| $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 | KITCHEN WORLD DISTRIBUTING INC. | Williamsville, 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 | KMS MANAGEMENT CORP | Grand Island, NY | Northwest Bank |
| $150,000–350,000 | KNIGHT & DAY DINER INC | Lititz, PA | 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 PRINTING | Omaha, NE | 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 QUERCIA LLC | Norwalk, IA | Northwest Bank |
| $350,000–1 million | LA' JAMES DISTRIBUTION CENTER LC | Fort Dodge, IA | 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 |
| $150,000–350,000 | LABELPACK AUTOMATION, INC. | BRADFORD, PA | Northwest Bank |
| $350,000–1 million | LACAY FABRICATION AND MANUFACTURING INC | Elkhart, IN | 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 |
| $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 |
| $150,000–350,000 | LAKESHORE ROOFING LTD. | Independence, OH | Northwest Bank |
| $350,000–1 million | LAMARCA CM LLC | Clairton, PA | 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 |
| $350,000–1 million | LAMPARELLI CONSTRUCTION COMPANY INC. | Buffalo, NY | Northwest Bank |
| $150,000–350,000 | LANCASTER ARTS 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 |
| $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, | 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 |
| $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 | 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 |
| $350,000–1 million | LEWIS & LEWIS, P.C. | Buffalo, NY | Northwest Bank |
| $150,000–350,000 | LEWIS & SON, INC | Bemus Point, NY | Northwest Bank |
| $150,000–350,000 | LEWIS & SON, INC | 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 | LIFESTYLE PROPERTIES OF ITHACA LLC | Ithaca, NY | Northwest Bank |
| $150,000–350,000 | LIFEWAY SERVICES LLC | New Bethlehem, PA | Northwest Bank |
| $150,000–350,000 | LINKRIST CONSTRUCTION CO. INC. | Oakdale, 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 | LIPSITZ PONTERIO & COMERFORD LLC | Buffalo, NY | Northwest Bank |
| $150,000–350,000 | LITTLE EARTH PRODUCTIONS | Pittsburgh, PA | 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 |
| $150,000–350,000 | LL INTERESTS INC. | OMAHA, NE | Northwest Bank |
| $350,000–1 million | LOMBARDI BROS MEAT PACKERS INC. | Denver, CO | Northwest Bank |
| $350,000–1 million | LOMBARDI BROTHERS MEAT PACKERS, INC. | DENVER, CO | Northwest Bank |
| $150,000–350,000 | LONE TREE POINT HOLDINGS INC. | Fort Wayne, IN | 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 |
| $150,000–350,000 | LT METAL MASTERS INC. | INDIANAPOLIS, IN | Northwest Bank |
| $350,000–1 million | LUMSDEN RESTAURANTS LLC | Boise, ID | 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 |
| $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 |
| $350,000–1 million | LYNDAL ENTERPRISES, INC | ERIE, PA | Northwest Bank |