| $350,000–1 million | WELCH,COMER & ASSOCIATES, INC. | COEUR D ALENE, ID | Glacier Bank |
| $150,000–350,000 | WELL BEAUTY INC. | RENO, NV | Glacier Bank |
| $350,000–1 million | WELLSPRING MEADOWS INC | HAYDEN, ID | Glacier Bank |
| $150,000–350,000 | WENATCHEE DENTAL | WENATCHEE, WA | Glacier Bank |
| $150,000–350,000 | WENATCHEE HOME HEALTH LLC | WENATCHEE, WA | Glacier Bank |
| $1–2 million | WENCO INDUSTRIES, INC. | COLORADO SPRINGS, CO | Glacier Bank |
| $150,000–350,000 | WERCO INDUSTRIES INC | LIBBY, MT | Glacier Bank |
| $150,000–350,000 | WES OLSON TRUCKING, INC. | SANDPOINT, ID | Glacier Bank |
| $1–2 million | WEST CENTRAL, INC. | CANON CITY, CO | Glacier Bank |
| $350,000–1 million | WEST PAW DESIGN | BOZEMAN, MT | Glacier Bank |
| $150,000–350,000 | WEST POINTE ELECTRIC SOLUTIONS, INC. | VICTOR, ID | Glacier Bank |
| $350,000–1 million | WESTCOTT DOWN HOLE SERVICE INC | GRAND JUNCTION, CO | Glacier Bank |
| $150,000–350,000 | WESTECH ENVIRONMENTAL SERVICES INC | HELENA, MT | Glacier Bank |
| $150,000–350,000 | WESTERN ARIZONA HUMANE SOCIETY, INC. | LAKE HAVASU CITY, AZ | Glacier Bank |
| $150,000–350,000 | WESTERN INDUSTRIAL PARTS, INC. | RENO, NV | Glacier Bank |
| $150,000–350,000 | WESTERN MEAT AND SAUSAGE BLOCK, INC. | BUTTE, MT | Glacier Bank |
| $350,000–1 million | WESTERN MEDICAL ASSOCIATES, PLLC | COEUR D ALENE, ID | Glacier Bank |
| $5–10 million | WESTERN MONTANA MENTAL HEALTH CENTER | MISSOULA, MT | Glacier Bank |
| $150,000–350,000 | WESTERN MT EMERGENCY PHYSICIANS | MISSOULA, MT | Glacier Bank |
| $150,000–350,000 | WESTERN NEVADA MANAGEMENT, INC. | RENO, NV | Glacier Bank |
| $150,000–350,000 | WESTERN SLOPE INDUSTRIES, INC. | GRAND JUNCTION, CO | Glacier Bank |
| $1–2 million | WESTERN TRAILS CHARTERS AND TOURS LLC | SUGAR CITY, ID | Glacier Bank |
| $150,000–350,000 | WESTERN WALLS, INC | WEST HAVEN, UT | Glacier Bank |
| $350,000–1 million | WESTERN WORKHORSE MANAGEMENT LLC | SALT LAKE CITY, UT | Glacier Bank |
| $350,000–1 million | WESTFIELD DEVELOPMENT COMPANY. INC. | DENVER, CO | Glacier Bank |
| $150,000–350,000 | WESTSIDE DISPOSAL SERVICES INC | GOLDEN VALLEY, AZ | Glacier Bank |
| $150,000–350,000 | WHITE STAR ELECTRIC LLC | GRAND JUNCTION, CO | Glacier Bank |
| $150,000–350,000 | WHITE'S MARKET PLACE INC | WEST YELLOWSTONE, MT | Glacier Bank |
| $350,000–1 million | WHITEFISH COMMUNITY AQUATIC AND HEALTH CENTER | WHITEFISH, MT | Glacier Bank |
| $150,000–350,000 | WHITEFISH LAKE GOLF COURSE | WHITEFISH, MT | Glacier Bank |
| $150,000–350,000 | WHITEFISH PHYSICAL THERAPY & SPORTS REHAB INC | WHITEFISH, MT | Glacier Bank |
| $350,000–1 million | WHITEWATER BUILDING MATERIALS CORP | GRAND JUNCTION, CO | Glacier Bank |
| $350,000–1 million | WHITEWATER CREEK, INC. | HAYDEN, ID | Glacier Bank |
| $150,000–350,000 | WHITEWATER DEVELOPMENT LLC | HAYDEN, ID | Glacier Bank |
| $150,000–350,000 | WHITEWATER EXCAVATION LLC | HAYDEN, ID | Glacier Bank |
| $150,000–350,000 | WHITEWATER SURGERY | BOISE, ID | Glacier Bank |
| $350,000–1 million | WHITLEY FUEL LLC | OKANOGAN, WA | Glacier Bank |
| $150,000–350,000 | WHITTLE, HAMILTON AND ASSOCIATES, P.C. | POWELL, WY | Glacier Bank |
| $150,000–350,000 | WHOLESALE MORTGAGE SERVICES, LLC | RENO, NV | Glacier Bank |
| $150,000–350,000 | WILD CRUMB, LLC | BOZEMAN, MT | Glacier Bank |
| $150,000–350,000 | WILD GAME ENTERTAINMENT, LLC | EVERGREEN, CO | Glacier Bank |
| $150,000–350,000 | WILD GAME LONGMONT LLC | EVERGREEN, CO | Glacier Bank |
| $150,000–350,000 | WILD SHEEP FOUNDATION | BOZEMAN, MT | Glacier Bank |
