| $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 FORD AUTO GROUP INC. | MADERA, CA | Citizens Business Bank |
| $350,000–1 million | SILVER KING ENTERPRISES INC | San Fernando, CA | Citizens Business Bank |
| $350,000–1 million | SILVER KING ENTERPRISES INC | MADERA, CA | Citizens Business Bank |
| $350,000–1 million | SILVERMARK CONSTRUCTION SERVICES INC. | FAIRFIELD, CA | Citizens Business Bank |
| $350,000–1 million | SILVERMARK CONSTRUCTION SERVICES INC. | FAIRFIELD, CA | Citizens Business Bank |
| $2–5 million | SINGER LEWAK LLP | LOS ANGELES, CA | Citizens Business Bank |
| $350,000–1 million | SINRISE CHURCH OF CALIFORNIA | Rialto, 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 |
| $350,000–1 million | SLEEP FIT CORPORATION INC | FRESNO, CA | Citizens Business Bank |
| $150,000–350,000 | SMITH & SON TIRE INC. | Bakersfield, 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 |
| $1–2 million | SNOW WELL SERVICE INC | Bakersfield, 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 | SO CAL DENTAL PARTNERS, INC | LAKE FOREST, CA | Citizens Business Bank |
| $150,000–350,000 | SO CHUN, INC. | OROSI, 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 |
| $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 |
| $1–2 million | SOUTH COAST TRANSPORTATION & DISTRIBUTION, INC. | FULLERTON, CA | Citizens Business Bank |
| $350,000–1 million | SOUTH GATE BREWING COMPANY | Oakhurst, CA | Citizens Business Bank |
| $150,000–350,000 | SOUTH GATE BREWING COMPANY | OAKHURST, 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 N | 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 |
| $350,000–1 million | SOUTHWESTERN ACADEMY | SAN MARINO, CA | Citizens Business Bank |
| $350,000–1 million | SOUTHWESTERN ACADEMY | San Marino, CA | Citizens Business Bank |
| $150,000–350,000 | SPADARO ENTERPRISES INC | LANCASTER, CA | Citizens Business Bank |
| $150,000–350,000 | SPANO ENTERPRISES INC | FRESNO, CA | Citizens Business Bank |
| $150,000–350,000 | SPARLING INSTRUMENTS LLC | El Monte, CA | Citizens Business Bank |
| $150,000–350,000 | SPARLING INSTRUMENTS, LLC | EL MONTE, CA | Citizens Business Bank |
| $150,000–350,000 | SPAULDING EQUIPMENT COMPANY | Perris, CA | Citizens Business Bank |
| $150,000–350,000 | SPECIALIZED CARE FOSTER FAMILY AGENCY | RANCHO CUCAMONGA, CA | Citizens Business Bank |
| $150,000–350,000 | SPECIALTY ENTERPRISES CO. | COMMERCE, CA | Citizens Business Bank |
| $350,000–1 million | SPENCER RECOVERY CENTERS | Laguna Beach, CA | Citizens Business Bank |
| $350,000–1 million | SPENCER RECOVERY CENTERS, INC. | LAGUNA BEACH, CA | Citizens Business Bank |
| $350,000–1 million | SPIRA MANUFACTURING CORPORATION | SAN FERNANDO, CA | Citizens Business Bank |
| $350,000–1 million | ST. ANDREWS PRESBYTERIAN CHURCH | Newport Beach, CA | Citizens Business Bank |
| $350,000–1 million | ST. ANDREWS PRESBYTERIAN CHURCH OF NEWPORT BEACH, CA | NEWPORT BEACH, CA | Citizens Business Bank |
| $350,000–1 million | ST. BALDRICK'S FOUNDATION | Monrovia, CA | Citizens Business Bank |
| $150,000–350,000 | ST. FRANCIS XAVIER SCHOOL | BURBANK, CA | Citizens Business Bank |
| $350,000–1 million | ST. PAUL'S SCHOOL | VISALIA, CA | Citizens Business Bank |
| $350,000–1 million | ST.BALDRICK'S FOUNDATION, INC. | MONROVIA, CA | Citizens Business Bank |
| $150,000–350,000 | STACKED BG2 INC | Visalia, CA | Citizens Business Bank |
| $1–2 million | STAFF TODAY, INC | COVINA, CA | Citizens Business Bank |
| $150,000–350,000 | STAN'S DISCOUNT ROOTER AND PLUMBING REPAIR, INC | BAKERSFIELD, CA | Citizens Business Bank |
| $150,000–350,000 | STANDARD AERO PARTS INC. | Moorpark, CA | Citizens Business Bank |
