| $150,000–350,000 | RYAN CARVALHO, LLP | SAN DIEGO, CA | Citizens Business Bank |
| $350,000–1 million | S & R METALS, INC | HUNTINGTON PARK, CA | Citizens Business Bank |
| $150,000–350,000 | S & S HARDWARE COMPANY, INC. | EL SEGUNDO, CA | Citizens Business Bank |
| $150,000–350,000 | S&H CIVILWORKS | COLTON, CA | Citizens Business Bank |
| $150,000–350,000 | S&H RUBBER CO. | FULLERTON, CA | Citizens Business Bank |
| $150,000–350,000 | S&S METAL FABRICATION, INC. | KINGSBURG, CA | Citizens Business Bank |
| $150,000–350,000 | S. SANDERS COMPANY | ARCADIA, CA | Citizens Business Bank |
| $150,000–350,000 | S.C. BEVERAGE, INC. | CITY OF INDUSTRY, CA | Citizens Business Bank |
| $150,000–350,000 | S.W. FIXTURES, INC. | WALNUT, CA | Citizens Business Bank |
| $150,000–350,000 | SAFCO OF AMERICA, LLC | VISALIA, CA | Citizens Business Bank |
| $1–2 million | SAFE SCAFFOLDING | TRABUCO CANYON, CA | Citizens Business Bank |
| $350,000–1 million | SAFETY STRIPING SERVICE, INC. | GOSHEN, CA | Citizens Business Bank |
| $150,000–350,000 | SAFEWAY SIGN COMPANY | ADELANTO, CA | Citizens Business Bank |
| $350,000–1 million | SAINT BONAVENTURE HIGH SCHOOL | VENTURA, CA | Citizens Business Bank |
| $1–2 million | SAINT FRANCIS HIGH SCHOOL OF LACANADA-FLINTRIDGE | LA CANADA FLINTRIDGE, CA | Citizens Business Bank |
| $150,000–350,000 | SALES TAX ASSURANCE LLC | BREA, CA | Citizens Business Bank |
| $1–2 million | SAM HILL & SONS, INC. | VENTURA, CA | Citizens Business Bank |
| $150,000–350,000 | SAM SIAMAK NAMDARIAN DMD, INC. | FRESNO, CA | Citizens Business Bank |
| $2–5 million | SAN BERNARDINO MEDICAL ORTHOPAEDIC GROUP INC | REDLANDS, CA | Citizens Business Bank |
| $1–2 million | SAN BERNARDINO MOTORS INC | SAN BERNARDINO, CA | Citizens Business Bank |
| $2–5 million | SAN BERNARDINO MOUNTAINS COMMUNITY HOSPITAL DISTRICT | LAKE ARROWHEAD, CA | Citizens Business Bank |
| $1–2 million | SAN DIMAS MEDICAL GROUP, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $150,000–350,000 | SAN GABRIEL MISSION SCHOOL | SAN GABRIEL, CA | Citizens Business Bank |
| $150,000–350,000 | SAN JOAQUIN BIT SERVICE, INC | BAKERSFIELD, CA | Citizens Business Bank |
| $150,000–350,000 | SAN MARINO COMMUNITY CHURCH (PRESBYTERIAN) | SAN MARINO, CA | Citizens Business Bank |
| $150,000–350,000 | SANCON ENGINEERING, INC. | HUNTINGTON BEACH, CA | Citizens Business Bank |
| $350,000–1 million | SANCON TECHNOLOGIES, INC | HUNTINGTON BEACH, CA | Citizens Business Bank |
| $350,000–1 million | SANSMARK, INC. | INGLEWOOD, CA | Citizens Business Bank |
| $150,000–350,000 | SANTA CLARA HOUSE, LLC | VENTURA, CA | Citizens Business Bank |
| $150,000–350,000 | SANTA MARIA HARLEY-DAVIDSON | SANTA MARIA, CA | Citizens Business Bank |
| $1–2 million | SAROYAN LUMBER COMPANY, INC. | HUNTINGTON PARK, CA | Citizens Business Bank |
| $150,000–350,000 | SAWDUST FESTIVAL CORPORATION | LAGUNA BEACH, CA | Citizens Business Bank |
| $150,000–350,000 | SC ENTERTAINMNET INC. | LOS ANGELES, CA | Citizens Business Bank |
