INTERNATIONAL SOCIETY OF BASSISTS is a nonprofit organization categorized as Public Charity based in DALLAS, TX. Its most recent IRS filing (2025) reports revenue of $540K, expenses of $455K, total assets of $1.5M. Imperigo tracks 1 reported grant relationships connected to this organization totaling approximately $25K.
The International Society of Bassists was founded by the world-renowned virtuoso Gary Karr in 1967. With nearly 2,500 members in over 40 countries, the ISB is dedicated to inspiring public interest, raising performance standards, and providing an organization for those who teach, study, play, repair, build, research and enjoy the double bass. The ISB is a forum for communication among the bassists throughout the world and across a wide variety of musical styles.
Showing up to 5 of 1 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $540K | $455K | $1.5M |
| 2024 | $247K | $199K | $1.4M |
| 2023 | $752K | $495K | $1.3M |
| 2022 | $177K | $148K | $1.0M |
| 2021 | $596K | $492K | $1.0M |
Between 2021 and 2025, reported annual revenue declined from $596K to $540K (-9%), with total assets most recently reported at $1.5M.
Interactive year-over-year charts and full filing details available with membership.
