| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| AA5 | Arnprior Sectional | AAM | Almonte DBC | AAP | Arnprior Duplicate Club | ||||||
| AAV | Carlingwood DBC | AB6 | Brockville Sectional | ABC | The Bridge Connection | ||||||
| ABR | Brockville DBC | ABT | Bridge 21 DBC | ACF | Amanda's Bridge Club | ||||||
| ACO | Cornwall Sr Citizens' BC | ACW | Alta Vista DBC | ADD | Des Draveurs | ||||||
| ADP | C De B Du Parc | ADR | Deep River DBC | AGU | Club de bridge duplicata Louise | ||||||
| AK4 | Kingston Sectional | AKT | Kingston DBC | ANG | North Grenville Duplicate Bridge | ||||||
| ANT | ??? | AO4 | Ottawa Sectional | AOV | Prince of Wales DBC | ||||||
| AP4 | Perth Sectional | APB | Pembroke Duplicate | APH | Perth Dupl Bridge Club | ||||||
| APW | Ottawa Valley Duplicate BC | ARA | R A Duplicate Bridge Club | ARF | Renfrew Duplicate Bridge Club | ||||||
| AS7 | Smiths Falls Sectional | ASF | Smiths Falls DBC | ASU | Suzanne's Bridge Club | ||||||
| ASW | The Seaway Bridge Club | ATI | Thousand Islands DBC |