| $350,000–1 million | A AND B FERIA INC | MADERA, CA | Westamerica Bank |
| $150,000–350,000 | ABLE TIRE AND BRAKE CO INC | NOVATO, CA | Westamerica Bank |
| $150,000–350,000 | ABS DIRECT INC | MODESTO, CA | Westamerica Bank |
| $350,000–1 million | ABSOLUTE URETHANE | FRESNO, CA | Westamerica Bank |
| $350,000–1 million | ACM MACHINING, INC. | RANCHO CORDOVA, CA | Westamerica Bank |
| $150,000–350,000 | ACME HOME ELEVATOR INC. | BENICIA, CA | Westamerica Bank |
| $150,000–350,000 | ADVANCED COMBUSTION & PROCESS CONTROLS INC | BAKERSFIELD, CA | Westamerica Bank |
| $150,000–350,000 | AFFORDABLE 1 PAINTING, INC. | VACAVILLE, CA | Westamerica Bank |
| $150,000–350,000 | AG LABOR SERVICES | ATWATER, CA | Westamerica Bank |
| $150,000–350,000 | AGRECOM INC | MERCED, CA | Westamerica Bank |
| $150,000–350,000 | ALEXANDRA FOODS INC | VISALIA, CA | Westamerica Bank |
| $1–2 million | ALSCO GEYER IRRIGATION INC | ARKBUCKLE, CA | Westamerica Bank |
| $2–5 million | ALTURA CENTERS FOR HEALTH | TULARE, CA | Westamerica Bank |
| $150,000–350,000 | AMER TOW INC | CONCORD, CA | Westamerica Bank |
| $350,000–1 million | AMERICAN AG AVIATION INC | FIVE POINTS, CA | Westamerica Bank |
| $150,000–350,000 | AMERICAN AUTO BODY SPECIALISTS INC | FAIRFIELD, CA | Westamerica Bank |
| $150,000–350,000 | ANDERSON-LITFIN INC | TURLOCK, CA | Westamerica Bank |
| $150,000–350,000 | AQUATECH CONSULTANCY, INC. | NOVATO, CA | Westamerica Bank |
| $150,000–350,000 | ARAUJO, INC. | BAKERSFIELD, CA | Westamerica Bank |
| $1–2 million | ARNTZ BUILDERS INC | PETALUMA, CA | Westamerica Bank |
| $150,000–350,000 | ARTHUR AND ORUM WELL DRILLING, INC. | FRESNO, CA | Westamerica Bank |
| $350,000–1 million | ATI AG SERVICES, LLC | KINGSBURG, CA | Westamerica Bank |
| $150,000–350,000 | ATWATER MEDICAL GROUP | ATWATER, CA | Westamerica Bank |
| $150,000–350,000 | ATWATER MERCED VETERINARY CLINIC INC | ATWATER, CA | Westamerica Bank |
| $150,000–350,000 | AVALOS MECHANICAL & FABRICATION INC | TURLOCK, CA | Westamerica Bank |
| $150,000–350,000 | AXIOM INDUSTRIES INC | FRESNO, CA | Westamerica Bank |
| $150,000–350,000 | B AND B PLUMBING AND CONSTRUCTION INC | ATWATER, CA | Westamerica Bank |
| $150,000–350,000 | B AND Z AUTO COLOR INC | MODESTO, CA | Westamerica Bank |
| $350,000–1 million | BAKER WILLIAMS ENGINEERING GROUP | CARMICHAEL, CA | Westamerica Bank |
| $150,000–350,000 | BARNEY AND RUSSUM | FAIRFIELD, CA | Westamerica Bank |
| $150,000–350,000 | BARRY PARISH DDS INC | BENICIA, CA | Westamerica Bank |
| $150,000–350,000 | BARTLE WELLS ASSOCIATES | BERKELEY, CA | Westamerica Bank |
| $2–5 million | BAY AREA COMMUNITY SERVICES INC | OAKLAND, CA | Westamerica Bank |
| $2–5 million | BAY AREA LEGAL AID | OAKLAND, CA | Westamerica Bank |
