About Us

Corporate Headquarters

54043 County Rd. 37
Nunn, Colorado 80648, USA
Phone: (970) 897-2711
Fax: (970) 897-2710
Contact Us

Colorado Engineering Experiment Station, Inc. (CEESI) performs NIST traceable primary and secondary calibration for numerous types of flow meters and fluids. In addition to quality calibrations, CEESI offers calibration-related engineering services, valve testing, and a wide range of flow measurement training services.


Key Company Details

• Operations began in 1951 at the University of Colorado (more on our history)
• Over 60 employees, including over ten engineers (more on our staff)
• NVLAP accredited since 2004 (more on NVLAP/quality assurance)
• Flow meter calibrations are traceable to NIST (more on NIST Traceability)
• Facilities in Colorado and Iowa

Current Leadership

The senior management team at CEESI includes (see the expanded list of management & engineering staff):

• Steve Caldwell: CEO/President
• Jerry Caldwell: Vice President
• Joel Clancy: Vice President of CEESI Iowa High Flow Test Facility
• Bill Johansen, P.E.: Director of Engineering

Current Growth & Expansion

CEESI is continually expanding its engineering, educational, and calibration services. Recently developments include:

• The engineering services division of CEESI merged with CPL & Associates to form the newly incorporated CEESI Measurement Solutions (CMS) (read the announcement)
• Calibration services are now being offered in Colombia
• Offering the Ultrasonic Meter User's Workshop for the first time in Bolivia (read about the workshop)
• The Flow Measurement Technical Library was recently expanded, providing more technical papers for free download