| $350,000–1 million | SPOTTSWOODE WINERY INC | Saint Helena, CA | Mechanics Bank |
| $350,000–1 million | SPOTTSWOODE WINERY INC. | SAINT HELENA, CA | Mechanics Bank |
| $150,000–350,000 | SPRENKLE, GEORGARIOU & DILLES, LLP | SALINAS, CA | Mechanics Bank |
| $350,000–1 million | SPRUCE GROVE, INC. | SANTA ANA, CA | Mechanics Bank |
| $150,000–350,000 | SQUAB PRODUCERS OF CALIFORNIA | Modesto, CA | Mechanics Bank |
| $150,000–350,000 | SQUAB PRODUCERS OF CALIFORNIA | MODESTO, CA | Mechanics Bank |
| $150,000–350,000 | ST. JOHN THE BAPTIST SCHOOL | EL CERRITO, CA | Mechanics Bank |
| $150,000–350,000 | ST. JOSEPH SCHOOL | PINOLE, CA | Mechanics Bank |
| $150,000–350,000 | ST. LOUIS DE MONTFORT SCHOOL | SANTA MARIA, CA | Mechanics Bank |
| $150,000–350,000 | ST. MARY OF THE ASSUMPTION SCHOOL | SANTA MARIA, CA | Mechanics Bank |
| $350,000–1 million | STABEN BROS., INC. | SANTA PAULA, CA | Mechanics Bank |
| $150,000–350,000 | STABEN ENGINEERING INC | CAMARILLO, CA | Mechanics Bank |
| $150,000–350,000 | STANDARD & SPECIALTY | Berkeley, CA | Mechanics Bank |
| $150,000–350,000 | STANISLAUS COUNTY FAIR | TURLOCK, CA | Mechanics Bank |
| $350,000–1 million | STAT REVENUE | Emeryville, CA | Mechanics Bank |
| $150,000–350,000 | STEEL SOLUTIONS INC. | Hollister, CA | Mechanics Bank |
| $150,000–350,000 | STEEL SOLUTIONS, INC. | HOLLISTER, CA | Mechanics Bank |
| $2–5 million | STELLAR | MADERA, CA | Mechanics Bank |
| $350,000–1 million | STEPHENS MECHANICAL CORPORATION | WALNUT CREEK, CA | Mechanics Bank |
| $350,000–1 million | STEPHENS MECHANICAL CORPORATION | Fairfield, CA | Mechanics Bank |
| $150,000–350,000 | STERLING AVIONICS INC. | CONCORD, CA | Mechanics Bank |
| $150,000–350,000 | STEWART HEATING & AIR INC. | Pittsburg, CA | Mechanics Bank |
| $150,000–350,000 | STEWART HEATING & AIR INC. | PITTSBURG, CA | Mechanics Bank |
| $150,000–350,000 | STEWART'S BODY SHOP INC. | Richmond, CA | Mechanics Bank |
| $150,000–350,000 | STEWARTS BODY SHOP INC. | RICHMOND, CA | Mechanics Bank |
| $350,000–1 million | STILL WATERS RANCH, LLC | HANFORD, CA | Mechanics Bank |
| $350,000–1 million | STN DIGITAL LLC | San Diego, CA | Mechanics Bank |
| $350,000–1 million | STN DIGITAL LLC | San Diego, CA | Mechanics Bank |
| $2–5 million | STOCKHAM CONSTRUCTION, INC. | COTATI, CA | Mechanics Bank |
| $350,000–1 million | STONE FAMILY SPREADING, INC. | WINTON, CA | Mechanics Bank |
| $350,000–1 million | STRAHM FARMS INC | Holtville, CA | Mechanics Bank |
| $350,000–1 million | STRAIGHT DOWN ENTERPRISES, INC. | San Luis Obispo, CA | Mechanics Bank |
| $350,000–1 million | STROER & GRAFF, INC. | Antioch, CA | Mechanics Bank |
