| Northwest Commission |
| BGSC |
Bowling Green Swim Club |
| FAST |
Findlay Area Swim Team |
| FMST |
Ft. Meigs YMCA |
| GTAC |
Greater Toledo Aquatic Club |
| LIFE |
Lifetime Fitness - Beachwood |
| NAC |
Napoleon Aquatic Club |
| RSC |
Rocket Swim Club |
| SOS |
Sand Otter Swimming |
| SYL |
Sylvania Tsunami Swim Club |
| WAUS |
Wauseon Aquatic Club |
| Central Commission |
| BKYS |
Buckeye Swim Club |
| BSC |
Bobcat Swim Club |
| COA |
Central Ohio Aquatics |
| DCST |
Dublin Community Swim Team |
| EAST |
Jerry Garver YMCA |
| FRCE |
Force Aquatics Swim Team |
| GCST |
Greater Columbus Swim Team |
| GCY |
Grove City YMCA |
| GYG |
Gahanna YMCA Gators |
| HURY |
Hilliard/Ray Patch Family YMCA |
| HYA |
Hydra Aquatics |
| LIFE |
Lifetime Fitness - Dublin |
| LIFE |
Lifetime Fitness - Easton |
| LTPY |
Liberty Township/Powell YMCA Penguins |
| LYST |
Lancaster Y Swim Team |
| MVP |
Muskingum Valley Power |
| NAAC |
New Albany Aquatics Club |
| OSU |
Ohio State University (NCAA college team) |
| OUSC SC |
Ohio University Swim Club (college team-post NCAA) |
| PHST |
Pau Hana Swim Team |
| SCC |
Scioto Country Club (seasonal club) |
| SSC |
Spartan Swim Club |
| UAC |
Unified Aquatics Club |
| UASC |
Upper Arlington Swim Club |
| USA |
United Swim Association |
| WAC |
Westerville Aquatic Club |
| WOR |
Worthington Swim Club |
| Southwest (Dayton) Commission |
| BAC |
Butler Aquatics |
| CFY |
Coffman YMCA |
| DR |
Dayton Raiders |
| HHY |
YMCA at the Heights |
| KCST |
Kettering City Swim Team |
| KEY |
Kettering South Community Family YMCA Swim Team |
| PCYP |
Preble County YMCA Piranhas |
| SPY |
Springfield Family YMCA |
| WTRC |
Washington Township Rec. Center |
| Southwest (Cincinnati) Commission |
| ABLY |
M.E. Lyons/Anderson Barracudas |
| BASH |
Blue Ash YMCA Swim Team |
| CAC |
Cincinnati Aquatic Club |
| CATS |
Bearcat Aquatics (college team - post NCAA) |
| CINC |
University of Cincinnati (NCAA college team) |
| CLPR |
Northern Kentucky Clippers Swimming |
| CM |
Cincinnati Marlins |
| CY |
Countryside YMCA |
| GMVY |
Greater Miami Valley YMCA |
| LAKY |
Lakota Family YMCA |
| LIFE |
Lifetime Fitness - Deerfield |
| MAC |
Mariemont Aquatic Club |
| MAKO |
Miami University Aquatic Club |
| MAST |
Milford Area Swim Team |
| MHSW |
Mercy HealthPlex Sea Wolves |
| MIOH |
Miami University Swimming (NCAA college team) |
| OHYA |
Oak Hills Youth Athletics |
| PCY |
Powel Crosley, Jr. YMCA |
| RAYS |
Mason Manta Rays |
| RCDB |
R.C. Durr YMCA Barracudas |
| RHA |
Redhawk Aquatics (college team - post NCAA) |
