| $350,000–1 million | 10 FOLD COMMUNICATIONS, INC. | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $150,000–350,000 | ABRAHAM SENIOR WELLNESS HOMES, INC | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $350,000–1 million | ADVANCED MOBILITY GROUP | WALNUT CREEK, CA | First Republic Bank |
| $150,000–350,000 | ADVANCED SOFTWARE DESIGN INC. (ASD GLOBAL) | WALNUT CREEK, CA | Citibank, N.A. |
| $350,000–1 million | ADVANCED TI INC | WALNUT CREEK, CA | Bank of America, National Association |
| $150,000–350,000 | ADVISOR PARTNERS LLC | WALNUT CREEK, CA | First Republic Bank |
| $2–5 million | ALAMEDA MORTGAGE CORPORATION | WALNUT CREEK, CA | Fremont Bank |
| $350,000–1 million | ALAMO CAPITAL | WALNUT CREEK, CA | U.S. Bank, National Association |
| $350,000–1 million | ALCHERA INCORPORATED | WALNUT CREEK, CA | Mechanics Bank |
| $350,000–1 million | ALIQUOT ASSOCIATES, INC | WALNUT CREEK, CA | Mechanics Bank |
| $2–5 million | ALISTO ENGINEERING GROUP, INC. | WALNUT CREEK, CA | U.S. Bank, National Association |
| $5–10 million | ALL ENVIRONMENTAL, INC. | WALNUT CREEK, CA | Bank of America, National Association |
| $1–2 million | ALLERGY & ASTHMA MEDICAL GROUP OF THE BAY AREA, INC. | WALNUT CREEK, CA | Bank of San Francisco |
| $150,000–350,000 | ALLIANCE OF CHIEF EXECUTIVES, LLC | WALNUT CREEK, CA | Bank of the West |
| $150,000–350,000 | ALLIED DEMOLITION SERVICES INC. | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $350,000–1 million | AMERICAN MECHANICAL, INC. | WALNUT CREEK, CA | Mechanics Bank |
| $150,000–350,000 | AMERICAN PSYCHIATRIC CENTERS | WALNUT CREEK, CA | Mechanics Bank |
| $150,000–350,000 | AMIT WADHWA & ASSOCIATES | WALNUT CREEK, CA | Cross River Bank |
| $150,000–350,000 | AMS ASSOCIATIONS INC. | WALNUT CREEK, CA | Community Bank of the Bay |
| $350,000–1 million | ANDERSON & MARTELLA INC | WALNUT CREEK, CA | Readycap Lending, LLC |
| $350,000–1 million | ANGIUS AND TERRY, LLP | WALNUT CREEK, CA | City National Bank |
| $150,000–350,000 | ARIAN & DARIAN COMPANY | WALNUT CREEK, CA | Bank of America, National Association |
| $350,000–1 million | ASSAL CORPORATION | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $350,000–1 million | ATLANTIC & PACIFIC BUILD GROUP LLC | WALNUT CREEK, CA | First Republic Bank |
| $350,000–1 million | AXIOM GLOBAL TECHNOLOGIES, INC. DBA AXIOM CONSULTING GROUP | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $1–2 million | BARCELON ASSOCIATES MANAGEMENT CORP. | WALNUT CREEK, CA | Umpqua Bank |
| $350,000–1 million | BAY AREA GOLD STANDARD MANAGEMENT, INC. | WALNUT CREEK, CA | T Bank, National Association |
| $1–2 million | BAY AREA PROPERTY SERVICES | WALNUT CREEK, CA | Customers Bank |
| $350,000–1 million | BAY AREA RETINA ASSOCIATES MEDICAL GROUP | WALNUT CREEK, CA | Bank of America, National Association |
| $150,000–350,000 | BAY COMPUTING GROUP, INC. | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $2–5 million | BAY IMAGING CONSULTANTS MEDICAL GROUP, INC. | WALNUT CREEK, CA | City National Bank |
| $2–5 million | BAY MEDICAL MANAGEMENT, LLC | WALNUT CREEK, CA | City National Bank |
| $150,000–350,000 | BDB STUDIO LLC | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $350,000–1 million | BDS PLUMBING INC | WALNUT CREEK, CA | Bank of America, National Association |
