| $350,000–1 million | COPPER RIVER RENTALS LLC | ANCHORAGE, AK | Umpqua Bank |
| $2–5 million | COQUILLE VALLEY HOSPITAL DISTRICT | COQUILLE, OR | Umpqua Bank |
| $150,000–350,000 | COQUINE, LLC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | CORDAY LIGHTING INC. | SANTA ROSA, CA | Umpqua Bank |
| $1–2 million | CORE BUTTE, INC. | CHICO, CA | Umpqua Bank |
| $150,000–350,000 | CORISON WINERY, INC. | Saint Helena, CA | Umpqua Bank |
| $150,000–350,000 | CORISON WINERY, INC. | SAINT HELENA, CA | Umpqua Bank |
| $150,000–350,000 | CORMARK INC | Portland, OR | Umpqua Bank |
| $150,000–350,000 | CORMARK INC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | CORNELIUS VETERINARY CLINIC PC | CORNELIUS, OR | Umpqua Bank |
| $150,000–350,000 | CORNER DRUG CO INC | WOODLAND, CA | Umpqua Bank |
| $350,000–1 million | CORNERSTONE CHRISTIAN ACADEMY FOR LEARNING & LEADERSHIP | VANCOUVER, WA | Umpqua Bank |
| $350,000–1 million | CORNERSTONE CHRISTIAN ACADEMY FOR LEARNING AND LEADERSHIP | Vancouver, WA | Umpqua Bank |
| $350,000–1 million | CORNERSTONE CHRISTIAN CENTER OF THE ASSEMBLIES OF GOD | ANTIOCH, CA | Umpqua Bank |
| $350,000–1 million | CORNERSTONE CHRISTIAN CENTER OF THE ASSEMBLIES OF GOD | Antioch, CA | Umpqua Bank |
| $150,000–350,000 | CORNERSTONE DENTISTRY, LLC | LA GRANDE, OR | Umpqua Bank |
| $1–2 million | CORONADO BREWING COMPANY INC | Coronado, CA | Umpqua Bank |
| $1–2 million | CORONADO BREWING COMPANY, INC | CORONADO, CA | Umpqua Bank |
| $350,000–1 million | CORPORATE FINANCIAL SOLUTIONS LLC | Boring, OR | Umpqua Bank |
| $150,000–350,000 | CORPORATE FINANCIAL SOLUTIONS LLC | BORING, OR | Umpqua Bank |
| $350,000–1 million | CORRQUEST AUTOMATION INC. | Albany, OR | Umpqua Bank |
| $350,000–1 million | CORTINA HULLING AND SHELLING LLC | WILLIAMS, CA | Umpqua Bank |
| $350,000–1 million | CORVALLIS FAMILY MEDICINE, P. C. | CORVALLIS, OR | Umpqua Bank |
| $350,000–1 million | CORVALLIS NEIGHBORHOOD HOUSING SERVICES, INC. | SPRINGFIELD, OR | Umpqua Bank |
| $350,000–1 million | COSMETIC SURGERY AND DERMATOLOGY OF ISSAQUAH INC | ISSAQUAH, WA | Umpqua Bank |
| $350,000–1 million | COST LESS AUTO PARTS INC | VANCOUVER, WA | Umpqua Bank |
| $150,000–350,000 | COSTA ORO INTERNATIONAL LLC | Portland, OR | Umpqua Bank |
| $150,000–350,000 | COUCO CREEK DAIRY INC. | Turlock, CA | Umpqua Bank |
| $150,000–350,000 | COUCO CREEK DAIRY, INC. | TURLOCK, CA | Umpqua Bank |
| $150,000–350,000 | COUNTRY MEADOW VILLAGE, INC | AUBURN, WA | Umpqua Bank |
| $150,000–350,000 | COUNTRYSIDE NURSERY INC. | AURORA, OR | Umpqua Bank |
| $150,000–350,000 | COURIER DIRECT, INC | TUALATIN, OR | Umpqua Bank |
