AAF International's clean air products and systems offer the most comprehensive clean air solutions available in the world. Its products are the industry benchmarks for quality and performance, from simple roughing filters to air pollution control, to gas containment removal, to the highest efficiency filters used in the most stringent clean environments.

Big Ass Fans is the preeminent designer and manufacturer of ceiling and vertical fans developed to provide significant energy savings and improve occupant comfort year round.

ISCO Industries is a global customized piping and other HVAC solutions provider based in Louisville, Kentucky, USA. ISCO stocks and sells a wide variety of piping materials and provides solutions for various environmental, geothermal systems, industrial, landfill, mining, municipal, nuclear, waterworks and culvert-lining applications worldwide.

Koch Filter is a manufacturer of air filtration products for commercial, industrial, hospital, gas turbine and paint filtration applications. Koch Filter is recognized globally for its premier brand of high efficiency air filtration products.

Since 1935, Sealmaster bearings are the industry's preferred bearing product, known for its premium-quality mounted ball-bearing line, as well as its mounted roller bearings.