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OSG USA, Inc. makes cutting tools and cold forming products and is the North American operation of OSG Corporation. OSG’s manufacturing history dates to 1938, when Hideo Osawa established OSG Grinding Co., Ltd. in Tokyo and began making taps and dies; the company later expanded its production to screw gages, rolling dies, end mills, drills, and cutter bodies. OSG USA was established in 1968 and relocated its headquarters to St. Charles, Illinois, in 2019.
Born on the jobsite from tradesmen seeking better everyday performance, OSI makes construction sealants, adhesives, foams and tapes for professional installers. Its QUAD Window & Door System brings flashing, foam and sealant together, while the company supports the products with certified training, building-science expertise and jobsite guidance. OSI also stands out for its siding sealant color-matching program, which covers more than 9,200 colors.
Founded in Columbus in 1975 to address a shortage of plastic sewer pipe, OSI Plastics now makes pipe and custom plastic profile extrusions for customer-specified designs. The Ohio Steel Industries division has remained in the extrusion business for more than 40 years, with particular experience producing HDPE duct for telecommunications and utility infrastructure. Its Columbus and Delaware facilities manufacture in the United States, and the extrusion plant is ISO 9001:2015 registered.
OSMedTech develops and manufactures respiratory diagnostic solutions, with a focus on multiplex testing for over-the-counter and point-of-care use. Its facility includes three GMP-grade clean rooms and two automated production lines, supporting stated monthly capacity of 300 million lateral-flow assay units. The Cleveland-based company is designing the platform for U.S. manufacturing and domestic supply-chain resiliency.
OsteoDx develops an investigational, radiation-free device that measures bone mechanics noninvasively through its Cortical Bone Mechanics Technology (CBMT™). The Athens, Ohio company was co-founded by Brian Clark, a musculoskeletal health researcher, and its platform uses controlled vibration at the forearm to assess properties such as bending stiffness and flexural rigidity. CBMT has received more than $10 million in NIH-supported research and development and is intended for research and clinical-study settings rather than routine clinical use.
Led by co-founder and orthopedic spine surgeon Anand Agarwal, OsteoNovus develops FDA-cleared moldable bone substitutes, including its NovoGro platform, for bone repair. The company’s team brings more than 90 years of combined research experience and has performed over 10,000 orthopedic surgeries; its products are made in the USA under an ISO 13485-certified quality system.
From its Swiss headquarters in Lyss, Osterwalder Technology AG develops and builds electric powder presses and related production technology for powder-metallurgy parts. The company brings more than 140 years of experience to customer-specific process development, including simulation, tooling concepts and practical press testing through its Customer Solution Center. Its Osterwalder CARE service supports machine productivity with maintenance, calibration and round-the-clock technical assistance.
OTC DAIHEN designs, builds and installs robotic and manual welding systems, with arc-welding robots at the center of its work. The U.S. operation traces its roots to 1979 and moved its headquarters to Ohio after establishing a Dynamic Robotic Division there in 1996. Drawing on a company history that began in Japan in 1919, OTC DAIHEN supports customers with training, service and parts as well as integrated welding automation.
Since 1963, OTC Industrial Technologies has grown from Ohio Transmission Corporation into a national industrial partner known for helping manufacturers keep equipment running. Based in Columbus, the company supports customers through 60 branches and a team of 2,000 associates, combining engineering experience with service and repair expertise for facilities across the United States.
With roots in Ohio Transformer’s 1946 founding, OTC Services remanufactures and repairs dry-type and liquid-filled transformers for industrial and utility customers, while also designing and building new units. Its Northern Ohio operation occupies a 100,000-square-foot facility with direct rail access and a 100-ton overhead crane, supporting work that ranges from shop repairs to field service. OTC became part of the SGB-SMIT Group in 2012, linking its transformer work to a group with more than a century of design and manufacturing history.
Since its 1997 founding around a patented clamp design, Ottawa Products Co. has grown from a garage operation into a Curtice, Ohio manufacturer serving demanding vehicle and industrial markets. The company is known for owner-accessible customer service and operates from a 28,000-square-foot facility under an ISO 9001:2015-certified quality system.
Founded in 1909, Ottevanger designs and builds complete automated feed mills and the equipment, automation and services that keep them operating worldwide. Dutch craftsmanship remains central to the company’s work, which is now brought together under one name with expertise spanning feed-mill design, production technology and lifecycle support. More than 300 colleagues work across engineering, production, installation, service and commissioning.
Celebrating its centenary in 2024, Otto Junker GmbH of Simmerath builds industrial furnace and thermoprocessing systems for foundries and semi-finished metal producers. Its work spans the process chain from induction melting through heat treatment, with recycling and process-optimization technologies rounding out the offering. A global service organization supports customers with installation, modernization, maintenance and troubleshooting around the clock.
The OurPet’s Company designs, produces, and markets innovative pet products and accessories in the United States and overseas.
Outdoor Image USA carries forward the legacy of Kramer Graphics, the Dayton company Mary Lou Kramer founded in her basement in 1976. After establishing Outdoor Image in Duluth in 2013 and acquiring Kramer Graphics in 2019, the company operates from Ohio and Georgia, combining long-standing graphics experience with an expanded Design Center for collaborative, deadline-driven work. It serves brands and production teams with large-format visual projects, including billboard graphics.
Founded in 1993 as MAP Software, Outlier Technologies develops compliance-monitoring software and integrates mobile hardware for government and regulated-service inspections. Its SansWrite platform has grown from inspection software into a cloud-based system for automating inspections, corrections, and public compliance information, while the company’s TREWGrip spin-off grew from efforts to make mobile typing more practical. Outlier’s work is used by state health and human services agencies, with a stated focus on helping communities protect people who cannot protect themselves.
OUTTASIGHT Hair makes a multi-tasking scalp serum designed for natural hair and protective styles, including braids, sew-ins and wigs. Its water-based formula is intended to cool and soothe itchy or tense scalps, moisturize for up to 72 hours, and purify without washing the style. The brand grew from customer concerns about hair health and discomfort beneath protective styles and serves people who like to switch up their looks.
Founded in 2001, 4over, LLC is a B2B wholesale trade printer that fulfills print orders for qualified resellers and related industry service providers. From its origins in Glendale, California, it grew into a North American production network with six production facilities and produces print materials such as business cards and brochures alongside specialty print work.
Overhead Door Corporation manufactures and supplies access products, including doors and door operators, through three operating divisions and a portfolio of brands. Founded on C.G. Johnson’s 1921 invention of the upward-acting garage door, the company also traces its innovations to the first electric garage door opener in 1926. It reports more than 4,000 employees, 16 manufacturing facilities, and headquarters in Lewisville, Texas.
Since its founding in 1972 by physicist Dr. Mario W. Overhoff, Overhoff Technology has built its identity around the specialized work of measuring tritium. The Milford manufacturer serves users in nuclear power and research with purpose-built monitoring instruments, while retaining a strong product-development focus that includes custom designs. Its USA-made equipment is produced under an ISO-9001:2015-certified quality system.