| $350,000–1 million | C & B CUSTOM MODULAR, INC. | BRISTOL, IN | 1st Source Bank |
| $1–2 million | C & D HUGHES, INCORPORATED | CHARLOTTE, MI | 1st Source Bank |
| $1–2 million | C & S MACHINE PRODUCTS INC | NILES, MI | 1st Source Bank |
| $350,000–1 million | C F B INC. | BRISTOL, IN | 1st Source Bank |
| $350,000–1 million | CADDO CONNECTIONS INC | LA PORTE, IN | 1st Source Bank |
| $150,000–350,000 | CAGLE INDUSTRIAL SYSTEMS MAINTENANCE INC | VALPARAISO, IN | 1st Source Bank |
| $150,000–350,000 | CALIENTE LLC | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | CALIFORNIA RENT A CAC | CULVER CITY, CA | 1st Source Bank |
| $150,000–350,000 | CAPITAL LEASE GROUP LTD | BROCKTON, MA | 1st Source Bank |
| $150,000–350,000 | CARIBBEAN LEASING AND ECO TRANSPORTATION LLC | ST THOMAS, VI | 1st Source Bank |
| $350,000–1 million | CASS HUDSON CO. INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | CAST COATINGS INC | GALIEN, MI | 1st Source Bank |
| $150,000–350,000 | CASTLETON VILLAGE CENTER INC | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | CATHERINE KASPER LIFE CENTER, INC. | PLYMOUTH, IN | 1st Source Bank |
| $150,000–350,000 | CAVANAUGH AND NONDORF ORTHODONTICS PC | VALPARAISO, IN | 1st Source Bank |
| $150,000–350,000 | CD CORP | NAPPANEE, IN | 1st Source Bank |
| $350,000–1 million | CEDAR CREEK LOGGING INC | BLOUNTSTOWN, FL | 1st Source Bank |
| $150,000–350,000 | CENTERLINE MECHANICAL CONTRACTING, INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | CENTRAL INDIANA GLASS AND GLAZING INC. | LAFAYETTE, IN | 1st Source Bank |
| $1–2 million | CENTURY FOAM LLC | ELKHART, IN | 1st Source Bank |
| $1–2 million | CERES ENVIRONMENTAL INC. | LAKEWOOD RANCH, FL | 1st Source Bank |
| $2–5 million | CERES ENVIRONMENTAL SERVICES | MINNEAPOLIS, MN | 1st Source Bank |
| $150,000–350,000 | CHARLIES GROUP LLC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | CHILDRENS THERAPY INNOVATIONS INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | CHRIS & CHRIS INC. | PLYMOUTH, IN | 1st Source Bank |
| $350,000–1 million | CHRIST THE KING CHURCH | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | CHRISTEN SOUERS, LLC | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | CHRISTYS AUTO RENTALS INC | JOHNSTON, RI | 1st Source Bank |
| $350,000–1 million | CHUCK JAQUA REALTORS INC. | PORTAGE, MI | 1st Source Bank |
| $150,000–350,000 | CHURCH PLUMBING & HEATING, INC. | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | CIM TECH INC | VALPARAISO, IN | 1st Source Bank |
| $350,000–1 million | CITY PATTERN AND FOUNDRY COMPANY INC | GRANGER, IN | 1st Source Bank |
| $350,000–1 million | CLEAN-SEAL INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | CMS ROOFING INC | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | CNM ENTERPRISES INC | SODDY DAISY, TN | 1st Source Bank |
| $150,000–350,000 | COASTAL VALLEY WATER COMPANY | VALPARAISO, IN | 1st Source Bank |
| $150,000–350,000 | COFFEL VENDING COMPANY | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | COIT AVENUE GRAVEL CO INC | GRAND RAPIDS, MI | 1st Source Bank |
| $350,000–1 million | COMMERCIAL STRUCTURES OF INDIANA CORP | NAPPANEE, IN | 1st Source Bank |
| $350,000–1 million | COMMUNICATION COMPANY OF SOUTH BEND | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | COMMUNITY TRANSPORTATION NETWORK, INC. | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | CONQUEST USA, INC. | VIRGINIA BEACH, VA | 1st Source Bank |
| $350,000–1 million | CONTAINER SERVICE CORP. | SOUTH BEND, IN | 1st Source Bank |
| $1–2 million | CONTINENTAL ELECTRIC COMPANY INC | GARY, IN | 1st Source Bank |
| $350,000–1 million | CONTINENTAL INDUSTRIES INC | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | COOK METZ II, LLC | NAPPANEE, IN | 1st Source Bank |
| $350,000–1 million | COOK METZ, LLC | LIGONIER, IN | 1st Source Bank |
| $350,000–1 million | COOLEY CO. | ANCHORAGE, AK | 1st Source Bank |
| $350,000–1 million | COPPER MOON COFFEE | LAFAYETTE, IN | 1st Source Bank |
