| $150,000–350,000 | SHELLY SELF DMD PLLC | Poulsbo, WA | Umpqua Bank |
| $350,000–1 million | SHELTER HOLDINGS, L.L.C. | BELLEVUE, WA | Umpqua Bank |
| $150,000–350,000 | SHELTER HOMES LLC | Seattle, WA | Umpqua Bank |
| $150,000–350,000 | SHELTER HOMES LLC | SEATTLE, WA | Umpqua Bank |
| $150,000–350,000 | SHELTER RESOURCES INC | BELLEVUE, WA | Umpqua Bank |
| $350,000–1 million | SHELTERCARE | EUGENE, OR | Umpqua Bank |
| $150,000–350,000 | SHELTON ASSISTED LIVING, LLC | VANCOUVER, WA | Umpqua Bank |
| $1–2 million | SHEPARD INVESTMENT GROUP, LLC | EUGENE, OR | Umpqua Bank |
| $150,000–350,000 | SHERPA HOSPITALITY LLC | Sonoma, CA | Umpqua Bank |
| $150,000–350,000 | SHERPA HOSPITALITY, LLC | SONOMA, CA | Umpqua Bank |
| $350,000–1 million | SHIKOSHA INC | Portland, OR | Umpqua Bank |
| $350,000–1 million | SHIKOSHA, INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | SHILOH FORESTRY INC. | EUGENE, OR | Umpqua Bank |
| $350,000–1 million | SHIMENTO INC | BENICIA, CA | Umpqua Bank |
| $350,000–1 million | SHIRTCLIFF OIL CO. | REEDSPORT, OR | Umpqua Bank |
| $150,000–350,000 | SHIVAM OF WADE, INC. | WADE, NC | Umpqua Bank |
| $150,000–350,000 | SHOOTSTA INC | CARLSBAD, CA | Umpqua Bank |
| $150,000–350,000 | SHORE CONSULTING, INC. | NEWCASTLE, CA | Umpqua Bank |
| $150,000–350,000 | SHOUTPOINT, INC. | NEWPORT BEACH, CA | Umpqua Bank |
| $150,000–350,000 | SIAMAK'S CAR COMPANY LLC | Salem, OR | Umpqua Bank |
| $350,000–1 million | SID'S AUTO BODY, INC. | LA MESA, CA | Umpqua Bank |
| $350,000–1 million | SID'S AUTO BODY, INC. | La Mesa, CA | Umpqua Bank |
| $150,000–350,000 | SIDE A BREWING LLC | La Grande, OR | Umpqua Bank |
| $150,000–350,000 | SIDEWINDER INC. | Canby, OR | Umpqua Bank |
| $150,000–350,000 | SIDEWINDER, INC. | CANBY, OR | Umpqua Bank |
| $350,000–1 million | SIEGNER AND COMPANY | Portland, OR | Umpqua Bank |
| $350,000–1 million | SIEGNER AND COMPANY | PORTLAND, OR | Umpqua Bank |
| $1–2 million | SIERRA ARBOR WORKS | LOOMIS, CA | Umpqua Bank |
| $150,000–350,000 | SIERRA BUILDING SYSTEMS, INC., A LOW VOLTAGE INTEGRATOR | ROSEVILLE, CA | Umpqua Bank |
| $150,000–350,000 | SIERRA CASE PARTS LLC | Portland, OR | Umpqua Bank |
| $350,000–1 million | SIERRA CASE PARTS, LLC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | SIERRA CHILD AND FAMILY SERVICES, INC. | DIAMOND SPRINGS, CA | Umpqua Bank |
| $1–2 million | SIERRA MENTAL WELLNESS GROUP | ROSEVILLE, CA | Umpqua Bank |
| $2–5 million | SIERRA PACIFIC HOME & COMFORT, INC | RANCHO CORDOVA, CA | Umpqua Bank |
