| Floor | Department | Room |
|---|---|---|
| Lower Level | KXSC Student Radio | TCC B3 |
| Upper Basement | Hospitality / Food Services USC Room Service-Express Catering |
TCC M20K TCC B20P |
| Second Floor | USC Admission Undergraduate Student Government, Graduate Student Government, and Program Board |
TCC 202 TCC 224 |
| Third Floor | Alumni Association Asian Pacific Alumni Association Black Alumni Association Latino Alumni Association Fraternity and Sorority Leadership Development Veteran Resource Center |
TCC 305 TCC 322 TCC 323 TCC 324 TCC 330 TCC 330 |
| Fourth Floor | Campus Activities Volunteer Center Student Leadership and Engagement Trojan Event Services USC Special Events and Catering |
TCC 410 TCC 410 TCC 421 TCC 425 TCC 425 |