| $150,000–350,000 | WAECHTER ARCHITECTURE LLC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | WAECHTER ARCHITECTURE LLC | Portland, OR | Umpqua Bank |
| $150,000–350,000 | WAGONER GROUP LLC | GRESHAM, OR | Umpqua Bank |
| $350,000–1 million | WAHLUND CONSTRUCTION, INC. | EUREKA, CA | Umpqua Bank |
| $350,000–1 million | WAITER.COM INC. | Sunnyvale, CA | Umpqua Bank |
| $1–2 million | WAITER.COM, INC. | SUNNYVALE, CA | Umpqua Bank |
| $150,000–350,000 | WALDMAN MANAGEMENT GROUP INC. | Richmond, CA | Umpqua Bank |
| $150,000–350,000 | WALDMAN MANAGEMENT GROUP, INC. | RICHMOND, CA | Umpqua Bank |
| $150,000–350,000 | WALKER FORD TRACTOR CO. | EUGENE, OR | Umpqua Bank |
| $150,000–350,000 | WALKER SUPPORT SERVICES INC. | SALEM, OR | Umpqua Bank |
| $150,000–350,000 | WALKER SUPPORT SERVICES INC. | Salem, OR | Umpqua Bank |
| $2–5 million | WALKER TELECOMM INC. | Wheatland, CA | Umpqua Bank |
| $1–2 million | WALKER TELECOMM, INC. | WHEATLAND, CA | Umpqua Bank |
| $1–2 million | WALLA WALLA NURSERY COMPANY, INC. | WALLA WALLA, WA | Umpqua Bank |
| $350,000–1 million | WALSTEAD MERTSCHING, P.S. | LONGVIEW, WA | Umpqua Bank |
| $350,000–1 million | WALTER WELLS & SONS LLC | Hood River, OR | Umpqua Bank |
| $1–2 million | WALTHEW, THOMPSON, KINDRED, COSTELLO, WINEMILLER & COOK PS | SEATTLE, WA | Umpqua Bank |
| $150,000–350,000 | WAPATO POINT CELLARS | MANSON, WA | Umpqua Bank |
| $150,000–350,000 | WAPATO POINT CELLARS LLC | Chelan, WA | Umpqua Bank |
| $350,000–1 million | WARDS MASONRY, INC. | EVERETT, WA | Umpqua Bank |
| $350,000–1 million | WARDS' MASONRY INC. | Everett, WA | Umpqua Bank |
| $150,000–350,000 | WARM CORPORATION WEST | NAPA, CA | Umpqua Bank |
| $1–2 million | WARM SPRINGS CASINO ENTERPRISES | Madras, OR | Umpqua Bank |
| $150,000–350,000 | WARRIOR INC | TUALATIN, OR | Umpqua Bank |
| $150,000–350,000 | WARTER'S RESTAURANT INC. | Tacoma, WA | Umpqua Bank |
| $150,000–350,000 | WARTERS RESTAURANT INC | TACOMA, WA | Umpqua Bank |
| $350,000–1 million | WASHINGTON FARM CONTRACTOR LLC | Pasco, WA | Umpqua Bank |
| $350,000–1 million | WASHINGTON FLORAL SERVICE INC | TACOMA, WA | Umpqua Bank |
| $150,000–350,000 | WASHINGTON HARDWOODS AND ARCHITECTURAL PRODUCTS INC. | Winlock, WA | Umpqua Bank |
| $150,000–350,000 | WASHINGTON HARDWOODS AND ARCHITECTURAL PRODUCTS, INC. | WINLOCK, WA | Umpqua Bank |
| $150,000–350,000 | WASHINGTON MARBLE WORKS INC. | Sumner, WA | Umpqua Bank |
| $150,000–350,000 | WASHINGTON MARBLE WORKS, INC. | Sumner, WA | Umpqua Bank |
| $1–2 million | WASHINGTON ORTHOPAEDIC CENTER, INC., P.S | Centralia, WA | Umpqua Bank |
| $350,000–1 million | WASHINGTON VOCATIONAL SERVICES | EVERETT, WA | Umpqua Bank |
| $350,000–1 million | WASHINGTON VOCATIONAL SERVICES | Everett, WA | Umpqua Bank |
| $150,000–350,000 | WASSON MEMORIAL VETERINARY CLINIC | LAKEPORT, CA | Umpqua Bank |
| $150,000–350,000 | WASTE EQUIPMENT SALES & SERVICE INC | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | WATCHWORKS INC. | Portland, OR | Umpqua Bank |
| $150,000–350,000 | WATER AVENUE COFFEE, LLC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | WATERFALL CLINIC, INC. | NORTH BEND, OR | Umpqua Bank |
| $1–2 million | WATERFORD OPERATIONS, LLC | MEDFORD, OR | Umpqua Bank |
| $350,000–1 million | WATERHOUSE RIDGE MEMORY CARE LLC | BEAVERTON, OR | Umpqua Bank |
| $150,000–350,000 | WATERWAYS CONSULTING INC. | Santa Cruz, CA | Umpqua Bank |
| $150,000–350,000 | WATERWAYS CONSULTING, INC. | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | WATERWORKS AQUATICS SAN JOSE | San Jose, CA | Umpqua Bank |
| $350,000–1 million | WATERWORKS AQUATICS SAN JOSE | IRVINE, CA | Umpqua Bank |
| $150,000–350,000 | WATSON SECURITY GROUP, INC. | SEATTLE, WA | Umpqua Bank |
| $350,000–1 million | WAVE-FORM SYSTEMS, INCORPORATE | TUALATIN, OR | Umpqua Bank |
