systems Support, Maintenance, Service and Test Water wash controls and ventilators Secondary filtration controls and units including paper filter media and electrostatic... DEPARTMENT OF AGRICULTURE REQUIRES A LICENSE WHEN APPLYING SANITIZERS. OUR LICENSE NUMBER IS 500159. *Our State Of Michigan Mechanical Contractors License Number Is 71-00121. BE AWARE, This is a requirement. 1997-2011 SANI-VAC SERVICE, Inc. All rights reserved. ...