| $1–2 million | SIERRA PACKAGING & CONVERTING, LLC | RENO, NV | Umpqua Bank |
| $150,000–350,000 | SIERRA RIDGE OPERATIONS, LP | VANCOUVER, WA | Umpqua Bank |
| $150,000–350,000 | SIERRA SMILES LLC | RENO, NV | Umpqua Bank |
| $150,000–350,000 | SIERRA SMILES LLC | Reno, NV | Umpqua Bank |
| $150,000–350,000 | SIERRA VALLEY MECHANICAL | RANCHO CORDOVA, CA | Umpqua Bank |
| $150,000–350,000 | SIERRA VETERINARY CARE | SONORA, CA | Umpqua Bank |
| $350,000–1 million | SIERRA VIEW LAND COMPANY | ROSEVILLE, CA | Umpqua Bank |
| $150,000–350,000 | SIFT CUPCAKE & DESSERT BAR | SANTA ROSA, CA | Umpqua Bank |
| $5–10 million | SIGMA DESIGN, INC. | CAMAS, WA | Umpqua Bank |
| $350,000–1 million | SIGN FRACTURE CARE INTERNATIONAL | Richland, WA | Umpqua Bank |
| $350,000–1 million | SIGN FRACTURE CARE INTERNATIONAL | RICHLAND, WA | Umpqua Bank |
| $350,000–1 million | SIGNATURE DEVELOPMENT GROUP INC. | Oakland, CA | Umpqua Bank |
| $350,000–1 million | SIGNATURE DEVELOPMENT GROUP, INC. | OAKLAND, CA | Umpqua Bank |
| $150,000–350,000 | SIGNATURE PAVING SERVICES INC | Newberg, OR | Umpqua Bank |
| $150,000–350,000 | SIGNATURE PAVING SERVICES, INC. | NEWBERG, OR | Umpqua Bank |
| $150,000–350,000 | SIGNS NOW NORTHWEST, INC. | PORTLAND, OR | Umpqua Bank |
| $150,000–350,000 | SILITRONICS SOLUTIONS INC | San Jose, CA | Umpqua Bank |
| $2–5 million | SILLER BROTHERS, INC. | YUBA CITY, CA | Umpqua Bank |
| $350,000–1 million | SILVEIRA BUICK GMC, INC | HEALDSBURG, CA | Umpqua Bank |
| $350,000–1 million | SILVEIRA CHEVROLET, INC | SONOMA, CA | Umpqua Bank |
| $350,000–1 million | SILVER CITY BREWERY, LLC | BREMERTON, WA | Umpqua Bank |
| $150,000–350,000 | SILVER MOON BREWING | Bend, OR | Umpqua Bank |
| $150,000–350,000 | SILVER MOON BREWING | BEND, OR | Umpqua Bank |
| $150,000–350,000 | SILVER PINE SOFTWARE, LLC | Wilsonville, OR | Umpqua Bank |
| $150,000–350,000 | SILVER SAGE CENTER FOR FAMILY MEDICINE LLC | Reno, NV | Umpqua Bank |
| $150,000–350,000 | SILVERADO ORCHARDS, LLC | SAINT HELENA, CA | Umpqua Bank |
| $150,000–350,000 | SILVESTRE'S MECHANICAL COMPANY, INC. | LODI, CA | Umpqua Bank |
| $350,000–1 million | SIMON G JEWELRY INC | GLENDALE, CA | Umpqua Bank |
| $350,000–1 million | SIMON G JEWELRY INC | Glendale, CA | Umpqua Bank |
| $1–2 million | SIMPLICITY HOMES, LLC | REDMOND, OR | Umpqua Bank |
| $150,000–350,000 | SIMPLY THAI USA INC. | Tukwila, WA | Umpqua Bank |
| $1–2 million | SIMPSON UNIVERSITY | Redding, CA | Umpqua Bank |
| $1–2 million | SIMPSON UNIVERSITY INC | REDDING, CA | Umpqua Bank |