| $150,000–350,000 | COR-A-VENT INC. | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | CORE MECHANICAL SERVICES INCORPORATED | WARSAW, IN | 1st Source Bank |
| $150,000–350,000 | CORE WOOD COMPONENTS LLC | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | CORPORATE WINGS LLC | CLEVELAND, OH | 1st Source Bank |
| $150,000–350,000 | CORPORATE WINGS-SBN LLC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | COULTER & SON, INC. | MIDDLEBURY, IN | 1st Source Bank |
| $150,000–350,000 | CRAFT STATION, INC. | NEW CARLISLE, IN | 1st Source Bank |
| $350,000–1 million | CRAFTECH BUILDING SYSTEMS, INC. | NAPPANEE, IN | 1st Source Bank |
| $1–2 million | CRAFTLINE GRAPHICS INC | FORT WAYNE, IN | 1st Source Bank |
| $1–2 million | CRANE INDUSTRIAL SERVICE CO. INC. | GRANGER, IN | 1st Source Bank |
| $350,000–1 million | CROC INC. | FORT WAYNE, IN | 1st Source Bank |
| $350,000–1 million | CRYSTAL INDUSTRIES, INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | CSD GROUP INC. | NEW HAVEN, IN | 1st Source Bank |
| $150,000–350,000 | CUSTOM DESIGNERS | PORTAGE, IN | 1st Source Bank |
| $350,000–1 million | CUSTOM ENGINEERING & FABRICATION, INC. | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | CUSTOM MACHINE MOTIONEERING INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | CUSTOM PLASTICS INC | ONTARIO, CA | 1st Source Bank |
| $150,000–350,000 | D & M EXCAVATING INC. | MICHIGAN CITY, IN | 1st Source Bank |
| $350,000–1 million | D & N SERVICES INC. | ASTORIA, NY | 1st Source Bank |
| $2–5 million | D A DODD LLC | ROLLING PRAIRIE, IN | 1st Source Bank |
| $1–2 million | DAMAN PRODUCTS COMPANY INC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | DARKHORSE CARGO INC | WHITE PIGEON, MI | 1st Source Bank |
| $150,000–350,000 | DAWA ENTERPRISES 2 INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | DE BOER EGOLF CORPORATION | PORTAGE, IN | 1st Source Bank |
| $350,000–1 million | DEC-O-ART INC | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | DECATUR DIAMOND, LLC | DECATUR, IN | 1st Source Bank |
| $2–5 million | DELPHI PRODUCTIONS INC | ALAMEDA, CA | 1st Source Bank |
| $1–2 million | DELTA LEASING, LLC | ANCHORAGE, AK | 1st Source Bank |
| $350,000–1 million | DERBY INC | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | DESTINY MANAGEMENT INC. | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | DIAMOND H TRENCHING INC | PONDER, TX | 1st Source Bank |
| $350,000–1 million | DIAMOND PROPERTIES MGMT, INC. | ELKHART, IN | 1st Source Bank |
| $350,000–1 million | DIEKEMA HAMANN ARCHITECTS INC | KALAMAZOO, MI | 1st Source Bank |
| $350,000–1 million | DIGBY ADLER GROUP LLC | SAN FRANCISCO, CA | 1st Source Bank |
| $350,000–1 million | DIOCESE OF FORT WAYNE SOUTH BEND, INC. | FORT WAYNE, IN | 1st Source Bank |
| $150,000–350,000 | DIVERSE LOGISTICS & DISTRIBUTION INC | TAMPA, FL | 1st Source Bank |
| $150,000–350,000 | DIVERSIFIED VAPOR TECHNOLOGIES, LTD | CORPUS CHRISTI, TX | 1st Source Bank |
| $2–5 million | DIXON BROS INC | NEWCASTLE, WY | 1st Source Bank |
| $150,000–350,000 | DSS VALVE PRODUCTS, INC. | NILES, MI | 1st Source Bank |
| $150,000–350,000 | DT KIRBYS STREET FOOD LLC | LAFAYETTE, IN | 1st Source Bank |
| $350,000–1 million | DUDECK ROOFING AND SHEET METAL | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | DULEY PRESS INC. | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | DUNELAND NEPHROLOGY, PC | CHESTERTON, IN | 1st Source Bank |
| $150,000–350,000 | DUNELAND YMCA INC. | CHESTERTON, IN | 1st Source Bank |
| $1–2 million | DYKEMA EXCAVATORS, INC. | GRAND RAPIDS, MI | 1st Source Bank |
| $1–2 million | DYNAMIC MECHANICAL SERVICES INC | MISHAWAKA, IN | 1st Source Bank |
| $150,000–350,000 | E T & T ENTERPRISES, INC. | ELKHART, IN | 1st Source Bank |
| $150,000–350,000 | E5 EQUITY PARTNERS LLC | NILES, MI | 1st Source Bank |
| $350,000–1 million | EARLY CHILDHOOD DEVELOPMENT CENTER | NOTRE DAME, IN | 1st Source Bank |
| $350,000–1 million | EARTH BUILDERS LP | HURST, TX | 1st Source Bank |
| $150,000–350,000 | EARTH REPAIR, LLC | MANORVILLE, NY | 1st Source Bank |