Contact Us

Corporate Headquarters

Colorado Engineering Experiment Station, Inc.
54043 County Rd. 37
Nunn, Colorado 80648, USA
Phone: 970-897-2711
Fax: 970-897-2710
Facility Map PDF (for on-site visitors)

Hours of Operation
Note: Hours at the Nunn, Colorado changed as of 4/3/2023.
Monday - Thursday, 6:30AM - 5:00PM Mountain Time

Iowa High Flow Facility

2365 240th Street
Garner, Iowa 50438, USA
Phone: 641-923-3664
Fax: 641-923-3693

Hours of Operation
Monday - Friday, 7AM-4PM Central Time


As of 2/29/2024, any meters previously being sent to Chicago should be sent to Nunn, CO.

Chicago Lab

95 Chancellor Dr.
Roselle, IL 60172, USA
Phone: 970-897-2711
Fax: 970-897-2710

Hours of Operation
Monday - Friday, 8AM-5PM Central Time

Company & Event Updates

Additional Information

Visitor Guide and Safety Information
Shipping Guide & Information
Privacy Policy