| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LCC | Chemical City Duplicate | LD4 | Davison Sectional | LF5 | Flint Sectional | ||||||
| LF7 | Freeland Sectional | LFL | Flint Dupl Bridge Club | LKC | Key-Card Club | ||||||
| LM4 | Midland Sectional | LMT | Mott Dupl Bridge Club | LS6 | Saginaw Sectional | ||||||
| LSW | Saginaw Bridge Club | LTD | Thursday Club |