| $150,000–350,000 | STUDIO BLUE REPROGRAPHICS | Pleasanton, CA | Mechanics Bank |
| $150,000–350,000 | STUDIO BLUE REPROGRAPHICS | Pleasanton, CA | Mechanics Bank |
| $350,000–1 million | STUDIO KDA | BERKELEY, CA | Mechanics Bank |
| $350,000–1 million | STUDIO KDA | Berkeley, CA | Mechanics Bank |
| $150,000–350,000 | SUDS CAR WASH, INC. | EL DORADO HILLS, CA | Mechanics Bank |
| $350,000–1 million | SULLIVAN INVESTMENT CORPORATION | Mesa, AZ | Mechanics Bank |
| $150,000–350,000 | SULLY & SON HYD | BAKERSFIELD, CA | Mechanics Bank |
| $150,000–350,000 | SUMMERHILL DAIRY | HANFORD, CA | Mechanics Bank |
| $350,000–1 million | SUMMERSET ASSISTED LIVING | Rancho Cordova, CA | Mechanics Bank |
| $150,000–350,000 | SUMMERSET LINCOLN ASSISTED LIVING LLC | ROSEVILLE, CA | Mechanics Bank |
| $1–2 million | SUN DATE LLC | Coachella, CA | Mechanics Bank |
| $350,000–1 million | SUN DATE, LLC | COACHELLA, CA | Mechanics Bank |
| $150,000–350,000 | SUN VALLEY FARMS, INC. | HOLTVILLE, CA | Mechanics Bank |
| $350,000–1 million | SUN VALLEY HAY, INC. | BRAWLEY, CA | Mechanics Bank |
| $350,000–1 million | SUNFOODS LLC | Woodland, CA | Mechanics Bank |
| $150,000–350,000 | SUNRISE ORCHARDS, INC. | DINUBA, CA | Mechanics Bank |
| $150,000–350,000 | SUNRISE PHYSICAL THERAPY SERVICES INC. | Oxnard, CA | Mechanics Bank |
| $150,000–350,000 | SUNRISE PHYSICAL THERAPY SERVICES, INC. | OXNARD, CA | Mechanics Bank |
| $150,000–350,000 | SUNSET VIEW CEMETERY ASSOCIATION | EL CERRITO, CA | Mechanics Bank |
| $350,000–1 million | SURF PACKING INC. | LOMPOC, CA | Mechanics Bank |
| $350,000–1 million | SURFACE PUMPS | BAKERSFIELD, CA | Mechanics Bank |
| $350,000–1 million | SUSTAINABLE RESTAURANT DEVELOPMENT INC | Walnut Creek, CA | Mechanics Bank |
| $150,000–350,000 | SUTTER FOOD CO INC | YUBA CITY, CA | Mechanics Bank |
| $150,000–350,000 | SUTTER FOODS CO. INC | Yuba City, CA | Mechanics Bank |
| $350,000–1 million | SVT GRUPPE INC. | Napa, CA | Mechanics Bank |
| $350,000–1 million | SVT GRUPPE, INC. | NAPA, CA | Mechanics Bank |
| $150,000–350,000 | SWANNER PHYSICAL THERAPY | Ojai, CA | Mechanics Bank |
| $150,000–350,000 | SYLVESTER'S BURGERS, LLC | Atascadero, CA | Mechanics Bank |
| $150,000–350,000 | SYLVESTER'S BURGERS, LLC | ATASCADERO, CA | Mechanics Bank |
| $150,000–350,000 | T SIMONS CO INC | NIPOMO, CA | Mechanics Bank |
| $350,000–1 million | T.M. DUCHE NUT CO. INC. | Orland, CA | Mechanics Bank |
| $350,000–1 million | T.M. DUCHE NUT COMPANY INC | ORLAND, CA | Mechanics Bank |
| $350,000–1 million | TABLAS CREEK VINEYARD, A CA LIMITED PARTNERSHIP | PASO ROBLES, CA | Mechanics Bank |
