| AC Martin | Firms (Headquarters) |
| AECOM (Architecture) | Firms (Headquarters) |
| Aedas | Firms (Office Location) |
| Altoon + Porter Architects | Firms (Headquarters) |
| Arquitectonica | Firms (Office Location) |
| Callison | Firms (Office Location) |
| Cannon Design | Firms (Office Location) |
| CO Architects | Firms (Headquarters) |
| Cuningham Group Architecture | Firms (Office Location) |
| Devenney Group Architects | Firms (Office Location) |
| Dewberry (Architecture) | Firms (Office Location) |
| DLR Group | Firms (Office Location) |
| Dodger Stadium | Baseball Stadiums |
| Environetics | Firms (Headquarters) |
| Fentress Architects | Firms (Office Location) |
| Gehry Partners | Firms (Headquarters) |
| Gensler | Firms (Office Location) |
| gkkworks | Firms (Office Location) |
| GreenbergFarrow | Firms (Office Location) |
| Gruen Associates | Firms (Headquarters) |
| Harley Ellis Devereaux | Firms (Office Location) |
| HDR Architecture | Firms (Office Location) |
| HGA Architects and Engineers | Firms (Office Location) |
| HKS, Inc. | Firms (Office Location) |
| HLW International | Firms (Office Location) |
| HMC Architects | Firms (Office Location) |
| HOK | Firms (Office Location) |
| J. Paul Getty Museum | Art Museums |
| Jerde | Firms (Headquarters) |
| Johnson Fain | Firms (Headquarters) |
| KMD Architects | Firms (Office Location) |
| Lee, Burkhart, Liu | Firms (Office Location) |
| LEO A DALY | Firms (Office Location) |
| Los Angeles Convention Center | Convention Centers |
| Los Angeles County Museum of Art | Art Museums |
| Marmol Radziner | Firms (Headquarters) |
| McKissack & McKissack | Firms (Office Location) |
| Morris Architects | Firms (Office Location) |
| Museum of Contemporary Art, Los Angeles (at California Plaza) | Art Museums |
| NAC|Architecture | Firms (Office Location) |
| Nadel | Firms (Headquarters) |
| NBBJ | Firms (Office Location) |
| NTD Architecture | Firms (Office Location) |
| Orcutt l Winslow | Firms (Office Location) |
| Perkins + Will | Firms (Office Location) |
| Populous | Firms (Office Location) |
| Rafael Viñoly Architects | Firms (Office Location) |
| RBB Architects | Firms (Headquarters) |
| RNL | Firms (Office Location) |
| RTKL Associates Inc. | Firms (Office Location) |
| Skidmore, Owings & Merrill | Firms (Office Location) |
| SmithGroupJJR | Firms (Office Location) |
| Staples Center | Basketball Stadiums |
| Staples Center | Basketball Stadiums |
| Staples Center | Hockey Arenas |
| STUDIOS Architecture | Firms (Office Location) |
| Torti Gallas and Partners | Firms (Office Location) |
| U.S. Bank Tower | Tallest Buildings |
| UCLA Hammer Museum of Art | Art Museums |
| Vincent Price Art Museum | Art Museums |
| Wilson Associates | Firms (Office Location) |
| ZGF Architects | Firms (Office Location) |
