For General Information:
Shirley McGregor
Office Manager
shirley@engdynamics.com 
 
For Engineering and Project-Specific Inquiries:
Stuart D. McGregor, P.E.
Vice President
Senior Noise, Vibration Engineer
stuart@engdynamics.com
 
For Engineering Inquiries:
Howard N. McGregor, P.E.
President
howard@engdynamics.com

For Questions About EDI's Calibration and Repair Lab or Quest Instruments:
John R. Johnson
Senior Calibration Repair Technician
john@engdynamics.com

EDI's Address:
3925 S. Kalamath Street
Englewood, CO 80110
Phone: (303) 761-4367
Fax: (303) 761-4379