| $150,000–350,000 | KESTREL GROWTH BRANDS, INC. | EUGENE, OR | Umpqua Bank |
| $350,000–1 million | KEYSTONE DOOR & BUILDING SUPPLY, INC | SACRAMENTO, CA | Umpqua Bank |
| $350,000–1 million | KEYSTONE PACIFIC MANAGEMENT INC. | SWEET HOME, OR | Umpqua Bank |
| $1–2 million | KFMW LLC | MARYSVILLE, WA | Umpqua Bank |
| $150,000–350,000 | KG CONCRETE LLC | TACOMA, WA | Umpqua Bank |
| $150,000–350,000 | KHONG GUAN CORPORATION | UNION CITY, CA | Umpqua Bank |
| $350,000–1 million | KICKY PANTS, INC | BAINBRIDGE ISLAND, WA | Umpqua Bank |
| $150,000–350,000 | KIDFOCUS LLC | CHATSWORTH, CA | Umpqua Bank |
| $150,000–350,000 | KINGSLEY DEVELOPMENT GROUP, INC | AUBURN, CA | Umpqua Bank |
| $350,000–1 million | KISTERS NORTH AMERICA INC. | ROSEVILLE, CA | Umpqua Bank |
| $2–5 million | KKW HOLDINGS, INC. | POMONA, CA | Umpqua Bank |
| $350,000–1 million | KLAMATH BASIN EQUIPMENT, INC. | KLAMATH FALLS, OR | Umpqua Bank |
| $350,000–1 million | KLAMATH OPHTHALMOLOGY, P.C. | KLAMATH FALLS, OR | Umpqua Bank |
| $150,000–350,000 | KLAMATH SMILES | KLAMATH FALLS, OR | Umpqua Bank |
| $150,000–350,000 | KLIMISCH'S, INC | VALLEJO, CA | Umpqua Bank |
| $350,000–1 million | KNIGHT CALABASAS LLC | CALABASAS, CA | Umpqua Bank |
| $150,000–350,000 | KNOW LABS, INC. | SEATTLE, WA | Umpqua Bank |
| $2–5 million | KOAM ENGINEERING SYSTEMS, INC. | SAN DIEGO, CA | Umpqua Bank |
| $150,000–350,000 | KODO INC | SAINT HELENA, CA | Umpqua Bank |
| $150,000–350,000 | KOHL, INC. | WILSONVILLE, OR | Umpqua Bank |
| $1–2 million | KOKATAT INC. | ARCATA, CA | Umpqua Bank |
| $350,000–1 million | KOLKAY ELECTRIC, INC. | ENUMCLAW, WA | Umpqua Bank |
| $350,000–1 million | KONOCTI VISTA CASINO & BINGO | LAKEPORT, CA | Umpqua Bank |
| $1–2 million | KOOL PAK LLC | LAKE OSWEGO, OR | Umpqua Bank |
| $1–2 million | KPD INSURANCE, INC. | SPRINGFIELD, OR | Umpqua Bank |
| $350,000–1 million | KRAM ENDEAVORS INC | ROSEVILLE, CA | Umpqua Bank |
| $150,000–350,000 | KROWDSOURCED INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | KRUSHWERKS, LLC | PASO ROBLES, CA | Umpqua Bank |
| $2–5 million | KUMAR MANAGEMENT, CORPORATION | FOSTER CITY, CA | Umpqua Bank |
| $2–5 million | KUMAR MANAGEMENT, CORPORATION SW | FOSTER CITY, CA | Umpqua Bank |
| $150,000–350,000 | KW ASSOCIATES LLC | ALBANY, OR | Umpqua Bank |
| $150,000–350,000 | KYNSI CONSTRUCTION INC. | CLATSKANIE, OR | Umpqua Bank |
| $150,000–350,000 | L. S. & D. LOGGING. | TILLAMOOK, OR | Umpqua Bank |
| $150,000–350,000 | LA MERDE CLOTHING INC | PORTLAND, OR | Umpqua Bank |