| $150,000–350,000 | SC PXL, LLC | NORTH HOLLYWOOD, CA | Citizens Business Bank |
| $150,000–350,000 | SCANPAN USA INC | COMPTON, CA | Citizens Business Bank |
| $350,000–1 million | SCAT ENTERPRISES, INC. | REDONDO BEACH, CA | Citizens Business Bank |
| $150,000–350,000 | SCHEIDT FARMS TRUCKING, INC. | KERMAN, CA | Citizens Business Bank |
| $350,000–1 million | SCHMIDT INDUSTRIES, INC. | SUN VALLEY, CA | Citizens Business Bank |
| $150,000–350,000 | SCHWALB CONSULTING, LLC | IRVINE, CA | Citizens Business Bank |
| $350,000–1 million | SCM PISMO BEACH HOTEL LLC | SANTA BARBARA, CA | Citizens Business Bank |
| $150,000–350,000 | SCN SECURITY COMMUNICATION NETWORK, INC | CORONA, CA | Citizens Business Bank |
| $1–2 million | SCORPIO ENTERPRISES | SANTA FE SPRINGS, CA | Citizens Business Bank |
| $350,000–1 million | SCOTT & SONS ELECTRIC | VENTURA, CA | Citizens Business Bank |
| $150,000–350,000 | SEACO TECHNOLOGIES, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $1–2 million | SEAL METHODS, INC. | SANTA FE SPRINGS, CA | Citizens Business Bank |
| $150,000–350,000 | SEAROCK STAFFORD CM, INC. | PASADENA, CA | Citizens Business Bank |
| $2–5 million | SEIDNER & CO., INC | WEST COVINA, CA | Citizens Business Bank |
| $1–2 million | SEIDNER-MILLER, INC. | GLENDORA, CA | Citizens Business Bank |
| $150,000–350,000 | SELECTION ONE LLC | EL SEGUNDO, CA | Citizens Business Bank |
| $150,000–350,000 | SELEY & CO | SOUTH PASADENA, CA | Citizens Business Bank |
| $350,000–1 million | SENOVVA, INC. | LOS ANGELES, CA | Citizens Business Bank |
| $350,000–1 million | SEQUEL CONTRACTORS, INC. | SANTA FE SPRINGS, CA | Citizens Business Bank |
| $150,000–350,000 | SEQUOIA RIVERLANDS TRUST | VISALIA, CA | Citizens Business Bank |
| $350,000–1 million | SEQUOIA SURGERY CENTER, LLC | VISALIA, CA | Citizens Business Bank |
| $350,000–1 million | SEQUOYAH, INC. | PICO RIVERA, CA | Citizens Business Bank |
| $150,000–350,000 | SERBAN'S BACKGROUND MUSIC, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $350,000–1 million | SERCO MOLD, INC. | LA VERNE, CA | Citizens Business Bank |
| $350,000–1 million | SERRA COMMUNITY MEDICAL CLINIC, INC. | SUN VALLEY, CA | Citizens Business Bank |
| $350,000–1 million | SERRANO INDUSTRIES INC | SANTA FE SPRINGS, CA | Citizens Business Bank |
| $150,000–350,000 | SHAHAN & SHAHAN INC | VISALIA, CA | Citizens Business Bank |
| $350,000–1 million | SHARPE DATA, INC | VALENCIA, CA | Citizens Business Bank |
| $150,000–350,000 | SHARPE EXECUTIVE GROUP, INC. | VALENCIA, CA | Citizens Business Bank |
| $5–10 million | SHARPE INTERIOR SYSTEMS, INC. | VALENCIA, CA | Citizens Business Bank |
| $150,000–350,000 | SHASHI K. SHARMA M.D., INC. | VISALIA, CA | Citizens Business Bank |
| $150,000–350,000 | SHAVER SPECIALTY CO., INC. | TORRANCE, CA | Citizens Business Bank |
| $1–2 million | SHAW & SONS, INC. | COSTA MESA, CA | Citizens Business Bank |
| $150,000–350,000 | SHAW, MOSES, MENDENHALL & ASSOCIATES INSURANCE AGENCY | SOUTH PASADENA, CA | Citizens Business Bank |
