| iNFiNiTi Athletics | L4 | Senior | Small | 0 | |
| iNFiNiTi Athletics | L2 | Junior | Large | 0 | |
| iNFiNiTi Athletics | L1 | Senior | Small | 0 | |
| iNFiNiTi Athletics | L3 | Junior | Large | 0 | |
| iNFiNiTi Athletics | L3 | U18 | Small | 0 | |
| iNFiNiTi Athletics | L4 | U18 | Small | 0 | |
| Infinity All Stars Canada | L5 | International Open | Large | 0 | |
| Infinity Allstars | L3 | Senior | Large | 0 | |
| Infinity Allstars | L3 | Youth | Large | 0 | |
| Inglemoor High School | - | - | Large | 0 | |
| Inglemoor High School | - | - | Large | 0 | |
| Inglemoor High School | - | - | Large | 0 | |
| Intensity Athletics | L2 | Senior | Large | 0 | |
| Intensity Cheer & Dance | L1 | - | Large | 0 | |
| Intensity Elite Cheer and Dance | L4 | Senior | - | 0 | |
| Interboro Hornets Cheerleading | L3 | Junior | Large | 0 | |
| Interboro Hornets Cheerleading | L2 | - | - | 0 | |
| Interboro Hornets Cheerleading | L4 | - | Large | 0 | |
| Interboro Hornets Cheerleading | L1 | - | - | 0 | |
| Interboro Hornets Cheerleading | L1 | - | Large | 0 | |
| Interboro Hornets Cheerleading | L3 | - | Large | 0 | |
| Interboro Hornets Cheerleading | L3 | - | - | 0 | |
| Interboro Hornets Cheerleading | L1 | - | Large | 0 | |
| Interboro Hornets Cheerleading | L2.1 | - | - | 0 | |
| Interlachen High School | - | Varsity | - | 0 | |
| Intruders Elite | L2 | - | Large | 0 | |
| Invictus Dance Company | - | Junior | Large | 0 | |
| Invictus Dance Company | - | Junior | Large | 0 | |
| Invictus Dance Company | - | Youth | Large | 0 | |
| Invictus Dance Company | - | Youth | Large | 0 | |
| Iowa CATS All Stars | - | Junior | Large | 0 | |
| Iowa Central Community College | - | Junior | - | 0 | |
| Iowa Central Community College | - | Junior | Large | 0 | |
| Iowa State University | - | - | - | 0 | |
| Iowa State University | - | - | Small | 0 | |
| Ironwood High School | - | - | Large | 0 | |
| Ironwood High School | - | Varsity | Medium | 0 | |
| Island Allstars | L1 | Youth | Large | 0 | |
| Island Cheer | L2 | Junior | Small | 0 | |
| Island Cheer | L3 | - | - | 0 | |
| Itawamba Attendance School | - | Junior | Large | 0 | |
| Jack C Hays High School | - | Varsity | Large | 0 | |
| Jack C Hays High School | - | Varsity | - | 0 | |
| Jacksboro High School | - | Varsity | Large | 0 | |
| Jackson Creek Middle School | - | Junior | Large | 0 | |
| Jackson High School | - | Varsity | Large | 0 | |
| Jackson Memorial High School | - | Varsity | Small | 0 | |
| Jacksonville High School | - | Varsity | Large | 0 | |
| JAGS Cheer Club | - | - | - | 0 | |
| JAM Athletics | L6 | Open | Large | 0 | |
