| Code | Team Name |
|---|---|
| CDC | CD Chivas USA |
| CHI | Chicago Fire |
| CMB | Columbus Crew |
| COL | Colorado Rapids |
| DAL | FC Dallas |
| DCU | DC United |
| HOU | Houston Dynamo |
| LAG | Los Angeles Galaxy |
| MON | Montreal (2012 expansion team) |
| NER | New England Revolution |
| NRB | New York Red Bulls |
| PHI | Philadelphia Union |
| POR | Portland Timbers FC (2011 expansion team) |
| RSL | Real Salt Lake |
| SEA | Seattle Sounders FC |
| SJE | San Jose Earthquakes |
| SKC | Sporting Kansas City |
| TOR | Toronto FC |
| VAN | Vancouver Whitecaps (2011 expansion team) |