| $350,000–1 million | JOYCE BUICK - GMC, INC. | AVON, OH | Northwest Bank |
| $350,000–1 million | JPM INC | AMES, IA | Northwest Bank |
| $350,000–1 million | JPT ARCHITECTS PC.PDF | JOHNSTOWN, PA | Northwest Bank |
| $2–5 million | JUBITZ CORPORATION | PORTLAND, OR | Northwest Bank |
| $150,000–350,000 | JUNKBELL, LLC | LOCKPORT, NY | Northwest Bank |
| $2–5 million | K C NIELSEN LTD | HUMBOLDT, IA | Northwest Bank |
| $150,000–350,000 | K. ROBERT CUNNINGHAM SURVEYORS, INC. | WELLSBORO, PA | Northwest Bank |
| $150,000–350,000 | KA ELKHORN LLC | ELKHORN, NE | Northwest Bank |
| $2–5 million | KAASCO, INC. | MUKILTEO, WA | Northwest Bank |
| $150,000–350,000 | KAEPER MACHINE, INC. | MENTOR, OH | Northwest Bank |
| $150,000–350,000 | KALLIN-JOHNSON MONUMENT COMPANY | FORT DODGE, IA | Northwest Bank |
| $150,000–350,000 | KASUAL COMPUTING INC | CAMP HILL, PA | Northwest Bank |
| $350,000–1 million | KAVINOKY COOK LLP | BUFFALO, NY | Northwest Bank |
| $2–5 million | KBC GROUP INC | URBANDALE, IA | Northwest Bank |
| $350,000–1 million | KDDS GROUP LLC | KIRKLAND, WA | Northwest Bank |
| $150,000–350,000 | KENNIHAN PLUMBING & HEATING, INC. | VALENCIA, PA | Northwest Bank |
| $350,000–1 million | KENNY ENTERPRISES INC | CHEEKTOWAGA, NY | Northwest Bank |
| $150,000–350,000 | KEYSTONE LAWN COMPANY, INC. | MOUNT JOY, PA | Northwest Bank |
| $350,000–1 million | KEYSTONE RURAL HEALTH CONSORTIA, INC. | EMPORIUM, PA | Northwest Bank |
| $150,000–350,000 | KFEATHERS5 LLC | DEPEW, NY | Northwest Bank |
| $150,000–350,000 | KHI SOLUTIONS, L.L.C. | FORT DODGE, IA | Northwest Bank |
| $350,000–1 million | KIDENEY ARCHITECTS, P.C. | BUFFALO, NY | Northwest Bank |
| $150,000–350,000 | KIDSFIRST LEARNING CENTERS, LLC | OLMSTED FALLS, OH | Northwest Bank |
| $150,000–350,000 | KINETIC VALUATION GROUP, INC | OMAHA, NE | Northwest Bank |
| $150,000–350,000 | KINGDOM EXTERIORS LLC | MARION, IN | Northwest Bank |
| $150,000–350,000 | KINGMAN STORAGE, LLC | ELKHART, IN | Northwest Bank |
| $150,000–350,000 | KIRKDORFFER MILK TRANSPORT, LLC | WARSAW, IN | Northwest Bank |
| $150,000–350,000 | KIRKLAND CONSTRUCTION GROUP WA LLC | VANCOUVER, WA | Northwest Bank |
| $150,000–350,000 | KISTCO COMPANY | OMAHA, NE | Northwest Bank |
| $150,000–350,000 | KITCHEN WORLD DISTRIBUTING INC | BUFFALO, NY | Northwest Bank |
| $150,000–350,000 | KLAPEC AUTO BODY INC. | CRANBERRY, PA | Northwest Bank |
| $150,000–350,000 | KLAUK, LLOYD & WILHELM, INC. | BUFFALO, NY | Northwest Bank |
| $350,000–1 million | KLEIN PLATING WORKS, INC. | ERIE, PA | Northwest Bank |
| $150,000–350,000 | KLK WELDING INC. | HANOVER, PA | Northwest Bank |
| $150,000–350,000 | KMS MANAGEMENT CORP | GRAND ISLAND, NY | Northwest Bank |
