Welcome to the ISWM

Advancing the science of weighing and measurement.

Welcome to the International Society of Weighing & Measurement the trade association for weighing and measurement professionals. The ISWM is committed to promoting and enhancing the professionalism and success of our industry. ISWM members include manufacturers and dealers/distributors of weighing and various measurement equipment, state weights and measures officials and industry end-users. From the finest precision balance to massive railroad and truck scales, from pressure to linear measurement, and various process automation equipment, ISWM members supply products and services critical to global commerce. This equipment grouping helps all industries achieve the highest possible standards and efficiency.

Exciting Event:  2024 Society Meeting Form

The International Society of Weighing and Measurement (ISWM) announces its Annual Society meeting.  The meeting will be held at the Holiday Inn & Suites, 3900 Atlantic Avenue, Virginia Beach, VA on February 20 – 22, 2024.  The Exhibit and Attendee registration forms are available on-line at www.iswm.org or contact Ann Crowley at [email protected].

We have four (4) excellent speakers lined up for our meeting.  They are as follows:

Don Onwiler – National Conference of Weights and Measure
Elizabeth Benham – NIST Metric System
Jeff Canfield – Rice Lake, Sales for Service Professionals
Mark Ruefenacht – E617 update and Proficiency testing.


Along with the speakers we will have several ISWM Society meetings:

Dealer Conference survey
Dealer and Manufacturer roundtable

There will be times to participate in two different testing options at extra charge:

            Analytical and Toploader proficiency testing
            ISWM certified weighing technician


Please plan on attending this opportunity to mingle and learn in Virginia Beach on February 20 to 22, 2024.

Interesting in Exhibiting.  Exhibit Sign-up Form


Advertising Contract (2024)

Company News Guidelines are for all company members to post their news.

Membership Application (2024)

Qualified Military and Students may now join the ISWM at no cost.

Here is the link to Student and Military Member Applications.

2023 Handbook 44 Scale Code Available for Download. Just log into the ISWM Members Only section and download the pdf.  If you need assistance with your log-in, contact the ISWM staff at [email protected] or [email protected].  

Note: The 2023 version of Handbook 44 is in stock. If you want a copy (Members Only), email: [email protected] with the address where you want him to send it.

Rapp/Mantes Scholarship Application 2024

Search ISWM W&M Dealer Listing by State

Search ISWM Manufacturer Listing

Online Training Detail

Click here to see our current online training offering, including Handbook 44 scale code.

 Note: There is an update on the LIfe and Safety Consultant's website and server issue on the above link.


Division Support 

Would your division like to have a meeting? If your Division wants to meet virtually, the ISWM staff is happy to assist. Contact [email protected] or 715-651-9123 to schedule a Zoom Event for your division. 

Buying Commercial Scales Online - Things to Consider

Download the NCWM's guide to identifying red flags and avoiding some of the pitfalls of considering an internet purchase on a commercial scale. 


New Members Ravas - Video Link (Presentation)