| $150,000–350,000 | WILD WEST PIZZERIA, INC. | WEST YELLOWSTONE, MT | Glacier Bank |
| $150,000–350,000 | WILDERNESS PRESERVE US LIMITED PARTNERSHIP | EUREKA, MT | Glacier Bank |
| $350,000–1 million | WILLIAMS CIVIL CONSTRUCTION, INC. | BOZEMAN, MT | Glacier Bank |
| $1–2 million | WILLIAMS PLUMBING, HEATING & UTILITIES, INC. | BOZEMAN, MT | Glacier Bank |
| $150,000–350,000 | WILLOW CREEK WHOLESALE NURSERY LLC | MIDDLETON, ID | Glacier Bank |
| $150,000–350,000 | WILSON CONSTRUCTION LLC | KETCHUM, ID | Glacier Bank |
| $150,000–350,000 | WIMMER CORP | LAYTON, UT | Glacier Bank |
| $350,000–1 million | WINGS WEST ONE, LLC | YUMA, AZ | Glacier Bank |
| $150,000–350,000 | WINNERS GAMING, INC | RENO, NV | Glacier Bank |
| $350,000–1 million | WINNERS HOTEL AND CASINO, INC | WINNEMUCCA, NV | Glacier Bank |
| $1–2 million | WINTER SPORTS, INC. | WHITEFISH, MT | Glacier Bank |
| $150,000–350,000 | WIRED OR WIRELESS, INC | SPOKANE VALLEY, WA | Glacier Bank |
| $150,000–350,000 | WIRED-UP SYSTEMS LLC | COTTONWOOD, AZ | Glacier Bank |
| $2–5 million | WISE SERVICES, LLC | LYMAN, WY | Glacier Bank |
| $150,000–350,000 | WISER DRYWALL INC. | SPARKS, NV | Glacier Bank |
| $150,000–350,000 | WNU HOLDINGS CORPORATION | PINEDALE, WY | Glacier Bank |
| $150,000–350,000 | WOK-ABOUT GRILL #2 | LEAVENWORTH, WA | Glacier Bank |
| $150,000–350,000 | WOLPER ENTERPRISES INC. | BELLEVUE, ID | Glacier Bank |
| $150,000–350,000 | WOODMOOR MANAGEMENT CORP | MONUMENT, CO | Glacier Bank |
| $150,000–350,000 | WORK AND CLASS LLC | DENVER, CO | Glacier Bank |
| $2–5 million | WORKING VENTURES LP | KALISPELL, MT | Glacier Bank |
| $350,000–1 million | WORLD WATERS HOLDINGS LLC | DENVER, CO | Glacier Bank |
| $150,000–350,000 | WRCH-LARAMIE, LLC | LARAMIE, WY | Glacier Bank |
| $1–2 million | WRIGHT BROTHERS, THE BUILDING COMPANY, EAGLE LLC | EAGLE, ID | Glacier Bank |
| $150,000–350,000 | WRONA DUBOIS PLLC | PARK CITY, UT | Glacier Bank |
| $150,000–350,000 | WYOMING FABRICATION ENTERPRISES, INC. | EVANSTON, WY | Glacier Bank |
| $150,000–350,000 | WYOMING TRUCKS & CARS, INC. | ROCK SPRINGS, WY | Glacier Bank |
| $150,000–350,000 | XAMAX INC. | BOISE, ID | Glacier Bank |
| $350,000–1 million | Y. G. P., INC. | DEWEY, AZ | Glacier Bank |
| $150,000–350,000 | Y.E.S. THE ARC | COTTONWOOD, AZ | Glacier Bank |
| $150,000–350,000 | YAVAPAI BIG BROTHERS BIG SISTERS INC | PRESCOTT, AZ | Glacier Bank |
| $150,000–350,000 | YAVAPAI EXCEPTIONAL INDUSTRIES | PRESCOTT, AZ | Glacier Bank |
| $1–2 million | YELLOW DOG VENTURES LLC | COEUR D ALENE, ID | Glacier Bank |
| $1–2 million | YELLOWSTONE FOREVER | BOZEMAN, MT | Glacier Bank |
| $350,000–1 million | YOUTH WITH A MISSION OF MONTANA, INC. | LAKESIDE, MT | Glacier Bank |
| $150,000–350,000 | YUMA ENDOSCOPY CENTER, LLC | YUMA, AZ | Glacier Bank |
| $150,000–350,000 | YUMA FURNITURE COMPANY, INC. | YUMA, AZ | Glacier Bank |
| $150,000–350,000 | YUMA LANDING COMPANY | YUMA, AZ | Glacier Bank |
| $350,000–1 million | YUMA NISSAN, INC. | YUMA, AZ | Glacier Bank |
| $350,000–1 million | YUMAHOMECARE.COM LLC | YUMA, AZ | Glacier Bank |
| $150,000–350,000 | YWCA MISSOULA | MISSOULA, MT | Glacier Bank |
| $150,000–350,000 | Z BILAVER CONSTRUCTION INC | LOS ANGELES, CA | Glacier Bank |
| $350,000–1 million | ZANETTI BROTHERS INC | OSBURN, ID | Glacier Bank |
| $150,000–350,000 | ZEBRASCAPES LLC | PRESCOTT, AZ | Glacier Bank |
| $150,000–350,000 | ZEPPELIN DEVELOPMENT, INC. | DENVER, CO | Glacier Bank |
| $350,000–1 million | ZIP, INC. | MISSOULA, MT | Glacier Bank |
| $150,000–350,000 | ZWINGER EXCAVATING, INC. | HAYDEN, ID | Glacier Bank |