Port Huron
- South Park
- Ravenswood Ave
Marysville (proposed)
- Detroit Edison
- Morton Salt
- Greif Brothers
- Bowie Coal Company
St. Clair
- Diamond Crystal Salt
- J A Biewer Lumber Company
Marine City
- Arnold Coal Company
- M & D Lumber
- Detroit Gasket
- Crampton Fuel Co.
- Detroit Gasket No. 2
- Pac-Lite
- Independent Sugar Company
- Lumber Jack
- Superior Concrete
- Chris Craft (via Algonac Traction)