| $150,000–350,000 | STANDARD AERO PARTS, INC. | MOORPARK, CA | Citizens Business Bank |
| $350,000–1 million | STANDARDVISION LLC | Los Angeles, CA | Citizens Business Bank |
| $350,000–1 million | STANDARDVISION LLC | LOS ANGELES, CA | Citizens Business Bank |
| $150,000–350,000 | STAR 1 MS INC. | Jurupa Valley, CA | Citizens Business Bank |
| $150,000–350,000 | STAR 1 MS, INC. | JURUPA VALLEY, CA | Citizens Business Bank |
| $150,000–350,000 | STAR KERN, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $350,000–1 million | STAR LINCOLN MERCURY SALES INC. | Glendale, CA | Citizens Business Bank |
| $350,000–1 million | STAR LINCOLN-MERCURY SALES, INC. | GLENDALE, CA | Citizens Business Bank |
| $1–2 million | STAR NAIL PRODUCTS INC | VALENCIA, CA | Citizens Business Bank |
| $150,000–350,000 | STAR SHIELD SOLUTIONS, LLC | ONTARIO, CA | Citizens Business Bank |
| $350,000–1 million | STARBOARD TACK SUPPLY, INC. | MONTEBELLO, CA | Citizens Business Bank |
| $350,000–1 million | STARGATE FILMS INC. | South Pasadena, CA | Citizens Business Bank |
| $350,000–1 million | STARGATE FILMS INC. | SOUTH PASADENA, CA | Citizens Business Bank |
| $350,000–1 million | STARSIDE SECURITY & INVESTIGATION, INC. | DIAMOND BAR, CA | Citizens Business Bank |
| $150,000–350,000 | STARTECHTEL.COM, INC | POMONA, CA | Citizens Business Bank |
| $350,000–1 million | STAYHEALTHY INC | Monrovia, CA | Citizens Business Bank |
| $350,000–1 million | STAYHEALTHY INCORPORATED | MONROVIA, CA | Citizens Business Bank |
| $350,000–1 million | STERIL-AIRE, INC. | BURBANK, CA | Citizens Business Bank |
| $150,000–350,000 | STEVENS CONSTRUCTION INC. | Lancaster, CA | Citizens Business Bank |
| $150,000–350,000 | STEVENS CONSTRUCTION, INC. | LANCASTER, CA | Citizens Business Bank |
| $350,000–1 million | STEVENSON RESTAURANTS, INC. | GLENDALE, CA | Citizens Business Bank |
| $150,000–350,000 | STOCKDALE VETERINARY HOSPITAL, INC. | BAKERSFIELD, CA | Citizens Business Bank |
| $150,000–350,000 | STODDARD'S RESTORATION SERVICES INC. | SANTA ANA, CA | Citizens Business Bank |
| $150,000–350,000 | STODDARDS RESTORATION SERVICES | Santa Ana, CA | Citizens Business Bank |
| $150,000–350,000 | STOKES BROS FARMS | LODI, CA | Citizens Business Bank |
| $350,000–1 million | STOLL METALCRAFT INC | Valencia, CA | Citizens Business Bank |
| $1–2 million | STOLL METALCRAFT INC. | VALENCIA, CA | Citizens Business Bank |
| $350,000–1 million | STONE LAND CO PARTNERSHIP | STRATFORD, CA | Citizens Business Bank |
| $350,000–1 million | STONE LAND COMPANY | STRATFORD, CA | Citizens Business Bank |
| $2–5 million | STORM MANAGEMENT, INC. | TORRANCE, CA | Citizens Business Bank |
| $150,000–350,000 | STOWELL LEARNING CENTER INC. | Chino, CA | Citizens Business Bank |
| $150,000–350,000 | STOWELL LEARNING CENTERS INC. | CHINO, CA | Citizens Business Bank |
| $350,000–1 million | STUDIO ART & TECHNOLOGY LLC | Sunland, CA | Citizens Business Bank |
| $350,000–1 million | STUDIO ART & TECHNOLOGY, LLC | SUNLAND, CA | Citizens Business Bank |
| $1–2 million | STUDIO CITY TM | NORTH HOLLYWOOD, CA | Citizens Business Bank |
| $150,000–350,000 | STUDIO GRAPHICS, LLC | SUNLAND, CA | Citizens Business Bank |
| $150,000–350,000 | STYROTEK, INC. | DELANO, CA | Citizens Business Bank |
| $350,000–1 million | SUGAR PINE CHRISTIAN CAMPS | Oakhurst, CA | Citizens Business Bank |
| $150,000–350,000 | SUGAR PINE CHRISTIAN CAMPS | Oakhurst, CA | Citizens Business Bank |
| $2–5 million | SULLIVANCURTISMONROE INSURANCE SERVICES, LLC | IRVINE, CA | Citizens Business Bank |
| $350,000–1 million | SUMMER OF 42 RESTAURANT ENTERPRISES | Fresno, CA | Citizens Business Bank |