| $350,000–1 million | COURIER PUBLISHING COMPANY | GRANTS PASS, OR | Umpqua Bank |
| $350,000–1 million | COURIER PUBLISHING COMPANY | Grants Pass, OR | Umpqua Bank |
| $350,000–1 million | COURTNEY FAMILY ENTERPRISES, INC. | GRESHAM, OR | Umpqua Bank |
| $150,000–350,000 | COURY RESTAURANTS, INC. | KENT, WA | Umpqua Bank |
| $350,000–1 million | COVENANT TECHNOLOGY SOLUTIONS INC. | Gladstone, OR | Umpqua Bank |
| $350,000–1 million | COVENANT TECHNOLOGY SOLUTIONS, INC. | GLADSTONE, OR | Umpqua Bank |
| $150,000–350,000 | COVICH-WILLIAMS CO. INC | Seattle, WA | Umpqua Bank |
| $150,000–350,000 | COWLITZ COUNTY TITLE COMPANY | LONGVIEW, WA | Umpqua Bank |
| $150,000–350,000 | COX ELECTRIC INC | Salem, OR | Umpqua Bank |
| $1–2 million | COYOTE VALLEY ENTERTAINMENT ENTERPRISES | REDWOOD VALLEY, CA | Umpqua Bank |
| $1–2 million | COYOTE VALLEY ENTERTAINMENT ENTERPRISES | Redwood Valley, CA | Umpqua Bank |
| $150,000–350,000 | CPG MARKETING, LLC | HAPPY VALLEY, OR | Umpqua Bank |
| $150,000–350,000 | CR CONSTRUCTION LLC | North Bend, WA | Umpqua Bank |
| $350,000–1 million | CR CONSTRUCTION, LLC | NORTH BEND, WA | Umpqua Bank |
| $350,000–1 million | CR EXCELLENCE | Seattle, WA | Umpqua Bank |
| $150,000–350,000 | CR EXCELLENCE INC. | Seattle, WA | Umpqua Bank |
| $150,000–350,000 | CR LANDSCAPING LLC | Olympia, WA | Umpqua Bank |
| $150,000–350,000 | CRAFTSMAN DESIGN & RENOVATION, LLC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | CRAFTSMAN DESIGN AND RENOVATION | Portland, OR | Umpqua Bank |
| $150,000–350,000 | CRAIG MCLAUGHLIN FAMILY TRUST | FOX ISLAND, WA | Umpqua Bank |
| $350,000–1 million | CRAIN MARKETING INC. | Los Molinos, CA | Umpqua Bank |
| $150,000–350,000 | CRAIN MARKETING, INC. | LOS MOLINOS, CA | Umpqua Bank |
| $150,000–350,000 | CRB MANUFACTURING INC | Clackamas, OR | Umpqua Bank |
| $150,000–350,000 | CRB MANUFACTURING INC | Clackamas, OR | Umpqua Bank |
| $350,000–1 million | CREAMS DISMANTLING AND SCRAP INC | Santa Rosa, CA | Umpqua Bank |
| $350,000–1 million | CREAMS DISMANTLING AND SCRAP INC | SANTA ROSA, CA | Umpqua Bank |
| $150,000–350,000 | CREATIVE CONTRACTING OF CALIFORNIA, INC. | RICHMOND, CA | Umpqua Bank |
| $150,000–350,000 | CREATIVE COVERINGS | SPARKS, NV | Umpqua Bank |
| $150,000–350,000 | CREATIVE COVERINGS | Sparks, NV | Umpqua Bank |
| $350,000–1 million | CREDIT BUREAU OF NAPA COUNTY INC. | Fairfield, NJ | Umpqua Bank |
| $350,000–1 million | CREDIT BUREAU OF NAPA COUNTY, INC. | FAIRFIELD, NJ | Umpqua Bank |
| $350,000–1 million | CREDIT CONCEPTS, INC. | EUGENE, OR | Umpqua Bank |
| $150,000–350,000 | CRESTMARK ARCHITECTURAL MILLWORKS, INC. | ARCATA, CA | Umpqua Bank |
