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.

 
Advertising Contract (2025)

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

Membership Application (2025)

2025 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].  

Search ISWM W&M Dealer Listing by State

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2026 Annual Conference - Sacramento, CA  March 10-12, 2026

 

 Click on this Red link to access the scholarship for members with college age kids:   Rapp/Mantes Scholarship Form

 

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.