| $150,000–350,000 | KNIGHT & DAY DINER, INC. | LITITZ, PA | Northwest Bank |
| $350,000–1 million | KNOWLEDGE TECHNOLOGY SOLUTIONS INC | WINDSOR HEIGHTS, IA | Northwest Bank |
| $350,000–1 million | KOALA TEE SCREEN PRINTING INC | OMAHA, NE | Northwest Bank |
| $150,000–350,000 | KOASIA INC | SEATTLE, WA | Northwest Bank |
| $150,000–350,000 | KRAYBILL MENNONITE SCHOOL CORPORATION | MOUNT JOY, PA | Northwest Bank |
| $350,000–1 million | KRENTZMAN SUPPLY CO INC ETAL | LEWISTOWN, PA | Northwest Bank |
| $350,000–1 million | KROESE & KROESE, P.C. | SIOUX CENTER, IA | Northwest Bank |
| $350,000–1 million | KUNO CREATIVE GROUP, L.L.C. | AVON, OH | Northwest Bank |
| $350,000–1 million | LA' JAMES DISTRIBUTION, LC | FORT DODGE, IA | Northwest Bank |
| $150,000–350,000 | LABEL TECH, INC | MUNCIE, IN | Northwest Bank |
| $150,000–350,000 | LABELPACK AUTOMATION, INC. | BRADFORD, PA | Northwest Bank |
| $350,000–1 million | LACAY FABRICATION&MFG. INC | ELKHART, IN | Northwest Bank |
| $150,000–350,000 | LAKE CITY INDUSTRIES, INC. | LAKE CITY, PA | Northwest Bank |
| $350,000–1 million | LAKE ERIE TRUCKING, LLC | ERIE, PA | Northwest Bank |
| $2–5 million | LAKESHORE COMMUNITY SERVICES, INC | ERIE, PA | Northwest Bank |
| $150,000–350,000 | LAKESHORE ROOFING LTD | INDEPENDENCE, OH | Northwest Bank |
| $350,000–1 million | LAMARCA CM LLC | JEFFERSON HILLS, PA | Northwest Bank |
| $150,000–350,000 | LAMIGLAS, INC | WOODLAND, WA | Northwest Bank |
| $350,000–1 million | LAMPARELLI CONSTRUCTION COM. INC | CHEEKTOWAGA, NY | Northwest Bank |
| $150,000–350,000 | LANCASTER AVE RESTAURANT LLC | LANCASTER, PA | Northwest Bank |
| $350,000–1 million | LAND GRANT SURVEYORS LLC | COLUMBIA, PA | Northwest Bank |
| $150,000–350,000 | LANDISVILLE ANIMAL HOSPITAL INC | LANDISVILLE, PA | Northwest Bank |
| $150,000–350,000 | LANDMARK RECOVERY OF CARMEL, LLC | SCOTTSDALE, AZ | Northwest Bank |
| $350,000–1 million | LANDSCAPE MANAGEMENT SERVICES INC | WEST JORDAN, UT | Northwest Bank |
| $350,000–1 million | LANDSTUDIES, INC. | LITITZ, PA | Northwest Bank |
| $150,000–350,000 | LANE WOMEN'S HEALTH GROUP, P.C. | JAMESTOWN, NY | Northwest Bank |
| $150,000–350,000 | LANGELS PLUMBING HEATING AIR CONDITIONING AND WELL SERVICE, INC. | LE MARS, IA | Northwest Bank |
| $150,000–350,000 | LANTRAX, INC. | WILLIAMSVILLE, NY | Northwest Bank |
| $150,000–350,000 | LARSON KARLE ARCHITECTS, P.C. | WARREN, PA | Northwest Bank |
| $350,000–1 million | LASTING IMPRESSIONS GROWING AND LEARNING CENTER | ANKENY, IA | Northwest Bank |
| $350,000–1 million | LATHROP ELECTRIC, INC. | ERIE, PA | Northwest Bank |
| $150,000–350,000 | LAUFER KEENER PLLC | HAMBURG, NY | Northwest Bank |
| $350,000–1 million | LAWSON-FISHER ASSOCIATES PC | SOUTH BEND, IN | Northwest Bank |
