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Office of Weights and Measures Resources

OWM Contacts System

The Office of Weights and Measures (OWM) Contacts System is a U.S. Department of Commerce (DoC) system managed by the National Institute of Standards and Technology (NIST) to provide Weights and Measures Officials; Industry Representatives; National Work Group (NWG) Members; and the public with a system for registering for OWM training classes and for requesting, downloading, and/or reviewing a wide variety of weights and measures technical materials and publications. Users may also use the system to update their personal information or to access their personal training history. Users may also use the system to participate in working group activities, including commenting on proposed revisions to laws, regulations, standards, international recommendations, NIST handbooks, and other documents.

You Must Register Online To Create An Account in the OWM Contacts System

Before you request training or publications or use other features of the OWM Contacts System you must register for an account at: The registration procedure is easy to follow and includes a series of messages and user prompts to guide you through the process. To ensure accuracy you are provided an opportunity to review and correct the information you entered prior to clicking the “submit” button. The following is a list of URLs that will take you to a user guide and other helpful “how to” instructions about the OWM Contacts System:

NIST / OWM Security and Privacy Policies

NIST is committed to safeguarding personal privacy. Individual trust in the privacy and security of personally identifiable information is a foundation of trust in government and commerce in the 21st Century. As an employer, a collector of data on millions of individuals and companies, the developer of information management standards and a federal advisor on information management policy, the Department strives to be a leader in best privacy practices and privacy policy. To further this goal, NIST assigns a high priority to privacy considerations in all systems, programs, and policies.

State Directors

This pages contain State Directors information, e.g. name, phone number, email, and fax number.

State Laboratories

These pages contain POCs for State Laboratories, e.g. current certificates (if applicable) and previous year, name, phone number, email, and fax number.

States W&M Directory


Updated: May 2021

The National Conference on Weights and Measures (NCWM)

Created July 8, 2016, Updated May 2, 2022