| $150,000–350,000 | SIGHT EYE CLINIC | ZEELAND, MI | TCF National Bank |
| $350,000–1 million | SIGNATURE ASSOCIATES, INC. | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | SIGNATURE FORD OF PERRY, L.L.C. | PERRY, MI | TCF National Bank |
| $150,000–350,000 | SIKKEMA'S EQUIPMENT INC | BYRON CENTER, MI | TCF National Bank |
| $350,000–1 million | SIMON WELLNESS, LLC | SEATTLE, WA | TCF National Bank |
| $150,000–350,000 | SINBAD GRAND CAFE | OAK PARK, MI | TCF National Bank |
| $350,000–1 million | SINGLETON CONSTRUCTION, LLC | CANAL WINCHESTER, OH | TCF National Bank |
| $150,000–350,000 | SJ PAYROLL | SHELBY TWP, MI | TCF National Bank |
| $2–5 million | SKILLED MANUFACTURING, INC. | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | SKIP PRINTING & DUPLICATING COMPANY | ROSEVILLE, MI | TCF National Bank |
| $350,000–1 million | SLAVIK ENTERPRISES, L.L.C. | FRANKLIN, MI | TCF National Bank |
| $150,000–350,000 | SLEEP DOCTOR LLC | WYOMING, MI | TCF National Bank |
| $150,000–350,000 | SLF PACKING, INC | HARTFORD, MI | TCF National Bank |
| $150,000–350,000 | SLH METALS INC | CORUNNA, MI | TCF National Bank |
| $2–5 million | SLIFCO ELECTRIC, L.L.C. | TROY, MI | TCF National Bank |
| $150,000–350,000 | SLINGERLAND CHRYSLER DODGE, INC. | CORUNNA, MI | TCF National Bank |
| $2–5 million | SMITH HAUGHEY RICE ROEGGE, P.C. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | SMITH MANAGEMENT SERVICES, INC. | BEAVERTON, MI | TCF National Bank |
| $150,000–350,000 | SMITHSON WINE AND SPIRITS | HOMEWOOD, IL | TCF National Bank |
| $150,000–350,000 | SNACKWERKS OF MICHIGAN, LLC | BATTLE CREEK, MI | TCF National Bank |
| $1–2 million | SNELLER'S LANDSCAPING, LLC | BYRON CENTER, MI | TCF National Bank |
| $150,000–350,000 | SOBER STAFFING LLC | MT. CLEMENS, MI | TCF National Bank |
| $150,000–350,000 | SOCIETY FOR CHRISTIAN INSTRUCTION AT ALLENDALE, MICH. | ALLENDALE, MI | TCF National Bank |
| $1–2 million | SOLI-BOND INC | BAY CITY, MI | TCF National Bank |
| $350,000–1 million | SOLUTIONS PLUS (+) CONSULTING, INC. | FREELAND, MI | TCF National Bank |
| $1–2 million | SOMERSET COLLECTION LIMITED PARTNERSHIP | SOUTHFIELD, MI | TCF National Bank |
| $350,000–1 million | SOMERSET INN LLC | TROY, MI | TCF National Bank |
| $350,000–1 million | SONRISE CLIPPERS LLC | ZEELAND, MI | TCF National Bank |
| $150,000–350,000 | SOPRIS LODGING, LLC | DENVER, CO | TCF National Bank |
| $150,000–350,000 | SOTORION CORPORATION | TROY, MI | TCF National Bank |
| $1–2 million | SOUNDTECH INC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | SOUTH AVENUE ASSISTED LIVING LLC | BOARDMAN, OH | TCF National Bank |
| $350,000–1 million | SOUTH CHRISTIAN HIGH SCHOOL | BYRON CENTER, MI | TCF National Bank |
| $150,000–350,000 | SOUTH REGION FINANCIAL LLC | MIAMI, FL | TCF National Bank |
| $350,000–1 million | SOUTH SHORE TOOL & DIE, INC. | BENTON HARBOR, MI | TCF National Bank |
