| $150,000–350,000 | SELECT DOOR AND WINDOW, INC. | ESCONDIDO, CA | Pacific Western Bank |
| $350,000–1 million | SENSIBLE ORGANICS, INC. | BEAVER FALLS, PA | Pacific Western Bank |
| $350,000–1 million | SENTRY SECURITY LLC | WHEELING, IL | Pacific Western Bank |
| $1–2 million | SERA PROGNOSTICS, INC | SALT LAKE CITY, UT | Pacific Western Bank |
| $1–2 million | SERVICING SOLUTIONS, LLC | IRVING, TX | Pacific Western Bank |
| $150,000–350,000 | SERVICIO ROSSO LLC | LOS ANGELES, CA | Pacific Western Bank |
| $350,000–1 million | SESPE CONSULTING, INC. | VENTURA, CA | Pacific Western Bank |
| $350,000–1 million | SETTLE IT, INC. | ANAHEIM, CA | Pacific Western Bank |
| $150,000–350,000 | SEVEN LAKES HOME OWNERS ASSOCIATION, INC. | PALM SPRINGS, CA | Pacific Western Bank |
| $1–2 million | SHAPEWAYS, INC. | NEW YORK, NY | Pacific Western Bank |
| $5–10 million | SHARECARE, INC. | ATLANTA, GA | Pacific Western Bank |
| $150,000–350,000 | SHINNICK & RYAN LLP | SAN DIEGO, CA | Pacific Western Bank |
| $150,000–350,000 | SHINNICK & RYAN NV P.C. | LAS VEGAS, NV | Pacific Western Bank |
| $350,000–1 million | SHOPCO U.S.A., INC. | HOUSTON, TX | Pacific Western Bank |
| $2–5 million | SHOPRUNNER, INC. | CHICAGO, IL | Pacific Western Bank |
| $350,000–1 million | SHORELINE LAND CARE, INC. | CORONADO, CA | Pacific Western Bank |
| $150,000–350,000 | SIDEWALK MANAGEMENT GROUP | VENICE, CA | Pacific Western Bank |
| $1–2 million | SIERRA COMMERCIAL PLUMBING, INC. | SIMI VALLEY, CA | Pacific Western Bank |
| $350,000–1 million | SIERRA PACIFIC FARMS, INC. | TEMECULA, CA | Pacific Western Bank |
| $350,000–1 million | SIERRA SUN, INC. | LAKE ELSINORE, CA | Pacific Western Bank |
| $350,000–1 million | SIGNAGE SOLUTIONS CORPORATION | ANAHEIM, CA | Pacific Western Bank |
| $350,000–1 million | SIGNAL VINE, INC. | ALEXANDRIA, VA | Pacific Western Bank |
| $1–2 million | SILICON FOREST ELECTRONICS, INC. | VANCOUVER, WA | Pacific Western Bank |
| $350,000–1 million | SILVER LAKE RESEARCH CORPORATION | IRWINDALE, CA | Pacific Western Bank |
| $150,000–350,000 | SILVERSAGE ADVISORS | IRVINE, CA | Pacific Western Bank |
| $150,000–350,000 | SIMI RECREATIONAL VEHICLE SALES, INC. | SIMI VALLEY, CA | Pacific Western Bank |
| $150,000–350,000 | SIMPLE AUTO, INC | PETOSKY, MI | Pacific Western Bank |
| $150,000–350,000 | SIMPLYFUN, LLC | BELLEVUE, WA | Pacific Western Bank |
| $1–2 million | SINANIAN DEVELOPMENT, INC. | TARZANA, CA | Pacific Western Bank |
| $350,000–1 million | SITTERCITY INCORPORATED | CHICAGO, IL | Pacific Western Bank |
| $350,000–1 million | SIX SMITH FAMILY, INC. | NEWBURY PARK, CA | Pacific Western Bank |
| $150,000–350,000 | SIX-PAC RECYCLING CORP | CORONA, CA | Pacific Western Bank |
| $350,000–1 million | SLATER BUILDERS, INC. | COSTA MESA, CA | Pacific Western Bank |
| $150,000–350,000 | SLO TAPS, LLC | ORCUTT, CA | Pacific Western Bank |
| $350,000–1 million | SMITH HEALTH, INC. | SAN FRANCISCO, CA | Pacific Western Bank |
