For more than 75 years, Dayton Superior Products has been a Troy, Ohio manufacturer known for an application-driven approach to power-transmission work. Rather than limiting customers to catalog dimensions, the company adapts standard designs or develops custom components for everyone from inventive entrepreneurs to Fortune 500 manufacturers.
RoHS compliance
Compliance program
Dayton Seals + PackingFor more than 30 years, Dayton Seals and Packing has been a Dayton-based manufacturer and distributor serving OEMs with hydraulic and pneumatic sealing components. Its work spans custom-engineered solutions and dependable aftermarket parts, with support extending from design through development.DAYTON, OH
Trojon Gear, IncSince 1957, Trojon Gear has been a Dayton manufacturer known for precision work shaped to customer prints, from one-off prototypes through production runs. The company serves customers across industries including aerospace and heavy equipment, with AS9100D and ISO 9001:2015 certification supporting its quality-focused work.DAYTON, OH
Speed SelectorIncorporated in the mid-1940s, Speed Selector designs and manufactures mechanical variable-speed pulleys and drives from its 32,000-square-foot facility in Chagrin Falls, Ohio. The company began with lawn-tractor transmissions and now supplies its made-in-USA Hi-Torque MVSDs® to OEMs and users across a range of power-transmission applications. Its in-house engineering team also creates custom pulleys and crossovers for discontinued or long-lead-time drive systems, including small production runs.CHAGRIN FALLS, OH
Troy Sunshade CompanyFounded in 1887 around a patented carriage sunshade, Troy Sunshade Company now makes custom sewn and printed cloth products in Greenville, Ohio. Its 66,000-square-foot plant produces American-made goods tailored to customer specifications, with a long-running specialty in bags for commercial and institutional use. The company’s history also includes wartime windshields and other specialty manufacturing, but its guiding principle remains “There Is No Substitute For Quality.”GREENVILLE, OH