| $1–2 million | LA SALLE CATHOLIC COLLEGE PREPARTORY, INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | LAGLER DAIRY LLC | BRUSH PRAIRIE, WA | Umpqua Bank |
| $150,000–350,000 | LAGO INC | LAKE OSWEGO, OR | Umpqua Bank |
| $150,000–350,000 | LAKE FOREST BAR & GRILL LLC | LAKE FOREST PARK, WA | Umpqua Bank |
| $350,000–1 million | LAKE OF THE WOODS RESORT, LLC | KLAMATH FALLS, OR | Umpqua Bank |
| $350,000–1 million | LAKE PARTS, INC | LAKEPORT, CA | Umpqua Bank |
| $350,000–1 million | LAKE TAHOE SCHOOL | INCLINE VILLAGE, NV | Umpqua Bank |
| $150,000–350,000 | LAKE VIEW TRANSPORT INC | ROSEVILLE, CA | Umpqua Bank |
| $150,000–350,000 | LAMB AND MORRICE, A DENTAL CORPORATION | ANTIOCH, CA | Umpqua Bank |
| $2–5 million | LAMKONE RESTAURANTS, INC. | TUSTIN, CA | Umpqua Bank |
| $150,000–350,000 | LAN TEL SERVICES, INC. | EUGENE, OR | Umpqua Bank |
| $150,000–350,000 | LANCE E. WEST, DMD, MS, PC | MEDFORD, OR | Umpqua Bank |
| $150,000–350,000 | LANDD ENTERPRISES INC | GRANTS PASS, OR | Umpqua Bank |
| $1–2 million | LANDERHOLM, P.S. | VANCOUVER, WA | Umpqua Bank |
| $2–5 million | LANDMARK FORD, INC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | LANDSCAPE MANAGEMENT AND SERVICES INC. | VANCOUVER, WA | Umpqua Bank |
| $350,000–1 million | LANDSCAPE SPECIALISTS, INC. | IRVINE, CA | Umpqua Bank |
| $2–5 million | LANE FOREST PRODUCTS, INC. | EUGENE, OR | Umpqua Bank |
| $350,000–1 million | LAPCO BEER DISTRIBUTING, INC. | EUREKA, CA | Umpqua Bank |
| $350,000–1 million | LAPO, INC. | VANCOUVER, WA | Umpqua Bank |
| $150,000–350,000 | LAROSA LLC | BEND, OR | Umpqua Bank |
| $150,000–350,000 | LARRY KING ENTERPRISES, INC. | BEND, OR | Umpqua Bank |
| $150,000–350,000 | LARSEN WURZEL & ASSOCIATES, INC. | SACRAMENTO, CA | Umpqua Bank |
| $150,000–350,000 | LAUGHLIN ASSOCIATES, INC. | RENO, NV | Umpqua Bank |
| $150,000–350,000 | LAUGHLIN CARTRELL, INC. | CARLTON, OR | Umpqua Bank |
| $150,000–350,000 | LAUGHLIN TRUCKING, INC. | CARLTON, OR | Umpqua Bank |
| $150,000–350,000 | LAUNCHPAD CAREERS, INC. | IRVINE, CA | Umpqua Bank |
| $150,000–350,000 | LAUREL GRAPHICS & FABRICATION CO., INC. | KENT, WA | Umpqua Bank |
| $350,000–1 million | LAUREN YOUNG TIRE CENTER, INC. | ROSEBURG, OR | Umpqua Bank |
| $350,000–1 million | LAW & MEDIATION FIRM OF KLUECK & HOPPES, APC | LA MESA, CA | Umpqua Bank |
| $150,000–350,000 | LAW DAWGS INC | SEATTLE, WA | Umpqua Bank |
| $150,000–350,000 | LAWRY'S RESTAURANTS II, INC. | PASADENA, CA | Umpqua Bank |
| $350,000–1 million | LAWRY'S RESTAURANTS OF NEVADA, INC. | PASADENA, CA | Umpqua Bank |
