@ US Lightweight Indoor Rowing Championships
| CAN | Canada | # |
|---|---|---|
| HNLNBC | Hanlan | 1 |
| Hanlan Boat Club | ||
| Unaff. | Unaff. (CAN) | 1 |
| Unaffiliated (CAN) | ||
| FRA | France | # |
| FFA | Federation Française d'Aviron | 1 |
| Federation Française d'Aviron | ||
| GBR | Great Britain | # |
| FM | Fitness Matters | 1 |
| Fitness Matters Indoor Rowing | ||
| IRL | Ireland | # |
| Unaff. | Unaff. (IRL) | 1 |
| Unaffiliated (IRL) | ||
| USA | United States | # |
| BEN | Bens Backyard | 2 |
| Bens Backyard Training Center | ||
| BRC | Buchanan RC | 1 |
| Buchanan Rowing club | ||
| CFRRC | Cape Fear | 1 |
| Cape Fear River Rowing Club, Inc. | ||
| CRC | Cazenovia RC | 2 |
| Cazenovia Rowing Club, Inc. | ||
| CYC | California Yacht Club | 1 |
| California Yacht Club | ||
| DRC | Dallas | 4 |
| Dallas Rowing Club | ||
| GDRA | Greater Dayton | 6 |
| Greater Dayton Rowing Association | ||
| GMRC | Great Miami Crew | 1 |
| Great Miami Rowing Center | ||
| LMHS | Lower Merion | 1 |
| Lower Merion High School Crew (Ardmore) | ||
| LRC | Lookout | 2 |
| Lookout Rowing Club | ||
| MRRA | Merrimac | 1 |
| Merrimac River Rowing Association | ||
| MSTRS | Masters Coaching | 1 |
| Masters Coaching, LLC | ||
| NARR | Narragansett | 1 |
| Narragansett Boat Club | ||
| NBC | Nereid | 1 |
| Nereid Boat Club, Inc. | ||
| NRC | Neptune Rowing Club | 1 |
| Neptune Rowing Club | ||
| NYAC | New York AC | 3 |
| New York Athletic Club | ||
| OKC | OKC Riversport | 3 |
| OKC Riversport | ||
| ONRA | Oak Neck RA | 19 |
| Oak Neck Rowing Academy | ||
| PBC | Portland BC | 1 |
| Portland Boat Club | ||
| ROW | Whidbey | 2 |
| Rowing on Whidbey | ||
| RPCS | Regatta Point Community Sailing | 1 |
| Regatta Point Rowing | ||
| RS | Redwood Scullers | 1 |
| Redwood Scullers/PACJC | ||
| SC | Sarasota Crew | 1 |
| Sarasota Crew | ||
| Unaff. | Unaff. (USA) | 12 |
| Unaffiliated (USA) | ||
| Undine | Undine | 1 |
| Undine Barge Club of Philadelphia | ||
| VBC | Vesper | 1 |
| Vesper Boat Club | ||
