| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Other |
| Carrier ID | Carrier Name | City |
| PSG0018512 | Q | VAN NUYS |
| PSG0017651 | Q J EXPRESS | SAN GABRIEL |
| PSG0021307 | Q SHUTTLE TRANSPORTATION LLC | CONCORD |
| PSG0019325 | QADRI ABID AND AHMED FARID A | REDONDO BEACH |
| PSG0020470 | QADRI ABID AND DOLLEBO SAMSON TESHOME | TORRANCE |
| PSG0016904 | QADRI ABID M | REDONDO BEACH |
| PSG0018023 | QASIM ABDELHAMID IKHLAIFE | OAKLAND |
| PSG0019723 | QATAMI NIZAR | BURLINGAME |
| PSG0022133 | QI, GUO & LIU, ANG JING & ZHAO, XIAO JUN & CHAN, PAK WING | BURLINGAME |
| PSG0018906 | QLS COMPANY LLC | WOODLAND HILLS |
| PSG0022653 | QLS INC | FOSTER CITY |
| PSG0012978 | QLS LIMO SERVICE | DALY CITY |
| PSG0022205 | QM ATBP INTERNATIONAL | SAN DIEGO |
| PSG0020762 | QNJ TRANSPORTATION | GARDENA |
| PSG0021928 | QUACH CHUNG KIM | MIRA LOMA |
| PSG0019332 | QUACH PHUOC | SAN FRANCISCO |
| PSG0023677 | QUACH, CHUNG KIM AND QUACH, ANN PHAM | MIRA LOMA |
| PSG0024217 | QUADROS SERGIO HENRIQUE AND DELIMA JAIR | MIRA LOMA |
| PSG0014979 | QUAIL LODGE | ANTIOCH |
| PSG0009682 | QUAKE CITY SHUTTLE INC | SAN FRANCISCO |
| PSG0022095 | QUAKE ENTERPRISES | INGLEWOOD |
| PSG0015793 | QUALITY AIRPORT SERVICE | DUBLIN |
| PSG0019181 | QUALITY ASSURANCE TRAVEL | SANTA CLARA |
| PSG0015184 | QUALITY ASSURANCE TRAVEL CHARTER | SAN JOSE |
| PSG0019181 | QUALITY ASSURANCE TRAVEL INC | SANTA CLARA |
| PSG0024181 | QUALITY LIMOUSINE | DALY CITY |
| PSG0010773 | QUALITY PARKING SERVICE INC | ENCINO |
| PSG0013180 | QUALITY TOURS INC | PACIFICA |
| PSG0023046 | QUALITY TRANSIT SERVICE LLC | SANTA ANA |
| PSG0021182 | QUALITY TRANSPORTATION SERVICE | LOS ANGELES |
| PSG0022961 | QUANTUM LEAP | FAIRFIELD |
| PSG0021858 | QUDAH TAREQ MA | LAWNDALE |
| PSG0022581 | QUEEN LIMOUSINE SERVICES | PACIFICA |
| PSG0019313 | QUEEN OF SHEBA LIMOUSINE | SOUTH SAN FRANCISCO |
| PSG0022830 | QUEEN'S LIMOUSINE | ALAMO |
| PSG0011766 | QUEST CHARTERS AND TOURS | SAN LUIS OBISPO |
| PSG0017387 | QUEST GALAXY ENTERPRISES INC | LOS ANGELES |
| PSG0020050 | QUEST INVESTMENT SERVICES INC | LOS ANGELES |
| PSG0020050 | QUEST LIMO EXPRESS | LOS ANGELES |
| PSG0018424 | QUEST LIMO SERVICES | SAN FRANCISCO |
| PSG0023993 | QUEST LIMOUSINE | CONCORD |
| PSG0012359 | QUEST LIMOUSINE SERVICE | SANTA CLARA |
| PSG0023149 | QUEST TRANSIT | STOCKTON |
| PSG0011766 | QUEST TRANSPORTATION INC | SAN LUIS OBISPO |
| PSG0022603 | QUICK LIMO | SAN LEANDRO |
| PSG0022653 | QUICK LIMO & SEDAN SERVICE | FOSTER CITY |
| PSG0012157 | QUICK LIMO AND SEDAN SERVICE | MILLBRAE |
| PSG0013819 | QUICK LIMO SERVICE | SAN FRANCISCO |
| PSG0011529 | QUICK LIMOUSINE SERVICE | WOODLAND HILLS |
| PSG0018906 | QUICK LIMOUSINE SERVICE | WOODLAND HILLS |
| PSG0018264 | QUICK SHUTTLE LLC | IRVINE |
| PSG0016308 | QUICK SHUTTLE SERVICE | ALAMEDA |
| PSG0007544 | QUICKSILVER TOWNCAR | SAN FRANCISCO |
| PSG0016882 | QUIET PARTNER INC | SAN JACINTO |
| PSG0016375 | QUIET STORM LIMOUSINE & TRANSPORT | LAKEWOOD |
| PSG0016375 | QUIET STORM LIMOUSINE & TRANSPORTATION INC | LAKEWOOD |
| PSG0023483 | QUINMAR LIMOUSINES | HIGHLAND |
| PSG0023845 | QUINN, MICHAEL AND QUINN, KAREN S | MODESTO |
| PSG0012728 | QUINONES EDDIE | ANAHEIM |
| PSG0018911 | QUINTANA EDWIN GEORGE | SAN FRANCISCO |
| PSG0023483 | QUINTANA, MAXIMINO GUADALUPE | HIGHLAND |
| PSG0020092 | QUINTESSENTIAL TOURS INC | APTOS |
| PSG0018641 | QUIROZ JAIME AND QUIROZ AGUSTIN | WEST HILLS |
| PSG0022232 | QURAN AHMAD MOHO | BURLINGAME |
| PSG0016652 | QUREASHI MOHAMMAD S | REDONDO BEACH |
| PSG0019268 | QUTAMI ROMEO AND QURAN AHMAD | BURLINGAME |
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