| $350,000–1 million | LIBERTY STEEL FABRICATING INC. | SAINT JOSEPH, MI | 1st Source Bank |
| $150,000–350,000 | LINCOLN COUNSELING, PC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | LIQUID PACKAGING SOLUTIONS INC. | LA PORTE, IN | 1st Source Bank |
| $150,000–350,000 | LJ HENDERSON INC | WATERLOO, IN | 1st Source Bank |
| $150,000–350,000 | LML AUTOMATED SYSTEMS, INC. | CHESTERTON, IN | 1st Source Bank |
| $150,000–350,000 | LMP CORPORATION | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | LMSG LOGISTICS, INC. | ROLLING MEADOWS, IL | 1st Source Bank |
| $150,000–350,000 | LOCAL MARKETING SOLUTIONS GROUP INCORPORATED | ROLLING MEADOWS, IL | 1st Source Bank |
| $150,000–350,000 | LOCHMANDY LOWERY DEALER DEVELOPMENT LLC | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | LOGISTICK INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | LUCATA CORPORATION | NEW YORK, NY | 1st Source Bank |
| $150,000–350,000 | MAB EVENTS CORP | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | MAC ENGINEERING & EQUIPMENT COMPANY, INC | BENTON HARBOR, MI | 1st Source Bank |
| $350,000–1 million | MACK TOOL & ENGINEERING , INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | MADISON MANUFACTURING INC. | BREMEN, IN | 1st Source Bank |
| $150,000–350,000 | MAGIC GLASS HOLDINGS, LLC | LAFAYETTE, IN | 1st Source Bank |
| $150,000–350,000 | MAIN STREET MANAGEMENT LLC | LAFAYETTE, IN | 1st Source Bank |
| $350,000–1 million | MAITLAND ENGINEERING INC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | MAJESTIC SECURITY INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | MAMO TRANSPORTATION INC | OSCEOLA, IN | 1st Source Bank |
| $150,000–350,000 | MARKET FRESH GOURMET, INC. | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | MARQUISS ELECTRIC, INC. | MICHIGAN CITY, IN | 1st Source Bank |
| $350,000–1 million | MARSHALL-STARKE DEVELOPMENT CENTER | PLYMOUTH, IN | 1st Source Bank |
| $1–2 million | MARTIN & COMPANY EXCAVATING | OREGON, IL | 1st Source Bank |
| $150,000–350,000 | MAVRON, INC | WARSAW, IN | 1st Source Bank |
| $350,000–1 million | MAY OBERFELL AND LORBER | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | MCDANIELS CYCLES, INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | MCDONALD CARTER CORP | WARSAW, IN | 1st Source Bank |
| $150,000–350,000 | MCINTOSH ENERGY COMPANY, INC | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | MCLAUGHLIN SERVICES, LLC | AVILLA, IN | 1st Source Bank |
| $150,000–350,000 | MCMANN ELECTRIC INC | OSCEOLA, IN | 1st Source Bank |
| $2–5 million | MDD, INC | COMMERCE CITY, CO | 1st Source Bank |
| $150,000–350,000 | MEISE CONSTRUCTION INC | SAUK CITY, WI | 1st Source Bank |
| $150,000–350,000 | MET-PAK SPECIALTIES, CORPORATION | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | MEYER GLASS & MIRROR CO., INC. | MICHIGAN CITY, IN | 1st Source Bank |
| $150,000–350,000 | MGE WHOLESALE INC. | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | MICHIANA CONTRACTING INC | PLYMOUTH, IN | 1st Source Bank |
| $350,000–1 million | MICHIANA GLOBAL MOLD LLC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | MICHIANA PUBLIC BROADCASTING CORPORATION | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | MICHIANA SHEET METAL LLC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | MICHIANA SPINE, SPORTS, & OCCUPATIONAL REHAB PC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | MID STATES CONSTRUCTION INC | ELKHART, IN | 1st Source Bank |
| $1–2 million | MID-CITY SUPPLY CO, INC | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | MIDDLEBURY COMMUNITY CHURCH INC. | GOSHEN, IN | 1st Source Bank |
| $2–5 million | MIDLAND ENGINEERING COMPANY INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | MIDWEST SALES AND SERVICE INC. | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | MIDWEST TILE & INTERIORS | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | MIDWEST TURBINE SERVICE LLC | HARTFORD, WI | 1st Source Bank |
| $150,000–350,000 | MIDWEST WHEELCOATERS, LLC | MICHIGAN CITY, IN | 1st Source Bank |
| $350,000–1 million | MIKE'S CUSTOM PAINTING INC | BREMEN, IN | 1st Source Bank |
