mcgrath logo

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

Company Introduction

Since our founding in 1983 by Jim McGrath and Walt Zimmerman, McGrath & Associates, Inc. has been known as a customer-friendly construction company with some of the best subcontractor relationships in the industry. Our personal touch, quality of work and expertise in complex, sensitive environments are the primary factors that set us apart from other general contractors.

The financial base for the new company was provided by The Nooter Corporation, a highly respected manufacturer of specialty process vessels and equipment installation contractor. Today, McGrath & Associates, Inc. is an employees-owned company operating under the management team of Ken Knobbe, Jr., President, Rich Donahower, Vice President, Bret S. De Rousse, Vice President, Energy Infrastructure and Scott Olson, Corporate Secretary/Treasurer.

McGrath & Associates, Inc., through excellence in performance and quality, strives to be the construction contractor of choice for customers, subcontractors, suppliers and employees.

McGrath & Associates, Inc., provides our clients the best construction services available while maintaining the highest level of quality, safety and control.