| $350,000–1 million | HEADSIGHT INC | BREMEN, IN | 1st Source Bank |
| $2–5 million | HEALTHLINC INC | VALPARAISO, IN | 1st Source Bank |
| $150,000–350,000 | HEAVY METAL SCRAP, INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | HEBARD AND HEBARD ARCHITECTS, INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | HEINOLD AND FELLER TIRE | VALPARAISO, IN | 1st Source Bank |
| $1–2 million | HELINET AVIATION SERVICES, LLC | VAN NUYS, CA | 1st Source Bank |
| $350,000–1 million | HELIQWEST INTERNATIONAL INC. | BROOMFIELD, CO | 1st Source Bank |
| $350,000–1 million | HERR CUSTOM PAINT INC | GOSHEN, IN | 1st Source Bank |
| $150,000–350,000 | HIBSHMAN SCREW MACHINE PRODUCTS, INC. | UNION, MI | 1st Source Bank |
| $350,000–1 million | HIGH PLAINS ENTERPRISES INC | MESA, AZ | 1st Source Bank |
| $150,000–350,000 | HINGECRAFT CORPORATION | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | HISPEC WHEEL AND TIRE, INC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | HOLBERT ENGINEERING COMPANY INC | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | HOLY CROSS VILLAGE AT NOTRE DAME | NOTRE DAME, IN | 1st Source Bank |
| $350,000–1 million | HOMAN INC OF INDIANA | MARIA STEIN, OH | 1st Source Bank |
| $350,000–1 million | HOMAN LUMBER MART, INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | HOOSIER CUSTOM PLASTICS LLC | KNOX, IN | 1st Source Bank |
| $150,000–350,000 | HOOSIER HOUSE FURNISHINGS LLC | GOSHEN, IN | 1st Source Bank |
| $1–2 million | HOOSIER SPRING CO INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | HORIZON PLASTICS & ENGINEERING INC | OSCEOLA, IN | 1st Source Bank |
| $350,000–1 million | HRP CONSTRUCTION INC | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | HUBBARD HILL ESTATES INC | ELKHART, IN | 1st Source Bank |
| $2–5 million | HULL LIFT TRUCK, INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | HURLEY & STEWART LLC | KALAMAZOO, MI | 1st Source Bank |
| $350,000–1 million | HUTH THOMPSON LLP | LAFAYETTE, IN | 1st Source Bank |
| $150,000–350,000 | HYNDMAN INDUSTRIAL PRODUCTS, INC. | FORT WAYNE, IN | 1st Source Bank |
| $1–2 million | IDEAL CRANE RENTAL, INC. | MADISON, WI | 1st Source Bank |
| $150,000–350,000 | IMAGE DENTAL ARTS INC | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | INDIANA AIR POWER INC | LA PORTE, IN | 1st Source Bank |
| $1–2 million | INDIANA CARTON COMPANY INC | BREMEN, IN | 1st Source Bank |
| $350,000–1 million | INDIANA FURNITURE SHOWCASE INC. | VALPARAISO, IN | 1st Source Bank |
| $1–2 million | INDIANA PHYSICAL THERAPY | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | INOVATEUS SOLAR LLC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | INSIGHT ACCOUNTING GROUP, PC | GOSHEN, IN | 1st Source Bank |
| $350,000–1 million | INTEGRATIVE WELLNESS LLC | LEBANON, IN | 1st Source Bank |
| $150,000–350,000 | INTEK AUTO LEASING INC. | ROSELAND, NJ | 1st Source Bank |
| $350,000–1 million | INTER TECHNOLOGIES CORPORATION | MISHAWAKA, IN | 1st Source Bank |
| $1–2 million | INTERACT OF MICHIGAN INC. | KALAMAZOO, MI | 1st Source Bank |
| $350,000–1 million | INTERNATIONAL LEASING CO INC | SEATTLE, WA | 1st Source Bank |
| $150,000–350,000 | INTERNATIONAL RENTAL & LEASING CORP. | ST THOMAS, VI | 1st Source Bank |
| $1–2 million | IRON BALUSTER, INC. | GOSHEN, IN | 1st Source Bank |
| $150,000–350,000 | IRRIGATION SOLUTIONS, LLC | LAKEVILLE, IN | 1st Source Bank |
| $350,000–1 million | IRVINE SHADE & DOOR, INC. | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | J & B WEST ENTERPRISES, LLC | LA PORTE, IN | 1st Source Bank |
| $150,000–350,000 | J & D'S CREATIVE COLORS OF NORTHERN INDIANA, INC. | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | J & K SERVICE INC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | J Q TEX INC | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | J W WERNTZ & SONS INCORPORATED | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | J&G FOOD SERVICES, LLC | VALPARAISO, IN | 1st Source Bank |
| $350,000–1 million | J&L DIMENSIONAL SERVICES INC | LAPORTE, IN | 1st Source Bank |
