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1920 S. Kingshighway Blvd.
St. Louis, MO 63110

Team Success

McGrath & Associates, Inc. provides a full team of professional estimators, project managers, superintendents and administrative staff.  As a 100 percent employee-owned company, each employee is dedicated to our corporate values and full commitment to clients.

McGrath & Associates commitment to team building also is reflected in the twenty nominations we’ve received for the American Subcontractors Association’s “General Contractor of the Year” award since 1994.  We have been honored with this prestigious award six times.


Kenneth (Ken) W. Knobbe, Jr. – President

Richard (Rich) F. Donahower, Jr. – Vice President

Cindy Spriggs – Vice President, Finance

Scott M. Olson – Corporate Secretary

Nicholas J. Knobbe – Project Development Manager, Treasurer



Kenneth (Ken) W. Knobbe, Jr. – Chairman of the Board

Richard (Rich) F. Donahower, Jr. – Director

Kimberly (Kim) A. Witbrodt – Office Manager

Kenneth (Ken) W. Knobbe, Jr.

“Our people, our style, and the attention to detail make us special. We listen to the customer and we react by providing a cost-effective way to build their product.”

Richard (Rich) F. Donahower, Jr.
Vice President

“We listen to the owner. That is important in establishing relationships for future projects. I can take pride in what I do because McGrath cares about doing a good job.”

Scott M. Olson
Corporate Secretary/Healthcare Business Manager

“The most rewarding part of my job is seeing the finished product, especially when it is an important project like a hospital or library that will really benefit people. We make the owner’s life easier because we are good at meeting their expectations.”