| $350,000–1 million | LAWRY'S RESTAURANTS OF TEXAS, INC. | PASADENA, CA | Umpqua Bank |
| $2–5 million | LAWRY'S RESTAURANTS, INC. | PASADENA, CA | Umpqua Bank |
| $350,000–1 million | LAWRY'S THE PRIME RIB, INC. | PASADENA, CA | Umpqua Bank |
| $1–2 million | LB PROPERTY MANAGEMENT, INC. | SHERMAN OAKS, CA | Umpqua Bank |
| $150,000–350,000 | LDB BEVERAGE COMPANY | STEVENSON, WA | Umpqua Bank |
| $350,000–1 million | LEFF CONSTRUCTION & DEVELOPMENT CORPORATION | SEBASTOPOL, CA | Umpqua Bank |
| $350,000–1 million | LEK ENTERPRISES, INC | RANCHO CORDOVA, CA | Umpqua Bank |
| $350,000–1 million | LENITY MANAGEMENT, LLC | JACKSONVILLE, OR | Umpqua Bank |
| $350,000–1 million | LEOS WELDING AND FABRICATION LLC | EVERETT, WA | Umpqua Bank |
| $350,000–1 million | LES BOULANGERS ASSOCIES, INC. | SEATAC, WA | Umpqua Bank |
| $150,000–350,000 | LESLIE A CARTER MD LLC | BEND, OR | Umpqua Bank |
| $150,000–350,000 | LEXI DOG, INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | LIFE OF PIE LLC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | LIFESTYLE HOMES, INC. | RENO, NV | Umpqua Bank |
| $350,000–1 million | LIFESTYLE SOLUTIONS, INC. | NEWARK, CA | Umpqua Bank |
| $2–5 million | LIFEWAYS, INC. | ONTARIO, OR | Umpqua Bank |
| $350,000–1 million | LIGHTEL TECHNOLOGIES INC | RENTON, WA | Umpqua Bank |
| $150,000–350,000 | LIGHTWORKS ELECTRIC COMPANY | TUALATIN, OR | Umpqua Bank |
| $2–5 million | LILE INTERNATIONAL COMPANIES | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | LIME ROCK, LLC | MEDFORD, OR | Umpqua Bank |
| $1–2 million | LIND MARINE INCORPORATED | PETALUMA, CA | Umpqua Bank |
| $350,000–1 million | LINESCAPE LLC | TUALATIN, OR | Umpqua Bank |
| $350,000–1 million | LINESCAPE OF WASHINGTON LLC | TUALATIN, OR | Umpqua Bank |
| $150,000–350,000 | LINK DESIGN GROUP LLC | KIRKLAND, WA | Umpqua Bank |
| $350,000–1 million | LINN BENTON TRACTOR COMPANY | TANGENT, OR | Umpqua Bank |
| $150,000–350,000 | LIQUID MEASURE, INC | WILSONVILLE, OR | Umpqua Bank |
| $350,000–1 million | LISTEN AND TALK | SEATTLE, WA | Umpqua Bank |
| $150,000–350,000 | LITTLE SCHOOL HOUSE, INC. | WINDSOR, CA | Umpqua Bank |
| $150,000–350,000 | LIVING CONCEPTS LANDSCAPE SERVICES, INC. | EUGENE, OR | Umpqua Bank |
| $350,000–1 million | LIXIOY OR INC | VANCOUVER, WA | Umpqua Bank |
| $2–5 million | LODESTONE PACIFIC HOLDING COMPANY, INC. | ARCATA, CA | Umpqua Bank |
| $350,000–1 million | LOMAKATSI RESTORATION PROJECT | ASHLAND, OR | Umpqua Bank |
| $150,000–350,000 | LOMO COLD STORAGE, LLC | LIVE OAK, CA | Umpqua Bank |