| $150,000–350,000 | BAY AREA REAL ESTATE INFORMATION SERVICE | SANTA ROSA, CA | Westamerica Bank |
| $350,000–1 million | BEACH EATS INC | MILL VALLEY, CA | Westamerica Bank |
| $150,000–350,000 | BEDROCK WINE COMPANY LP | SONOMA, CA | Westamerica Bank |
| $350,000–1 million | BELLA NOTTE LINENS INC | NOVATO, CA | Westamerica Bank |
| $1–2 million | BENICIA PLUMBING INC | BENICIA, CA | Westamerica Bank |
| $350,000–1 million | BERRY JOE CORPORATION | CLEARLAKE, CA | Westamerica Bank |
| $150,000–350,000 | BIG N DEEP, INC. | BAKERSFEILD, CA | Westamerica Bank |
| $350,000–1 million | BMP SOLUTIONS | ROCKLIN, CA | Westamerica Bank |
| $150,000–350,000 | BOARDWALK INVESTMENT GROUP INC | WALNUT CREEK, CA | Westamerica Bank |
| $150,000–350,000 | BODEGA HARBOUR HOMEOWNERS ASSOCIATION | BODEGA BAY, CA | Westamerica Bank |
| $1–2 million | BOND MANUFACTURING CO. INC. | ANTIOCH, CA | Westamerica Bank |
| $350,000–1 million | BORUNDA PRIVATE SECURITY AND PATROL INC | CLOVIS, CA | Westamerica Bank |
| $150,000–350,000 | BRELSFORD ANDROVICH AND WHITE | SACRAMENTO, CA | Westamerica Bank |
| $350,000–1 million | BRIAR PATCH CO-OP | GRASS VALLEY, CA | Westamerica Bank |
| $350,000–1 million | BRIDGES RESTORATION LLC | KELSEYVILLE, CA | Westamerica Bank |
| $150,000–350,000 | BRUNK INDUSTRIES | OAKDALE, CA | Westamerica Bank |
| $150,000–350,000 | BURTON'S FIRE INC. | MODESTO, CA | Westamerica Bank |
| $150,000–350,000 | BUSINESS SYSTEMS PROCESSING INC | NOVATO, CA | Westamerica Bank |
| $150,000–350,000 | C & A TRUCKING | COTATI, CA | Westamerica Bank |
| $350,000–1 million | C3 CONSTRUCTION GROUP, INC. | CERES, CA | Westamerica Bank |
| $150,000–350,000 | CAL COATING ASPHALT, INC. | TURLOCK, CA | Westamerica Bank |
| $150,000–350,000 | CALIFORNIA ASSOCIATION OF EMPLOYER SERVICES, INC. | SACRAMENTO, CA | Westamerica Bank |
| $150,000–350,000 | CALIFORNIA LANDSCAPE ASSOCIATES | SACRAMENTO, CA | Westamerica Bank |
| $1–2 million | CALIFORNIA ORTHOPEDICS AND SPINE INC | LARKSPUR, CA | Westamerica Bank |
| $350,000–1 million | CALIFORNIA RURAL WATER ASSOCIATION | SACRAMENTO, CA | Westamerica Bank |
| $350,000–1 million | CALISTOGA SPA, INC. | CALISTOGA, CA | Westamerica Bank |
| $150,000–350,000 | CAMIDA INC | MODESTO, CA | Westamerica Bank |
| $350,000–1 million | CAPITAL RUBBER & GASKET INC | SACRAMENTO, CA | Westamerica Bank |
| $150,000–350,000 | CARLOS MAGISTRADO | FAIRFIELD, CA | Westamerica Bank |
| $150,000–350,000 | CARS PARTNERSHIP | SAN RAMON, CA | Westamerica Bank |
| $150,000–350,000 | CARUTHERS PUMP INC | CARUTHERS, CA | Westamerica Bank |
| $150,000–350,000 | CASINI ENTERPRISES INC | DUNCANS MILLS, CA | Westamerica Bank |
| $150,000–350,000 | CBC LIGHTING INC | FRESNO, CA | Westamerica Bank |
