| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LAA | Ann Arbor City Club | LAG | Ann Arbor Genesis | LAR | Ann Arbor Bridge Club | ||||||
| LAT | AAWCC Thursday Afternoon Game | LBP | Burns Park Bridge | LBR | Bridge On The Park | ||||||
| LCD | Country Club of Detroit | LCO | Plymouth DBC | LFE | Ford Duplicate Bridge Club | ||||||
| LFF | Friendly Friday BC | LFW | ??? | LFZ | ??? | ||||||
| LL4 | Livonia Sectional | LNH | Neighborhood Club | LTT | Trenton DBC | ||||||
| LWM | War Memorial | LY4 | Ypsilanti Sectional | LYC | Young Center BC |