Device Technologies, Inc. - Southborough, MA (Serving Southern Ohio)
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 & AS 9100-B certified. Manufacturer & designer of electronic enclosure or oven door seals for high temperature applications. Materials include silicone, steel or stainless steel substrate, EPDM & PVC. Specifications of seals include 0.185 in. to 0.36 in. radius, 0.029 in. to 0.75 in. panel thickness, 0.256 in. to 1.43 in. width & operating temperature up to 450 degrees F. Industries served include automotive, railway, aerospace, food service, telecommunication, construction, mining & forestry. Custom seals are also available. RoHS compliant.
Brand Names: SealFast
www.devicetech.com/Products/Enclosure-Door-...

Lansco Manufacturing - Chagrin Falls, OH
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of electronic enclosure seals & enclosure gaskets.
www.lanscomfg.com/product.html#hardware

PAVE Technology Company - Dayton, OH
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer offering a wide variety of hermetic electrical/optical bulkhead connectors & wire seals for low or high pressures or vacuums for signal, coaxial, power, high voltage, thermocouple, dsub with stock seals & custom designs available used in a wide range of industries including aerospace, automotive, process controls, marine, semiconductor, R&D & medical that commonly replace more traditional glass or ceramic seals for all operating temperature ranges between -100C up to 200C.
Brand Names: PAVE-Flex