| $350,000–1 million | BEERE & PURVES INC. | WALNUT CREEK, CA | Readycap Lending, LLC |
| $150,000–350,000 | BEHAVIOR TREATMENT & ANALYSIS | WALNUT CREEK, CA | Bank of America, National Association |
| $5–10 million | BELL-CARTER FOODS, LLC | WALNUT CREEK, CA | BMO Harris Bank National Association |
| $150,000–350,000 | BENEFICIUM LLC | WALNUT CREEK, CA | Bank of Houston, National Association |
| $1–2 million | BERDING & WEIL LLP | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $150,000–350,000 | BERKELEY DESIGN TECHNOLOGY, INC. | WALNUT CREEK, CA | First Republic Bank |
| $150,000–350,000 | BETTER DAYS PROVIDER | WALNUT CREEK, CA | Wells Fargo Bank, National Association |
| $150,000–350,000 | BHLF LLP | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | BHWC LLC | WALNUT CREEK, CA | WebBank |
| $350,000–1 million | BI BETT CORP | WALNUT CREEK, CA | Bank of America, National Association |
| $150,000–350,000 | BIG C ATHLETIC CLUB, LLC | WALNUT CREEK, CA | Mortgage Capital Development Corporation |
| $150,000–350,000 | BILL A. DUFFY, INC. | WALNUT CREEK, CA | Newtek Small Business Finance, Inc. |
| $150,000–350,000 | BLACKSTONE DEVELOPMENT INC | WALNUT CREEK, CA | Wells Fargo Bank, National Association |
| $150,000–350,000 | BLUEPRINT CONSTRUCTION SERVICES, LLC | WALNUT CREEK, CA | Redwood CU |
| $150,000–350,000 | BOHANNAN CONCRETE | WALNUT CREEK, CA | Bank of America, National Association |
| $150,000–350,000 | BOLD POLISNER MADDOW NELSON AND JUDSON, A PROFESSIONAL CORPORATION | WALNUT CREEK, CA | Citibank, N.A. |
| $350,000–1 million | BOLLINGER NAIL SPA INC | WALNUT CREEK, CA | Bank of America, National Association |
| $150,000–350,000 | BONE ROBERTSON AND MCBRIDE INC | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $350,000–1 million | BOWLES & VERNA LLP | WALNUT CREEK, CA | First Republic Bank |
| $150,000–350,000 | BR ENTERPRISES | WALNUT CREEK, CA | Customers Bank |
| $150,000–350,000 | BRAZIL ELECTRIC INC | WALNUT CREEK, CA | U.S. Bank, National Association |
| $150,000–350,000 | BRET D. ANNONI DDS | WALNUT CREEK, CA | Live Oak Banking Company |
| $150,000–350,000 | BRIAN J HOCKEL DDS | WALNUT CREEK, CA | Wells Fargo Bank, National Association |
| $350,000–1 million | BRIDGE - TRADITIONS LLC | WALNUT CREEK, CA | Idaho First Bank |
| $1–2 million | BRIDGE-BROOKSIDE LLC | WALNUT CREEK, CA | BMO Harris Bank National Association |
| $350,000–1 million | BRIGHT APPS LLC | WALNUT CREEK, CA | Wells Fargo Bank, National Association |
| $150,000–350,000 | BROOKS MOTOR CARS OF WALNUT CREEK, INC. | WALNUT CREEK, CA | Centerstone SBA Lending, Inc. |
| $1–2 million | BROSAMER & WALL, INC | WALNUT CREEK, CA | Mechanics Bank |
| $1–2 million | BROSAMER & WALL, LLC | WALNUT CREEK, CA | Mechanics Bank |
| $350,000–1 million | BROTHERS SMITH LLP | WALNUT CREEK, CA | City National Bank |
| $350,000–1 million | BROWMAN DEVELOPMENT COMPANY INC | WALNUT CREEK, CA | Zions Bank, A Division of |
| $350,000–1 million | BROWN GEE & WENGER LLP | WALNUT CREEK, CA | California Bank of Commerce |
| $150,000–350,000 | BUCK STOVE & FAN CENTER OF WALNUT CREEK INC | WALNUT CREEK, CA | Cross River Bank |