| $350,000–1 million | MILLENNIUM MACHINERY, INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | MISHAWAKA CATHOLIC SCHOOL | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | MISHAWAKA DOOR LLC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | MISHHOME, LLC | MERRILLVILLE, IN | 1st Source Bank |
| $350,000–1 million | MITO CORPORATION | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | MOBILE MATERIALS, LLC | NORTH LAS VEGAS, NV | 1st Source Bank |
| $150,000–350,000 | MODULAR TECHNICAL SERVICE, INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | MONARCH TEXTILES RENTAL SERVICES | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | MONEYMAILERUSA INCORPORATED | ROLLING MEADOWS, IL | 1st Source Bank |
| $5–10 million | MOR/RYDE INTERNATIONAL INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | MORNING VIEW ASSISTED LIVING LLC | SKOKIE, IL | 1st Source Bank |
| $1–2 million | MOSHAY INC. | LOS ANGELES, CA | 1st Source Bank |
| $1–2 million | MOSSBERG & COMPANY INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | MUDLOVE,LLC | WARSAW, IN | 1st Source Bank |
| $1–2 million | MURKS VILLAGE MARKET INC | SOUTH HAVEN, MI | 1st Source Bank |
| $150,000–350,000 | MURRAY AND MAZUR DENTAL PARTNERSHIP | LAFAYETTE, IN | 1st Source Bank |
| $150,000–350,000 | NANOVIS, LLC | COLUMBIA CITY, IN | 1st Source Bank |
| $150,000–350,000 | NATIONAL CONSOLIDATED CORPORATION | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | NATIONAL ELECTRIC, LLC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | NATIONWIDE JANITORIAL SERVICE INC. | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | NAVARRE HOSPITALITY GROUP LLC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | ND PUB LLC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | NEIGHBORS EDUCATIONAL OPPORTUNITIES, INC. | PORTAGE, IN | 1st Source Bank |
| $350,000–1 million | NELSON EQUIPMENT LTD | BAYTOWN, TX | 1st Source Bank |
| $350,000–1 million | NELSONS INC | WAKARUSA, IN | 1st Source Bank |
| $150,000–350,000 | NEOTI, LLC | BLUFFTON, IN | 1st Source Bank |
| $350,000–1 million | NEPHROLOGY PHYSICIANS LLC | MISHAWAKA, IN | 1st Source Bank |
| $1–2 million | NETWORK PACKAGING GROUP LLC | WARSAW, IN | 1st Source Bank |
| $150,000–350,000 | NEW WESTERN LLC | GLENDALE, AZ | 1st Source Bank |
| $1–2 million | NEXTREMITY SOLUTIONS INC. | WARSAW, IN | 1st Source Bank |
| $350,000–1 million | NEXUS RVS LLC | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | NGMG LLC | BREMEN, IN | 1st Source Bank |
| $1–2 million | NIBLOCK EXCAVATING | BRISTOL, IN | 1st Source Bank |
| $150,000–350,000 | NICK'S PATIO INC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | NIEMEYER MILK TRANSFER, INC. | CEDAR LAKE, IN | 1st Source Bank |
| $150,000–350,000 | NIEZGODSKI PLUMBING INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | NORTH AMERICAN COLD STORAGE INC. | WOODBURN, IN | 1st Source Bank |
| $1–2 million | NORTH AMERICAN SIGNS INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | NORTH CENTRAL MECHANICAL INC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | NORTH CENTRAL PALLETS INC | ARGOS, IN | 1st Source Bank |
| $350,000–1 million | NORTH CENTRAL VETERINARY EMERGENCY CENTER | WESTVILLE, IN | 1st Source Bank |
| $150,000–350,000 | NORTH POINT PEDIATRIC DENTISTRY PC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | NORTHERN ELECTRIC COMPANY INC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | NORTHERN INDIANA AMBULATORY SURGERY CENTER LLC | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | NORTHERN INDIANA ANESTHESIA SERVICES, P.C. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | NORTHERN INDIANA HISTORICAL SOCIETY, INC | SOUTH BEND, IN | 1st Source Bank |
| $350,000–1 million | NORTHERN INDIANA INTERIM HEALTHCARE COMPANY LLC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | NORTHWEST INDIANA EYE & LASER CENTER, P.C. | VALPARAISO, IN | 1st Source Bank |
| $150,000–350,000 | NURSES ETC LLC | WARSAW, IN | 1st Source Bank |
| $350,000–1 million | OBECO INC. | ELKHART, IN | 1st Source Bank |