| $350,000–1 million | SHEL-DON INC | VISALIA, CA | Citizens Business Bank |
| $150,000–350,000 | SHEP AND NANCY BRYAN CORPORATION | SANTA ANA, CA | Citizens Business Bank |
| $350,000–1 million | SHERMAN THOMAS CHARTER SCHOOLS | MADERA, CA | Citizens Business Bank |
| $1–2 million | SHERWOOD COUNTRY CLUB | THOUSAND OAKS, CA | Citizens Business Bank |
| $150,000–350,000 | SHIM IT MANUFACTURING CORP | CORONA, CA | Citizens Business Bank |
| $350,000–1 million | SHO-AIR INTERNATIONAL, INC | HUNTINGTON BEACH, CA | Citizens Business Bank |
| $150,000–350,000 | SHOOK BUILDING SYSTEMS, INC. | CORONA, CA | Citizens Business Bank |
| $350,000–1 million | SIERRA SCHOOL EQUIPMENT COMPANY | BAKERSFIELD, CA | Citizens Business Bank |
| $350,000–1 million | SIERRA TRANSPORT LLC | BAKERSFIELD, CA | Citizens Business Bank |
| $150,000–350,000 | SIGNAL HILL AUTO ENTERPRISES INC. | CERRITOS, CA | Citizens Business Bank |
| $350,000–1 million | SILVA AUTO GROUP, INC. | MADERA, CA | Citizens Business Bank |
| $350,000–1 million | SILVER KING ENTERPRISES INC | MADERA, CA | Citizens Business Bank |
| $2–5 million | SINGER LEWAK LLP | LOS ANGELES, CA | Citizens Business Bank |
| $350,000–1 million | SIX G'S AUTOMOTIVE, INC | VISALIA, CA | Citizens Business Bank |
| $150,000–350,000 | SKCPREET, INC. | DELANO, CA | Citizens Business Bank |
| $150,000–350,000 | SMITH & SON TIRE, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $350,000–1 million | SMOKEHOUSE PET PRODUCTS, INC. | SUN VALLEY, CA | Citizens Business Bank |
| $150,000–350,000 | SMT LOGISTICS INC | TULARE, CA | Citizens Business Bank |
| $1–2 million | SNOW WELL SERVICE, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $1–2 million | SO CAL DENTAL PARTNERS, INC | LAKE FOREST, CA | Citizens Business Bank |
| $1–2 million | SOARES AUTOMOTIVE, INC. | VICTORVILLE, CA | Citizens Business Bank |
| $2–5 million | SOCIAL MODEL RECOVERY SYSTEMS, INC, | COVINA, CA | Citizens Business Bank |
| $1–2 million | SOLEX CONTRACTING INC | TEMECULA, CA | Citizens Business Bank |
| $350,000–1 million | SOREN MCADAM LLP | REDLANDS, CA | Citizens Business Bank |
| $150,000–350,000 | SOULTS PUMP & EQUIPMENT CO INC | TULARE, CA | Citizens Business Bank |
| $150,000–350,000 | SOUTH BAY HEATING & AIR CONDITIONING, INC. | LONG BEACH, CA | Citizens Business Bank |
| $350,000–1 million | SOUTH COAST HEALTH & WELLNESS CORPORATION | RIVERSIDE, CA | Citizens Business Bank |
| $1–2 million | SOUTH COAST TRANSPORTATION & DISTRIBUTION, INC. | FULLERTON, CA | Citizens Business Bank |
| $350,000–1 million | SOUTHLAND INTEGRATED SERVICES, INC. | SANTA ANA, CA | Citizens Business Bank |
| $5–10 million | SOUTHWEST COLLEGE OF MEDICAL-DENTAL ASSISTANTS & PRACTICAL NURSES | WEST COVINA, CA | Citizens Business Bank |
| $350,000–1 million | SOUTHWEST PEDIATRICS, A MEDICAL CORPORAT | BAKERSFIELD, CA | Citizens Business Bank |
| $350,000–1 million | SOUTHWEST PIPELINE AND TRENCHLESS CORP | TORRANCE, CA | Citizens Business Bank |
| $150,000–350,000 | SOUTHWEST REBAR, INC. | ONTARIO, CA | Citizens Business Bank |