Mission
THE ORGANIZATION'S PRIMARY MISSION IS TO ACT AS A COLLECTIVE BARGAINING AGENT ON BEHALF OF ITS MEMBERS TO PROVIDE JOBS AND BETTER WORKING CONDITIONS.
Based in NORTH CHARLESTON, SC, SHEET METAL AIR RAIL & TRANSPORATION WORKERS LOCAL #399 operates as a Public Charity. The organization reported $1.2M in revenue, $1.0M in expenses, $777K in total assets for fiscal year 2025.
THE ORGANIZATION'S PRIMARY MISSION IS TO ACT AS A COLLECTIVE BARGAINING AGENT ON BEHALF OF ITS MEMBERS TO PROVIDE JOBS AND BETTER WORKING CONDITIONS.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $1.2M | $1.0M | $777K |
| 2024 | $875K | $858K | $573K |
| 2023 | $783K | $767K | $565K |
| 2022 | $632K | $687K | $562K |
| 2020 | $689K | $679K | $646K |
Between 2020 and 2025, reported annual revenue grew from $689K to $1.2M (+79%), with total assets most recently reported at $777K.
Interactive year-over-year charts and full filing details available with membership.