Here are links to the careers pages of passenger and transit rail carriers on properties represented by SMART. (All locations and some subsidiary properties may or may not be represented by SMART).
- Alaska Railroad
- Amtrak
- Caltrain
- CTrail
- Keolis Commuter Rail Services
- Long Island Rail Road
- Metra
- Morristown & Erie Railway
- New Jersey Transit (NJT)
- New Mexico Rail Runner Express (NMRX)
- Northern Indiana Commuter Transportation District (NICTD)
- Northstar – Metro Transit
- Port Authority Trans-Hudson Corp (PATH)
- Southeastern Pennsylvania Transportation Authority (SEPTA)
- Staten Island Railway
- SunRail
- Veolia Tri-Rail
- White Pass & Yukon Route Railroad (WP&YR)