| $150,000–350,000 | WAYNE GODARE | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | WBR HOLDINGS, INC. | Bainbridge Island, WA | Umpqua Bank |
| $350,000–1 million | WCP ENVELOPE LLC | KENT, WA | Umpqua Bank |
| $150,000–350,000 | WCS | PINOLE, CA | Umpqua Bank |
| $350,000–1 million | WCT MARINE AND CONSTRUCTION, INC. | Astoria, OR | Umpqua Bank |
| $150,000–350,000 | WDI CO. OF OREGON, INC. | Portland, OR | Umpqua Bank |
| $150,000–350,000 | WDI CO. OF OREGON, INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | WE COLLECT INC | VANCOUVER, WA | Umpqua Bank |
| $150,000–350,000 | WE COLLECT INC | Vancouver, WA | Umpqua Bank |
| $1–2 million | WEDCO, INC. | RENO, NV | Umpqua Bank |
| $150,000–350,000 | WEEKS' HAVEN OF REST, LLC | GIG HARBOR, WA | Umpqua Bank |
| $150,000–350,000 | WEIR'S INVESTMENT, INC. | TACOMA, WA | Umpqua Bank |
| $150,000–350,000 | WELLER ASSOCIATES, INC. | LAKE OSWEGO, OR | Umpqua Bank |
| $350,000–1 million | WELLS CONSTRUCTION INC. | Roseville, CA | Umpqua Bank |
| $1–2 million | WELLS CONSTRUCTION, INC. | ROSEVILLE, CA | Umpqua Bank |
| $150,000–350,000 | WENDY B CRISAFULLI DDS PS | Bothell, WA | Umpqua Bank |
| $350,000–1 million | WESCRAFT INC | Fife, WA | Umpqua Bank |
| $350,000–1 million | WESCRAFT RV | Tacoma, WA | Umpqua Bank |
| $350,000–1 million | WESERN PHYSICAL THERAPY, INC. | REDDING, CA | Umpqua Bank |
| $5–10 million | WESLEY HOMES | Kent, WA | Umpqua Bank |
| $1–2 million | WESPAK INC | DINUBA, CA | Umpqua Bank |
| $350,000–1 million | WEST COAST EVENT PRODUCTIONS | Portland, OR | Umpqua Bank |
| $350,000–1 million | WEST COAST METALS, INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | WEST COAST PROPERTY MANAGEMENT, LLC | Milpitas, CA | Umpqua Bank |
| $150,000–350,000 | WEST COAST PROPERTY MANAGEMENT, LLC | MILPITAS, CA | Umpqua Bank |
| $150,000–350,000 | WEST COAST SEED MILL SUPPLY CO. | Salem, OR | Umpqua Bank |
| $150,000–350,000 | WEST COAST SEED MILL SUPPLY CO. | SALEM, OR | Umpqua Bank |
| $350,000–1 million | WEST CONCRETE INC | SACRAMENTO, CA | Umpqua Bank |
| $150,000–350,000 | WEST EUGENE ANIMAL HOSPITAL, PC | EUGENE, OR | Umpqua Bank |
| $1–2 million | WEST ONE AUTOMOTIVE GROUP INC | Kennewick, WA | Umpqua Bank |
| $1–2 million | WEST ONE AUTOMOTIVE GROUP INC. | KENNEWICK, WA | Umpqua Bank |
| $150,000–350,000 | WEST PACK INC | KELLOGG, ID | Umpqua Bank |
| $350,000–1 million | WEST RV, INC. | RENO, NV | Umpqua Bank |
| $350,000–1 million | WEST SIDE ELECTRIC COMPANY INC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | WEST SIDE IRON INC | SPRINGFIELD, OR | Umpqua Bank |
| $150,000–350,000 | WEST SOUND DERMATOLOGY PLLC | Poulsbo, WA | Umpqua Bank |
| $150,000–350,000 | WEST SOUND DERMATOLOGY PLLC | POULSBO, WA | Umpqua Bank |
| $150,000–350,000 | WEST WIND COURT | BANDON, OR | Umpqua Bank |
| $350,000–1 million | WESTATES FLAGMAN INC | SPRINGFIELD, OR | Umpqua Bank |
| $350,000–1 million | WESTCO LATH & PLASTER INC. | Rio Linda, CA | Umpqua Bank |
| $350,000–1 million | WESTCOAST PAINTING LLC | Renton, WA | Umpqua Bank |
| $350,000–1 million | WESTCOTT HOLDINGS INC. | Kirkland, WA | Umpqua Bank |
| $350,000–1 million | WESTCOTT HOLDINGS, INC. | KIRKLAND, WA | Umpqua Bank |
| $150,000–350,000 | WESTERN DISPLAY FIREWORKS LTD | Oregon City, OR | Umpqua Bank |
| $150,000–350,000 | WESTERN DISPLAY FIREWORKS, LTD | Canby, OR | Umpqua Bank |
| $350,000–1 million | WESTERN FABRICATION CENTER LLC | KELSO, WA | Umpqua Bank |
| $150,000–350,000 | WESTERN FIRE CHIEFS' ASSOCIATION INC. | Wilsonville, OR | Umpqua Bank |
| $150,000–350,000 | WESTERN FIREWORKS, INC. | CANBY, OR | Umpqua Bank |
| $350,000–1 million | WESTERN LIVING CONCEPTS | ARCATA, CA | Umpqua Bank |
| $350,000–1 million | WESTERN MECHANICAL CONTRACTORS INC | KENT, WA | Umpqua Bank |
| $350,000–1 million | WESTERN MECHANICAL CONTRACTORS INC | Kent, WA | Umpqua Bank |
| $150,000–350,000 | WESTERN PROFESSIONAL | Salem, OR | Umpqua Bank |