Cullen, Shertz and Welch of DBF Receive AIA SAP Certification Cullen, Shertz and Welch of DBF Receive AIA SAP Certification Cullen, Shertz and Welch of DBF Receive AIA SAP Certification DBF2021-04-28T14:03:14-04:00June 17th, 2019| Davis, Bowen & Friedel, Inc. (DBF), recently announced Christopher L. Culle [...]