| $350,000–1 million | COMMUNICATION COMPANY OF SOUTH BEND INC. | South Bend, IN | 1st Source Bank |
| $350,000–1 million | COMMUNICATION COMPANY OF SOUTH BEND, INC. | SOUTH BEND, IN | 1st Source Bank |
| $150,000–350,000 | COMMUNITY TRANSPORTATION NETWORK INC | Fort Wayne, 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 |
| $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 | 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 |
| $150,000–350,000 | CORPORATE WINGS - SBN LLC | South Bend, IN | 1st Source Bank |
| $350,000–1 million | CORPORATE WINGS LLC | Cleveland, OH | 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 |
| $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 | 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 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 |
| $150,000–350,000 | D & N SERVICES INC | Astoria, NY | 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 |
| $150,000–350,000 | D.C. CRANE SERVICE INC. | Lake Worth, FL | 1st Source Bank |
| $150,000–350,000 | D.C. CRANE SERVICE, INC. | LAKE WORTH, FL | 1st Source Bank |
| $1–2 million | DAMAN PRODUCTS COMPANY INC | Mishawaka, 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 | DAWA ENTERPRISES 4 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 |
| $350,000–1 million | DECATUR DIAMOND, LLC | DECATUR, IN | 1st Source Bank |
| $1–2 million | DELIVERY CONCEPTS INC | Elkhart, IN | 1st Source Bank |
| $150,000–350,000 | DELIVERY CONCEPTS INC | ELKHART, IN | 1st Source Bank |
| $2–5 million | DELPHI PRODUCTIONS INC | ALAMEDA, CA | 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 |
| $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 | DEREK MYERS | Bluffton, IN | 1st Source Bank |
| $150,000–350,000 | DESTINY MANAGEMENT INC. | ELKHART, IN | 1st Source Bank |
| $1–2 million | DETMAR LOGISTICS LLC | San Antonio, TX | 1st Source Bank |
| $350,000–1 million | DIAMOND H TRENCHING INC | Ponder, TX | 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 | 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 | DIGBY ADLER GROUP LLC | San Francisco, CA | 1st Source Bank |
| $1–2 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 |
| $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 |
| $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 |
| $350,000–1 million | DUDECK ROOFING AND SHEET METAL INC. | South Bend, IN | 1st Source Bank |
| $150,000–350,000 | DULEY PRESS INC. | MISHAWAKA, 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 |
| $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 | EARLY CHILDHOOD DEVELOPMENT CENTER INC | 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 |
| $150,000–350,000 | EARTH VIEW LLC | NAPLES, FL | 1st Source Bank |
| $350,000–1 million | EASTERN ENVIRONMENTAL SOLUTIONS INC | MANORVILLE, NY | 1st Source Bank |
| $150,000–350,000 | ECKCO PLASTICS INC | MISHAWAKA, IN | 1st Source Bank |
| $350,000–1 million | EDGE AUTO INC | Brooklyn, NY | 1st Source Bank |
| $350,000–1 million | EDGE AUTO, INC | BROOKLYN, NY | 1st Source Bank |
| $350,000–1 million | EDGE TRANSPORT INC | COLUMBIA CITY, IN | 1st Source Bank |
| $150,000–350,000 | EDGEWATER RESOURCES, LLC | SAINT JOSEPH, MI | 1st Source Bank |
| $350,000–1 million | EDM SERVICES INC. | SIMI VALLEY, CA | 1st Source Bank |
| $1–2 million | ELITE EMERGENCY PHYSICIANS INC | ELKHART, IN | 1st Source Bank |