| $1–2 million | JACK HOOD TRANSPORTATION INC | MICHIGAN CITY, IN | 1st Source Bank |
| $350,000–1 million | JAEGER UNITEK SEALING SOLUTIONS INC | LA PORTE, IN | 1st Source Bank |
| $350,000–1 million | JAMES E FULTON + SONS INC | KALAMAZOO, MI | 1st Source Bank |
| $150,000–350,000 | JASPER INCORPORATED | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | JAY HARLAND CORPORATION | SPRINGFIELD, MA | 1st Source Bank |
| $150,000–350,000 | JB AND RL INC | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | JCI BRIDGE GROUP INC | LA PORTE, IN | 1st Source Bank |
| $150,000–350,000 | JEM CONCRETE DRILLING AND SAWING INC | GRANGER, IN | 1st Source Bank |
| $1–2 million | JET TECHNOLOGIES INC | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | JHK INC | OSCEOLA, IN | 1st Source Bank |
| $150,000–350,000 | JNK, INC. | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | JOHN BOETTCHER SEWER AND EXCAVATING CONTRACTOR LTD | MISHAWAKA, IN | 1st Source Bank |
| $1–2 million | JONES PETRIE RAFINSKI CORP | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | JOURNEY TRUCKING INC. | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | JOURNEYS BEHAVIOR LEARNING CENTER LLC | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | JUST FOUR WHEELS INC | ABSECON, NJ | 1st Source Bank |
| $150,000–350,000 | K & G ENTERPRISES | ANGOLA, IN | 1st Source Bank |
| $150,000–350,000 | K&S PALLETS INC | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | KABELIN HARDWARE COMPANY INC. | LA PORTE, IN | 1st Source Bank |
| $150,000–350,000 | KACHUR TREE SERVICE LLC | NILES, MI | 1st Source Bank |
| $150,000–350,000 | KALAMAZOO ORTHODONTICS, P.C. | PORTAGE, MI | 1st Source Bank |
| $350,000–1 million | KAMPCO STEEL PRODUCTS INC. | ELKHART, IN | 1st Source Bank |
| $1–2 million | KASER FLEET LLC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | KELCHCO INC. | ROYAL OAK, MI | 1st Source Bank |
| $150,000–350,000 | KELSEY'S OF VALPARAISO, INC. | VALPARAISO, IN | 1st Source Bank |
| $150,000–350,000 | KEMP ELECTRIC INC | NAPPANEE, IN | 1st Source Bank |
| $2–5 million | KENNESAW TRANSPORTATION INC. | RYDAL, GA | 1st Source Bank |
| $150,000–350,000 | KEYSTONE MANUFACTURING, LLC | KALAMAZOO, MI | 1st Source Bank |
| $150,000–350,000 | KIA POROPERTIES OF MI, LLC | EAU CLAIRE, MI | 1st Source Bank |
| $150,000–350,000 | KIDNEY CARE OF MICHIANA LLC | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | KIRKLAND CONSTRUCTION LLLP | RYE, CO | 1st Source Bank |
| $350,000–1 million | KLCA INC | WARSAW, IN | 1st Source Bank |
| $150,000–350,000 | KNOX WINAMAC COMMUNITY HEALTH CENTERS INC | KNOX, IN | 1st Source Bank |
| $2–5 million | KOENIG EQUIPMENT INC | BOTKINS, OH | 1st Source Bank |
| $150,000–350,000 | KROPP FIRE PROTECTION INC | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | KRUGGEL LAWTON & CO LLC | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | KUERT CONCRETE INC. | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | KW CUSTOM CONTROLS LLC | SOUTH BEND, IN | 1st Source Bank |
| $2–5 million | KW SERVICES LLC | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | LA GRANGE CRANE SERVICE INC. | LA GRANGE, IL | 1st Source Bank |
| $350,000–1 million | LA LUMIERE SCHOOL | LA PORTE, IN | 1st Source Bank |
| $350,000–1 million | LACASA OF GOSHEN INC. | GOSHEN, IN | 1st Source Bank |
| $350,000–1 million | LADUE CURRAN & KUEHN LLC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | LAIDIG CONCRETE INC. | MISHAWAKA, IN | 1st Source Bank |
| $1–2 million | LAKELAND IMMEDIATE CARE CENTER | CASSOPOLIS, MI | 1st Source Bank |
| $350,000–1 million | LASALLE HOSPITALITY GROUP INC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | LATITUDE SERVICE COMPANY INC | PLYMOUTH, IN | 1st Source Bank |
| $350,000–1 million | LEGACY HEATING AND AIR INC | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | LEMASTER STEEL ERECTORS INC | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | LESCO DISTRIBUTING INC | SOUTH BEND, IN | 1st Source Bank |