| $150,000–350,000 | BUCKLEY PATCHEN, AN ACCOUNTANCY CORPORATION | WALNUT CREEK, CA | Mechanics Bank |
| $150,000–350,000 | BUCKSTOVE&FANCENTER OF WALNUT CREEKINC | WALNUT CREEK, CA | Wells Fargo Bank, National Association |
| $350,000–1 million | BUILDING CONNECTIONS BEHAVIORAL HEALTH, INC. | WALNUT CREEK, CA | Cross River Bank |
| $150,000–350,000 | BURTON ENRIGHT WELCH | WALNUT CREEK, CA | Tri Counties Bank |
| $150,000–350,000 | BUSCH ELECTRIC, INC. | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | BUTTERCUP GRILL, INC. | WALNUT CREEK, CA | Summit Bank |
| $150,000–350,000 | BYTECODE IO, INC. | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | CAD MASTERS, INC. | WALNUT CREEK, CA | U.S. Bank, National Association |
| $350,000–1 million | CAL ENGINEERING & GEOLOGY, INC | WALNUT CREEK, CA | Bank of the West |
| $150,000–350,000 | CALICRAFT, LLC | WALNUT CREEK, CA | Mortgage Capital Development Corporation |
| $150,000–350,000 | CALIFORNIA RETIREMENT PLANS, INC. | WALNUT CREEK, CA | Bank of the West |
| $150,000–350,000 | CALIFORNIA SYMPHONY ORCHESTRA | WALNUT CREEK, CA | Mechanics Bank |
| $350,000–1 million | CAMBAY GROUP MANAGEMENT, LLC. | WALNUT CREEK, CA | Oak Valley Community Bank |
| $150,000–350,000 | CANCER SUPPORT COMMUNITY SAN FRANCISCO BAY AREA | WALNUT CREEK, CA | California Bank of Commerce |
| $150,000–350,000 | CAPITAL ATHLETIC CLUB, INC. | WALNUT CREEK, CA | Mortgage Capital Development Corporation |
| $150,000–350,000 | CARNELIAN ASSISTED LIVING, LLC | WALNUT CREEK, CA | Exchange Bank |
| $350,000–1 million | CASWELL BAY INC | WALNUT CREEK, CA | First Republic Bank |
| $150,000–350,000 | CAVEMAN FOODS LLC | WALNUT CREEK, CA | California Bank of Commerce |
| $150,000–350,000 | CENTRICITY SOLUTIONS INC | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $350,000–1 million | CHANGES SALON AND DAY SPA, INC. | WALNUT CREEK, CA | Mechanics Bank |
| $350,000–1 million | CHARTHOUSE PUBLIC SCHOOLS | WALNUT CREEK, CA | immito, LLC |
| $150,000–350,000 | CHRISTIAN CARE CONCEPT, LLC | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | CHRISTINE LEE MD A PROF CORP | WALNUT CREEK, CA | WebBank |
| $150,000–350,000 | COFFEE SHOP GP LLC | WALNUT CREEK, CA | Northeast Bank |
| $150,000–350,000 | COMMUNITY YOUTH CENTER | WALNUT CREEK, CA | Mortgage Capital Development Corporation |
| $150,000–350,000 | COMPASS GROUP PARTNERS, LLC | WALNUT CREEK, CA | JPMorgan Chase Bank, National Association |
| $350,000–1 million | COMPREHENSIVE PSYCHIATRIC SERVICES | WALNUT CREEK, CA | Mechanics Bank |
| $150,000–350,000 | COMPUTER USING EDUCATORS INC. | WALNUT CREEK, CA | Mortgage Capital Development Corporation |
| $1–2 million | COMPUTERS AND STRUCTURES INC | WALNUT CREEK, CA | Bank of America, National Association |
| $350,000–1 million | COMYNS, SMITH, MCCLEARY & DEAVER LLP | WALNUT CREEK, CA | Heritage Bank of Commerce |
| $150,000–350,000 | CONDOMINIUM FINANCIAL MANAGEMENT INC. | WALNUT CREEK, CA | Customers Bank |
| $150,000–350,000 | CONGREGATION B'NAI SHALOM OF CONTRA COSTA COUNTY | WALNUT CREEK, CA | California Bank of Commerce |
| $350,000–1 million | CONTRA COSTA ASSOCIATION OF REALTORS | WALNUT CREEK, CA | Bank of America, National Association |