Directory Search by Category or by Name Go back to directory. Add to Address Book. INTEGRATED FACILITY SERVICES (IFS) INTEGRATED FACILITY SERVICES (IFS) Contact: JOHN RUNDQUIST Work 1055 CASSENS INDUSTRIAL DRIVE FENTON MO 63026 work Phone: (636) 680-2100work Fax: (636) 680-0101workfax Work Email: [email protected]INTERNET Website: http://www.intfs.com Connections Business Directory | Leaflet | © OpenStreetMap contributors 1055 CASSENS INDUSTRIAL DRIVE FENTON MO 63026Get Directions