SMART Local 100 is a labor union representing members in Maryland, Virginia, and Washington, DC. It is affiliated with the International Association of Sheet Metal, Air, Rail, and Transportation Workers.
2020
–Endorsed Isaac Sponaugle (D) for Attorney General of West Virginia (lost primary)
2022
–Endorsed Wes Moore (D) for Governor of Maryland (won)
2024
–Endorsed David Trone (D) for Senator of Maryland (lost primary)
2025
–Endorsed Shannon Taylor (D) for Attorney General of Virginia (lost primary)