| $350,000–1 million | CCM PARTNERSHIP | DUBLIN, CA | Westamerica Bank |
| $350,000–1 million | CENCAL FOODS LLC | FRESNO, CA | Westamerica Bank |
| $2–5 million | CENTER POINT, INC. | SAN RAFAEL, CA | Westamerica Bank |
| $150,000–350,000 | CENTERFORCE, INC. | OAKLAND, CA | Westamerica Bank |
| $350,000–1 million | CENTRAL ADMINISTRATIVE SERVICES INC | FRESNO, CA | Westamerica Bank |
| $150,000–350,000 | CERRO PACIFIC LUMBER INC | REDWOOD VALLEY, CA | Westamerica Bank |
| $150,000–350,000 | CHERINS APPLIANCE INC | SAN FRANCISCO, CA | Westamerica Bank |
| $150,000–350,000 | CHILD ABUSE PREVENTION COUNCIL OF CONTRA COSTA COUNTY | CONCORD, CA | Westamerica Bank |
| $150,000–350,000 | CLASSIC MILL & CABINET LLC | CLOVERDALE, CA | Westamerica Bank |
| $150,000–350,000 | CLEAN CUT LANDSCAPE MANAGEMENT INC | CLOVIS, CA | Westamerica Bank |
| $150,000–350,000 | CLEARSTORY INC | SAN FRANCISCO, CA | Westamerica Bank |
| $150,000–350,000 | CMJ GROUP LLC | TURLOCK, CA | Westamerica Bank |
| $150,000–350,000 | CMT SERVICE & REPAIR INC | TULARE, CA | Westamerica Bank |
| $150,000–350,000 | COBURN RANCHES | DOS PALOS, CA | Westamerica Bank |
| $350,000–1 million | COLIN CONSTRUCTION COMPANY INC | AUBURN, CA | Westamerica Bank |
| $150,000–350,000 | COMMERCIAL FLOORING INSTALLERS INC | RANCHO CORDOVA, CA | Westamerica Bank |
| $150,000–350,000 | COMMODITY TRANSPORTERS INC | TURLOCK, CA | Westamerica Bank |
| $150,000–350,000 | COMMUNITY SOCIAL MODEL ADVOCATES INC | ATWATER, CA | Westamerica Bank |
| $350,000–1 million | COMPREHENSIVE SUPPORT SYSTEMS | CLEARLAKE, CA | Westamerica Bank |
| $350,000–1 million | COMPUMAIL INFORMATION SERVICES INC | CONCORD, CA | Westamerica Bank |
| $350,000–1 million | CONTINENTAL WAREHOUSE OF SACRAMENTO INC | SACRAMENTO, CA | Westamerica Bank |
| $350,000–1 million | CONTRA COSTA PATHOLOGY ASSOCIATES | PLEASANT HILL, CA | Westamerica Bank |
| $150,000–350,000 | CORNERTSONE FINANCIAL SERVICES | SAN RAFAEL, CA | Westamerica Bank |
| $350,000–1 million | CRETE CRUSH LLC | ORANGEVALE, CA | Westamerica Bank |
| $150,000–350,000 | CSM & M AN ACCOUNTANCY CORPORATION | SAN RAFAEL, CA | Westamerica Bank |
| $150,000–350,000 | CURTIS HOLDING INC | UPPER LAKE, CA | Westamerica Bank |
| $150,000–350,000 | D & D PIPELINES, INC. | SAN ANSELMO, CA | Westamerica Bank |
| $2–5 million | DAHLIN GROUP INC | PLEASANTON, CA | Westamerica Bank |
| $150,000–350,000 | DALLAS BROS FARMS | LIVINGSTON, CA | Westamerica Bank |
| $150,000–350,000 | DANCO TRAILERS INC | TURLOCK, CA | Westamerica Bank |
| $350,000–1 million | DANIEL O. DAVIS INC. | SANTA ROSA, CA | Westamerica Bank |
| $150,000–350,000 | DARDEN PAINTING, INC. | CONCORD, CA | Westamerica Bank |
| $150,000–350,000 | DAVE CERICOLA LANDSCAPE SERVICE | SAN ANSELMO, CA | Westamerica Bank |