| $150,000–350,000 | SIMS ELECTRIC INC | ROSEBURG, OR | Umpqua Bank |
| $350,000–1 million | SINE WAVE ELECTRIC INC | TACOMA, WA | Umpqua Bank |
| $350,000–1 million | SINE WAVE ELECTRIC INC. | Tacoma, WA | Umpqua Bank |
| $1–2 million | SINGING HILLS GOLF RESORT | EL CAJON, CA | Umpqua Bank |
| $350,000–1 million | SINGLE HANDED CONSULTING, INC. | OLYMPIA, WA | Umpqua Bank |
| $150,000–350,000 | SINGLEMIND CONSULTING INC | Beaverton, OR | Umpqua Bank |
| $150,000–350,000 | SINGLEMIND CONSULTING, INC | LAKE OSWEGO, OR | Umpqua Bank |
| $150,000–350,000 | SIR COLUMBIA KNOLL ASSOCIATES LIMITED PARTNERSHIP | PORTLAND, OR | Umpqua Bank |
| $1–2 million | SIRI AND SON FARMS, INC | SAINT PAUL, OR | Umpqua Bank |
| $150,000–350,000 | SISKIYOU BUCKLE CO. INC. | Medford, OR | Umpqua Bank |
| $150,000–350,000 | SISKIYOU BUCKLE CO., INC. | MEDFORD, OR | Umpqua Bank |
| $150,000–350,000 | SISKIYOU CASCADE RESOURCES LLC | Medford, OR | Umpqua Bank |
| $150,000–350,000 | SISKIYOU CASCADE RESOURCES LLC | MEDFORD, OR | Umpqua Bank |
| $150,000–350,000 | SISKIYOU CORPORATION | GRANTS PASS, OR | Umpqua Bank |
| $350,000–1 million | SISKIYOU FOREST PRODUCTS | ANDERSON, CA | Umpqua Bank |
| $150,000–350,000 | SISLER & SISLER CONSTRUCTION, INC. | SACRAMENTO, CA | Umpqua Bank |
| $150,000–350,000 | SITE ONE LLC | PORTLAND, OR | Umpqua Bank |
| $350,000–1 million | SITECRAFTING INC | Tacoma, WA | Umpqua Bank |
| $350,000–1 million | SITECRAFTING, INC. | TACOMA, WA | Umpqua Bank |
| $150,000–350,000 | SITEK PROCESS SOLUTIONS INC. | Rocklin, CA | Umpqua Bank |
| $150,000–350,000 | SITEK PROCESS SOLUTIONS, INC. | ROCKLIN, CA | Umpqua Bank |
| $150,000–350,000 | SIX DAUGHTERS LLC | Cannon Beach, OR | Umpqua Bank |
| $150,000–350,000 | SIX DAUGHTERS, LLC | CANNON BEACH, OR | Umpqua Bank |
| $150,000–350,000 | SIX STAR FRAMING CONCEPTS INC | OCEANSIDE, CA | Umpqua Bank |
| $150,000–350,000 | SJOBERG EVASHENK CONSULTING IN | SACRAMENTO, CA | Umpqua Bank |
| $150,000–350,000 | SJS HERBAL CORP | Eugene, OR | Umpqua Bank |
| $150,000–350,000 | SKAUG BROTHERS INC | MOSES LAKE, WA | Umpqua Bank |
| $5–10 million | SKILLS INC | AUBURN, WA | Umpqua Bank |
| $2–5 million | SKILLS INC. | Auburn, WA | Umpqua Bank |
| $150,000–350,000 | SKINNER CHUDLEIGH DMD LLC | LOUISVILLE, CO | Umpqua Bank |
| $150,000–350,000 | SKOUNTRIANOS DDS MS & VIRK DMD, MS PLLC | Puyallup, WA | Umpqua Bank |
| $150,000–350,000 | SKSP INC | HAYWARD, CA | Umpqua Bank |
| $150,000–350,000 | SKY BROTHERS LLC | Puyallup, WA | Umpqua Bank |