| $350,000–1 million | TACUBAYA | Berkeley, CA | Mechanics Bank |
| $150,000–350,000 | TACUBAYA LLC | BERKELEY, CA | Mechanics Bank |
| $350,000–1 million | TAMALPAIS COMMERCIAL CABINETRY INC. | Richmond, CA | Mechanics Bank |
| $350,000–1 million | TAMALPAIS COMMERCIAL CABINETRY, INC | RICHMOND, CA | Mechanics Bank |
| $150,000–350,000 | TAMURA DESIGNS INC. | SAN JOSE, CA | Mechanics Bank |
| $150,000–350,000 | TAMURA DESIGNS INC. | San Jose, CA | Mechanics Bank |
| $350,000–1 million | TAQUERIA SAN MIGUEL | Cathedral City, CA | Mechanics Bank |
| $150,000–350,000 | TAQUERIA SAN MIGUEL | CATHEDRAL CITY, CA | Mechanics Bank |
| $350,000–1 million | TAYLOR BACKHOE SERVICE, INC | MERCED, CA | Mechanics Bank |
| $350,000–1 million | TAYLOR BROTHERS FARMS, INC. | YUBA CITY, CA | Mechanics Bank |
| $350,000–1 million | TAYLOR BROTHERS, INC. | TULARE, CA | Mechanics Bank |
| $150,000–350,000 | TBW LLC | Camarillo, CA | Mechanics Bank |
| $350,000–1 million | TBW LLC | CAMARILLO, CA | Mechanics Bank |
| $150,000–350,000 | TEC PROJECT BUILDERS, INC. | ROCKLIN, CA | Mechanics Bank |
| $150,000–350,000 | TECH TIME COMMUNICATIONS | Bakersfield, CA | Mechanics Bank |
| $2–5 million | TED JONES FORD, INC. | BUENA PARK, CA | Mechanics Bank |
| $350,000–1 million | TEK LABELS & PRINTING, INC. | Milpitas, CA | Mechanics Bank |
| $350,000–1 million | TEKFORCE CORP. | San Ramon, CA | Mechanics Bank |
| $350,000–1 million | TEKFORCE CORPORATION | DANVILLE, CA | Mechanics Bank |
| $150,000–350,000 | TEMMERMAN, CILLEY AND KOHLMANN, LLP | San Jose, CA | Mechanics Bank |
| $350,000–1 million | TEN PIN FUN CENTER | Turlock, CA | Mechanics Bank |
| $350,000–1 million | TEN PIN FUN CENTER, LLC | TURLOCK, CA | Mechanics Bank |
| $350,000–1 million | TEN-WEST TOWING INC | Bakersfield, CA | Mechanics Bank |
| $350,000–1 million | TEN-WEST TOWING, INC. | BAKERSFIELD, CA | Mechanics Bank |
| $350,000–1 million | TENDO CORPORATION | San Francisco, CA | Mechanics Bank |
| $150,000–350,000 | TERRA LINDA DIARY | TULARE, CA | Mechanics Bank |
| $150,000–350,000 | TEUNISSEN RANCH INC. | VISALIA, CA | Mechanics Bank |
| $150,000–350,000 | TEXAS MILK TRANSPORT INC | VISALIA, CA | Mechanics Bank |
| $150,000–350,000 | TF SEMICONDUCTOR SOLUTIONS, INC. | ROSEVILLE, CA | Mechanics Bank |
| $350,000–1 million | TFK DRYWALL & CONSTRUCTION, INC. | HOLLISTER, CA | Mechanics Bank |
| $150,000–350,000 | TG PAGE DESIGN GROUP | SACRAMENTO, CA | Mechanics Bank |
| $150,000–350,000 | THE APOLLONIA DENTAL GROUP | ALBANY, CA | Mechanics Bank |
| $150,000–350,000 | THE BENDETTI COMPANY | Irvine, CA | Mechanics Bank |
| $150,000–350,000 | THE BENDETTI COMPANY | IRVINE, CA | Mechanics Bank |