1. Equilibrium - (a quarterly, illustrated publication) contains diverse historical, scientific, and general articles about scales, weights, and scale makers.
2. An annual convention is held over a three-day weekend (with an optional fourth day) each Spring. The program includes, among other activities, lectures by meteorology experts, a silent auction, and field trips to prominent collections.
3. The quarterly President's Newsletter contains news about the Society's activities and other matters of interest.
4. Member services (some free, some for a nominal charge) include back issues of Equilibrium, periodic special articles, copies of old scale catalogs, out-of-print books, and a limited research service.

The collections of ISASC members are varied in content and number. Some members are beginning collectors, while others have extensive collections and have had works published on the science and history of antique scales. Active members are those who collect and/or deal in scales. Associate members are those with a general or special interest, be it scientific, academic, journalistic, custodial, publishing, or some other. Dues are $65 a year, regardless of when during the year you join.