Gateway Funding » Business Connections Go back to directory. Add to Address Book. Gateway Funding Gateway Funding Contact: Kathryn Welch Work 1985 E. River Rd. Suite 121 Tucson AZ 85718 work Work Phone: (520) 747-2007work Cell Phone: (520) 808-4340cell Work Email: moc.gnidnuf-yawetag@hclewakINTERNET Website: Website Connections Business Directory | Leaflet | Wikimedia 1985 E. River Rd. Suite 121 Tucson AZ 85718Get Directions