| $350,000–1 million | LAWYER EXCAVATION, INC. | SEYMOUR, IN | Northwest Bank |
| $350,000–1 million | LCK TRUCKING LLC | HARTFORD CITY, IN | Northwest Bank |
| $350,000–1 million | LEDGE CREEK DEVELOPMENT | CLARENCE CENTER, NY | Northwest Bank |
| $150,000–350,000 | LEO'S PIZZERIA AND SPORTS BAR INC. | WEST SENECA, NY | Northwest Bank |
| $150,000–350,000 | LEOS PIZZERIA & WINGS INC | EAST AURORA, NY | Northwest Bank |
| $350,000–1 million | LEWIS & LEWIS, P.C. | BUFFALO, NY | Northwest Bank |
| $150,000–350,000 | LEWIS & SON INC DBA MY DAD'S AND THE FISH | BEMUS POINT, NY | Northwest Bank |
| $150,000–350,000 | LEYO'S INC. | COALPORT, PA | Northwest Bank |
| $1–2 million | LIBERTY FORD INC | MAPLE HEIGHTS, OH | Northwest Bank |
| $350,000–1 million | LIBERTY FORD LINCOLN CANTON LLC | CANTON, OH | Northwest Bank |
| $350,000–1 million | LIBERTY FORD LINCOLN MERCURY INC | VERMILION, OH | Northwest Bank |
| $350,000–1 million | LIBERTY FORD SOLON INC | AURORA, OH | Northwest Bank |
| $350,000–1 million | LIBERTY FORD SOUTHWEST INC | PARMA HEIGHTS, OH | Northwest Bank |
| $350,000–1 million | LIBERTY LINCOLN MERCURY INDEPENCE LLC | BRUNSWICK, OH | Northwest Bank |
| $150,000–350,000 | LIEN TERMITE AND PEST CONTROL, INC | OMAHA, NE | Northwest Bank |
| $150,000–350,000 | LIFESTYLE PROPERTIES | ITHACA, NY | Northwest Bank |
| $150,000–350,000 | LIFEWAY SERVICES LLC | NEW BETHLEHEM, PA | Northwest Bank |
| $150,000–350,000 | LINKRIST CONSTRUCTION COMPANY INC. | OAKDALE, PA | Northwest Bank |
| $350,000–1 million | LIPSITZ & PONTERIO LLC | BUFFALO, NY | Northwest Bank |
| $350,000–1 million | LITTLE EARTH PRODUCTIONS, INC. | PITTSBURGH, PA | Northwest Bank |
| $150,000–350,000 | LL INTERESTS, INC. | OMAHA, NE | Northwest Bank |
| $350,000–1 million | LOMBARDI BROTHERS MEAT PACKERS, INC. | DENVER, CO | Northwest Bank |
| $350,000–1 million | LONE TREE POINT HOLDINGS, INC | FORT WAYNE, IN | Northwest Bank |
| $1–2 million | LORAIN COUNTY ALCOHOL AND DRUG ABUSE SERV | LORAIN, OH | Northwest Bank |
| $1–2 million | LORAIN COUNTY HEALTH & DENTISTRY | LORAIN, OH | Northwest Bank |
| $150,000–350,000 | LT METAL MASTERS INC. | INDIANAPOLIS, IN | Northwest Bank |
| $350,000–1 million | LUMSDEN RESTAURANTS, LLC | BOISE, ID | Northwest Bank |
| $150,000–350,000 | LUTHERAN FAMILY SERVICE | FORT DODGE, IA | Northwest Bank |
| $150,000–350,000 | LUTON'S PLUMBING, HEATING & AIR CONDITIONING, INC. | CLARION, PA | Northwest Bank |
| $350,000–1 million | LWBJ FINANCIAL, LLC | WEST DES MOINES, IA | Northwest Bank |
| $350,000–1 million | LYCRO MANUFACTURING INC | WAKARUSA, IN | Northwest Bank |
| $150,000–350,000 | LYKINS COUNSELING CLINIC | MUNCIE, IN | Northwest Bank |