| $350,000–1 million | CRESTVIEW OPERATIONS, LLC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | CRESTWAY PARK DENTAL PA | Athens, TX | Umpqua Bank |
| $150,000–350,000 | CRESTWAY PARK DENTAL PA | ATHENS, TX | Umpqua Bank |
| $150,000–350,000 | CRH CHANDLER HOUSE LLC | BEND, OR | Umpqua Bank |
| $150,000–350,000 | CRH CHANDLER HOUSE LLC | Bend, OR | Umpqua Bank |
| $150,000–350,000 | CRH CHRISTOPHER HOUSE LLC | WENATCHEE, WA | Umpqua Bank |
| $350,000–1 million | CRH PETERS CREEK LLC | REDMOND, WA | Umpqua Bank |
| $350,000–1 million | CRH PETERS CREEK LLC | Redmond, WA | Umpqua Bank |
| $150,000–350,000 | CRISCIONE FAMILY DENTISTRY P.C. | Lake Oswego, OR | Umpqua Bank |
| $150,000–350,000 | CRISCIONE FAMILY DENTISTRY PC | LAKE OSWEGO, OR | Umpqua Bank |
| $350,000–1 million | CRISTO REY DE LA SALLE EAST BAY HIGH SCHOOL | Oakland, CA | Umpqua Bank |
| $150,000–350,000 | CRISTO REY DE LA SALLE EAST BAY HIGH SCHOOL, INC | OAKLAND, CA | Umpqua Bank |
| $350,000–1 million | CRM PHYSICIANS LLC | Portland, OR | Umpqua Bank |
| $350,000–1 million | CRM PHYSICIANS LLC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | CROSS BROTHERS INC. | Eugene, OR | Umpqua Bank |
| $150,000–350,000 | CROSS BROTHERS INC. | EUGENE, OR | Umpqua Bank |
| $350,000–1 million | CROSS POINT NW LLC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | CROSS POINT NW LLC | Portland, OR | Umpqua Bank |
| $1–2 million | CROSSROADS DIVERSIFIED SERVICES | SACRAMENTO, CA | Umpqua Bank |
| $150,000–350,000 | CROSSROADS FACILITY SERVICES, INC. | SACRAMENTO, CA | Umpqua Bank |
| $350,000–1 million | CROWN FIRE SYSTEMS INC | Portland, OR | Umpqua Bank |
| $150,000–350,000 | CROWN PROPERTY MANAGEMENT, LLC | KENNEWICK, WA | Umpqua Bank |
| $150,000–350,000 | CRYPTO BLOCKCHAIN PLUG INC. | Inglewood, CA | Umpqua Bank |
| $150,000–350,000 | CRYPTO BLOCKCHAIN PLUG INC. | INGLEWOOD, CA | Umpqua Bank |
| $150,000–350,000 | CS DEVELOPMENTS, INC. | NAPA, CA | Umpqua Bank |
| $350,000–1 million | CSA ROOFING, HEATING & AIR, INC. | NAPA, CA | Umpqua Bank |
| $150,000–350,000 | CSC IVY, LLC | CORONA, CA | Umpqua Bank |
| $1–2 million | CSHQA, INC. | BOISE, ID | Umpqua Bank |
| $150,000–350,000 | CSO FINANCIAL INC | Roseburg, OR | Umpqua Bank |
| $150,000–350,000 | CSO FINANCIAL, INC | ROSEBURG, OR | Umpqua Bank |
| $350,000–1 million | CTR ASSOCIATES INC | Salem, OR | Umpqua Bank |
| $350,000–1 million | CTR ASSOCIATES INC | SALEM, OR | Umpqua Bank |
| $150,000–350,000 | CTS INC | Sweet Home, OR | Umpqua Bank |
| $150,000–350,000 | CUDAHY LUMBER COMPANY | HILLSBORO, OR | Umpqua Bank |
| $150,000–350,000 | CUENCA & ASSOCIATES INSURANCE AGENCY, INC. | REDDING, CA | Umpqua Bank |