| $150,000–350,000 | SMITH SMITH & FEELEY LLP | NEWPORT BEACH, CA | Pacific Western Bank |
| $350,000–1 million | SOAR CHARTER ACADEMY | SAN BERNARDINO, CA | Pacific Western Bank |
| $350,000–1 million | SOCAL PACIFIC CONSTRUCTION, CORP. | MURRIETA, CA | Pacific Western Bank |
| $150,000–350,000 | SOCAL SENIOR SERVICES LLC | IRVINE, CA | Pacific Western Bank |
| $350,000–1 million | SOLTIS AND COMPANY INC | UPLAND, CA | Pacific Western Bank |
| $150,000–350,000 | SOLVE-IT! COMPANIES, LLC | SANTA MARIA, CA | Pacific Western Bank |
| $150,000–350,000 | SONA SENIOR LIVING NH LLC | LYNNFIELD, MA | Pacific Western Bank |
| $150,000–350,000 | SONLIGHT FIRE, INC. | WILDOMAR, CA | Pacific Western Bank |
| $1–2 million | SOOTHE, INC. | LOS ANGELES, CA | Pacific Western Bank |
| $150,000–350,000 | SORA POWER INC. | CORONA, CA | Pacific Western Bank |
| $350,000–1 million | SOUND CONTROL COMPANY | VALENCIA, CA | Pacific Western Bank |
| $150,000–350,000 | SOUTH DAVIS VETERINARY CORPORATION | DAVIS, CA | Pacific Western Bank |
| $150,000–350,000 | SOUTH GATE WINGS LLC | SOUTH GATE, CA | Pacific Western Bank |
| $350,000–1 million | SOUTHEAST CONSTRUCTION PRODUCTS, INC. | SOUTH EL MONTE, CA | Pacific Western Bank |
| $150,000–350,000 | SOUTHERN CALIFORNIA COUNSELLING CENTER | LOS ANGELES, CA | Pacific Western Bank |
| $1–2 million | SOUTHERN CALIFORNIA ILLUMINATI | IRVINE, CA | Pacific Western Bank |
| $150,000–350,000 | SOUTHERN MOTORCYCLE SUPPLY, INC. | SAN DIEGO, CA | Pacific Western Bank |
| $150,000–350,000 | SOUTHERN ORANGE COUNTY PEDIATRIC ASSOCIATES II, A MEDICAL CORPORATION | MISSION VIEJO, CA | Pacific Western Bank |
| $350,000–1 million | SOUTHLAND DATA PROCESSING | UPLAND, CA | Pacific Western Bank |
| $1–2 million | SOUTHLAND PAVING, INC. | ESCONDIDO, CA | Pacific Western Bank |
| $150,000–350,000 | SOUTHWEST FIRE PROS | THOUSAND PALMS, CA | Pacific Western Bank |
| $350,000–1 million | SOUTHWEST FIRE PROTECTION COMPANY | MONROVIA, CA | Pacific Western Bank |
| $350,000–1 million | SOUTHWEST PLUMBING, INC. | THOUSAND PALMS, CA | Pacific Western Bank |
| $2–5 million | SOUTHWESTERN INDUSTRIES, INC. | RANCHO DOMINGUEZ, CA | Pacific Western Bank |
| $350,000–1 million | SPACE SCIENCES & ENGINEERING, LLC | GOLDEN, CO | Pacific Western Bank |
| $2–5 million | SPATES FABRICATORS INC. | THERMAL, CA | Pacific Western Bank |
| $350,000–1 million | SPEC ENGINEERING COMPANY, INC. | PANORAMA CITY, CA | Pacific Western Bank |
| $150,000–350,000 | SPECTRUM MONTESSORI AT WOODBURY, INC. | IRVINE, CA | Pacific Western Bank |
| $150,000–350,000 | SPECTRUM MONTESSORI, INC | IRVINE, CA | Pacific Western Bank |
| $350,000–1 million | SPENCER AEROSPACE MANUFACTURING LLC | SUN VALLEY, CA | Pacific Western Bank |
| $150,000–350,000 | SPIRES RESTAURANT - ORANGE | ORANGE, CA | Pacific Western Bank |
| $1–2 million | SPOTLIGHT TICKET MANAGEMENT, INC. | CALABASAS, CA | Pacific Western Bank |
