| st clair corporate centre sarnia | 1.03 | 0.8 | 5372 | 32 | 9 |
| village on the st clair sarnia | 1.13 | 0.9 | 4698 | 30 | 100 |
| residence on the st clair sarnia | 1.99 | 0.5 | 3106 | 32 | 15 |
| st clair auto body sarnia | 0.28 | 0.8 | 3847 | 25 | 84 |
| st clair windows and doors sarnia | 1.99 | 0.2 | 3982 | 33 | 59 |
| st clair employment centre | 0.43 | 0.8 | 6825 | 26 | 57 |
| st clair shopping centre sa | 1.3 | 0.7 | 4335 | 27 | 14 |
| super centre sarnia ontario | 0.27 | 1 | 180 | 27 | 96 |
| st clair child and youth services sarnia | 0.51 | 0.4 | 1241 | 40 | 97 |
| st clair child and youth sarnia | 0.82 | 0.7 | 6474 | 31 | 90 |
| sarnia service canada centre | 0.39 | 1 | 4197 | 28 | 38 |
| st clair centre toronto | 1.43 | 0.5 | 9569 | 23 | 20 |
| st. clair secondary school sarnia | 0.38 | 0.1 | 4413 | 33 | 76 |
| erie st clair lhin sarnia | 1.73 | 0.8 | 3452 | 25 | 12 |
| small business centre sarnia | 0.48 | 1 | 1043 | 28 | 35 |
| st clair shopping centre | 1.44 | 0.3 | 8058 | 24 | 77 |
| st clair college business | 0.83 | 0.3 | 8726 | 25 | 100 |
| corporation of the city of sarnia | 1.41 | 1 | 5402 | 33 | 44 |
| st clair service company | 0.07 | 0.1 | 1187 | 24 | 41 |
| corp of the city of sarnia | 0.23 | 0.1 | 8266 | 26 | 86 |
| businesses in saint clair shores | 0.82 | 0.7 | 71 | 32 | 40 |
| supporting sarnia and surrounding businesses | 0.97 | 1 | 6302 | 44 | 21 |
