| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| OAA | Ada Area Bridge Club | OBB | Boomer Bridge Seminole | OBM | Boomer Bridge | ||||||
| OE5 | Edmond Sectional | OED | Edmond DBC | OFG | Fun and Games DBC | ||||||
| OL5 | Lawton Sectional | OLF | Lawton-Fort Sill Bridge Club | OM7 | Midwest City Sectional | ||||||
| ON4 | Norman Sectional | ONM | Norman Bridge Club | OO4 | Oklahoma City Sectional | ||||||
| OSR | ??? |