| $350,000–1 million | SPRAGUES' ROCK AND SAND COMPANY | BALDWIN PARK, CA | Pacific Western Bank |
| $150,000–350,000 | SPRINGHOP, LLC | SANTA MONICA, CA | Pacific Western Bank |
| $350,000–1 million | SPYDER | LA JOLLA, CA | Pacific Western Bank |
| $150,000–350,000 | SSB LEGAL TECHNOLOGIES LLC | LOS ANGELES, CA | Pacific Western Bank |
| $150,000–350,000 | ST. GREGORY THE ILLUMINATOR ARMENIAN APOSTOLIC CHURCH OF PASADENA | PASADENA, CA | Pacific Western Bank |
| $2–5 million | ST. VINCENT DE PAUL VILLAGE, INC. | SAN DIEGO, CA | Pacific Western Bank |
| $150,000–350,000 | STABOND CORPORATION | GARDENA, CA | Pacific Western Bank |
| $350,000–1 million | STANDARD EXTERIORS, INC. | NORCO, CA | Pacific Western Bank |
| $350,000–1 million | STAR SCRAP METAL CO INC | MONTEBELLO, CA | Pacific Western Bank |
| $150,000–350,000 | STARTAPP INC. | NEW YORK, NY | Pacific Western Bank |
| $350,000–1 million | STATEWIDE FUMIGATION SAN DIEGO COUNTY, INC. | SAN MARCOS, CA | Pacific Western Bank |
| $1–2 million | STEALTH MONITORING INC. | ADDISON, TX | Pacific Western Bank |
| $150,000–350,000 | STEHLY FARMS MARKET LLC | VALLEY CENTER, CA | Pacific Western Bank |
| $150,000–350,000 | STEHLY RANCH | VALLEY CENTER, CA | Pacific Western Bank |
| $2–5 million | STEM PREPARATORY SCHOOLS, INC. | LOS ANGELES, CA | Pacific Western Bank |
| $150,000–350,000 | STEVENSON LAW OFFICE, P.C. | SHERMAN OAKS, CA | Pacific Western Bank |
| $2–5 million | STONEBRIDGE REALTY ADVISORS, INC. | DENVER, CO | Pacific Western Bank |
| $150,000–350,000 | STOVER SEED CO. | SUN VALLEY, CA | Pacific Western Bank |
| $150,000–350,000 | STRICKLAND ENTERPRISES, INC. | SANGER, CA | Pacific Western Bank |
| $350,000–1 million | STUDIO DESIGNS, INC. | LOS ANGELES, CA | Pacific Western Bank |
| $350,000–1 million | STUDIO MOULDING, INC | CARSON, CA | Pacific Western Bank |
| $350,000–1 million | STUDIONOW, INC. | NASHVILLE, TN | Pacific Western Bank |
| $150,000–350,000 | STUMP FENCE CO. | GLENDORA, CA | Pacific Western Bank |
| $150,000–350,000 | SUBVERTICAL LLC | SANTA BARBARA, CA | Pacific Western Bank |
| $350,000–1 million | SUMMERS, MURPHY & PARTNERS, INC. | DANA POINT, CA | Pacific Western Bank |
| $1–2 million | SUN VALLEY SPECIALTY HEALTHCARE, INC. | SUN VALLEY, CA | Pacific Western Bank |
| $150,000–350,000 | SUNBURST DRAPERY CLEANERS & FIREPROOFING, INC. | BALDWIN PARK, CA | Pacific Western Bank |
| $150,000–350,000 | SUNDAY VINYL | DENVER, CO | Pacific Western Bank |
| $350,000–1 million | SUNFOOD CORPORATION | EL CAJON, CA | Pacific Western Bank |
| $350,000–1 million | SUNLET NURSERY, INC. | FALLBROOK, CA | Pacific Western Bank |
| $150,000–350,000 | SUNRISE HEALTHCARE CENTERS, LLC. | ANAHEIM, CA | Pacific Western Bank |
| $150,000–350,000 | SUNSTONE VINEYARDS AND WINERY | SANTA YNEZ, CA | Pacific Western Bank |
| $1–2 million | SUPERIOR ELECTRICAL ADVERTISING, INC. | LONG BEACH, CA | Pacific Western Bank |