company has spent more than 50 years developing specialty chemistry for the surface-finishing industry, with a particular history in zinc plating and trivalent chromium processes. Its employee-owners also provide toll blending for customers who need additional chemical manufacturing capacity.
Established in 2017, Columbia Packaging Group manufactures custom flexible packaging, including printed bags and rollstock, through facilities in California and Ohio. The company grew through acquisitions of M&M Printed Bag and Packaging Materials Inc. and later launched Biolo, its proprietary line of compostable packaging, alongside Terra-V compostable film and PCR film made with post-consumer recycled resin. Its quality and sustainability credentials include BRC, AIB, TÜV and BPI certifications.
Columbiana Foundry Company has produced steel and iron castings in Ohio since 1933. The foundry makes castings from prototype through low- and medium-quantity production runs, and describes its history as more than 90 years of operation. Its work includes both steel and iron castings across a broad range of ferrous alloys.
Women-owned and led by Ohio native Denise Falter-Conklin, Columbus Apparel Studio brings more than 25 years of fashion-industry experience to its Columbus studio. The company works with designers, entrepreneurs, retail brands and boutiques to turn early ideas into production-ready apparel, with small-batch manufacturing handled in-house.
Family- and woman-owned Columbus Canvas Products has been making American-made custom fabric products in Columbus since 1965. The company grew from a local canvas awning manufacturer into a small team that takes projects from prototype through production for customers nationwide, with a particular focus on practical solutions for medical and industrial users. It is ISO 9001:2015 certified and WBENC certified.
Founded in 1981 by Gary E. Hanold, Columbus Controls builds custom industrial control panels and fabricated control systems in Columbus, Ohio. The company has grown from a 1,500-square-foot Westerville shop into its own expanded facility, bringing more than four decades in business and over 100 years of combined team experience to applications ranging from data centers to automotive and oil and gas. Columbus Controls is also a UL 508A certified shop, with related expertise in MCC modifications and custom control-panel components.
Opened in 2007, Columbus Custom Tees is a Central Ohio apparel printer producing custom-decorated shirts and other garments in-house through screen printing and digital methods. The Columbus company expanded its production area in 2013, reached one million shirts printed around its 10-year anniversary, and added digital printing in 2020 for smaller orders. Four working partners own and operate the business, which also provides rush service, web stores, and fulfillment for regional customers.
Started in 2013 by two friends with decades of manufacturing experience, Columbus Design & Manufacturing is a small Columbus, Ohio company built around making U.S. custom manufacturing more accessible. It helps established brands, startups, and inventors turn ideas into products, combining design support with production and fulfillment in one operation.
Founded in 1975 as Columbus Gasket and Supply, Columbus Gasket manufactures custom gaskets, seals and molded parts for industrial and manufacturing customers across the Midwest and North America. Its specialty shop combines more than 80 years of team experience with hand-cut work for unusual parts, while modern cutting and forming equipment supports both small custom jobs and large production runs. Since its 2023 acquisition by Cleveland-area Essential Sealing Products, the company has continued expanding its materials and customization options.
Founded in Columbus in 2011 by Jan Kellogg, Columbus Healthcare Products makes patient-positioning accessories for diagnostic imaging departments. Its Scan-Bands® security straps began as a collaboration with a local teaching hospital and technologist, then grew into a broader line of imaging table pads, protective covers and positioning supports sold nationally and internationally. The company emphasizes MRI-safe, latex-free, easy-to-clean designs that help technologists improve patient safety, comfort and scan efficiency.
Columbus Industries is a global manufacturer of quality filters, founded in 1965. The company designs and manufactures a wide range of air filtration products, including metal mesh, HEPA, pleated, and molecular/gas phase filters, for applications such as OEM, HVAC, air purifiers, and commercial/industrial use. All filters are manufactured in North America, and the company is known for its innovative technologies like Surface Modified Activated Carbon and Foam in Place Gasketing.
Since 1970, Columbus Instruments has designed and manufactured scientific instruments for monitoring behavior and physiology in laboratory animals, along with environmental research systems. Founded by Dr. Jan Czekajewski, the Columbus, Ohio company pioneered commercially available activity monitors and indirect calorimetry, later developing its Micro-Oxymax respirometer in response to EPA remediation research after the Exxon Valdez spill. Its in-house engineering team continues to build customizable instruments used by researchers worldwide, with more than 21,000 scientific citations.