Air Exchange, 9 E Market St, Leesburg, VA 20176, US

Founded in 1974 by Dave Knox Sr., CPI began with one product line, one salesman and one big territory. With over twenty years of contacts in the concrete equipment industry, it was not long before other manufacturers sought out CPI to represent their product lines. Concrete Plants has represented Stephens Mfg. for twenty plus years and has been with PSI batch controls ( now Command-Alkon ) since their inception in 1983. We now offer a complete line of dust control equipment, provide turnkey erection services that include, but are not limited to, electrical, engineering, and site layout. Dave's son, Dave Jr., joined the company in 1981 and is now its president since buying the company upon his father's retirement in 1992. At CPI, we are constantly looking for new and innovative products and services to provide to our customers. If you are a concrete or aggregate producer, precast or block manufacturer, you have come to the right place.