| $150,000–350,000 | SOUTH SHORE WOMEN'S HEALTH CARE, P.C. | SAINT JOSEPH, MI | TCF National Bank |
| $350,000–1 million | SOUTHEAST MICHIGAN SURGICAL HOSPITAL LLC | WARREN, MI | TCF National Bank |
| $350,000–1 million | SOUTHFIELD RADIOLOGY ASSOCIATES | NOVI, MI | TCF National Bank |
| $350,000–1 million | SOUTHKENT VETERINARY HOSPITAL, P.C. | CALEDONIA, MI | TCF National Bank |
| $350,000–1 million | SOUTHPORT TRUCKING, INC. | HOLLAND, MI | TCF National Bank |
| $150,000–350,000 | SOUTHWEST PEDIATRICS | LIVONIA, MI | TCF National Bank |
| $150,000–350,000 | SOUTHWESTERN MICHIGAN LUTHERAN HIGH SCHOOL FOUNDATION, INC. | SAINT JOSEPH, MI | TCF National Bank |
| $150,000–350,000 | SPARKLE ENTERPRISES LLC | BENTON HARBOR, MI | TCF National Bank |
| $350,000–1 million | SPARTAN DISTRIBUTORS, INC. | SPARTA, MI | TCF National Bank |
| $150,000–350,000 | SPARTAN PRECISION MACHINING, INC. | WIXOM, MI | TCF National Bank |
| $150,000–350,000 | SPE UTILIT CONTRACTORS FD, LLC | PORT HURON, MI | TCF National Bank |
| $350,000–1 million | SPE UTILITY CONTRACTORS L.L.C. | PORT HURON, MI | TCF National Bank |
| $150,000–350,000 | SPECIALIZED DEMOLITION INC | HAMILTON, MI | TCF National Bank |
| $150,000–350,000 | SPECTRUM REHABILITATION CENTERS, INC. | SOUTHFIELD, MI | TCF National Bank |
| $2–5 million | SPEEDWRENCH INC | HUDSONVILLE, MI | TCF National Bank |
| $1–2 million | SPEN-TECH MACHINE ENGINEERING CORPORATION | FLINT, MI | TCF National Bank |
| $150,000–350,000 | SPERRY'S MOVIEHOUSE HOLLAND, LLC | HOLLAND, MI | TCF National Bank |
| $150,000–350,000 | SPERRY'S THEATRE OPERATIONS, LLC | ZEELAND, MI | TCF National Bank |
| $2–5 million | SPIRAL BINDING LLC | TOTOWA, NJ | TCF National Bank |
| $1–2 million | SPM MARKETING & COMMUNICATIONS, LLC | LA GRANGE, IL | TCF National Bank |
| $350,000–1 million | SPORTS ARENA FITNESS, LLC | PHOENIX, AZ | TCF National Bank |
| $150,000–350,000 | SPRINGFIELD INDUSTRIES, LLC | IMLAY, MI | TCF National Bank |
| $150,000–350,000 | SPRINGLINE EXCAVATING, LLC | FARMINGTON, MI | TCF National Bank |
| $350,000–1 million | SPRINGTHROUGH CONSULTING, LLC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | SPV COACH COMPANY, INC. | KANSAS CITY, KS | TCF National Bank |
| $350,000–1 million | SQUARE JACK, LLC | SAGINAW, MI | TCF National Bank |
| $350,000–1 million | SQUARE ONE ENGINEERING, LLC | TALLMADGE, OH | TCF National Bank |
| $350,000–1 million | SRS PHARMACY SYSTEMS, INC. | CARO, MI | TCF National Bank |
| $150,000–350,000 | ST JOSEPH PARISH | MANISTEE, MI | TCF National Bank |
| $150,000–350,000 | ST PAUL PARISH OWOSSO | OWOSSO, MI | TCF National Bank |
| $150,000–350,000 | ST. AUGUSTINE PARISH | RICHMOND, MI | TCF National Bank |
| $150,000–350,000 | ST. BRIGID OF KILDARE CATHOLIC CHURCH | MIDLAND, MI | TCF National Bank |
| $150,000–350,000 | ST. CLAIR MEDICAL PC | PORT HURON, MI | TCF National Bank |
| $350,000–1 million | ST. JAMES LUTHERAN CHURCH | CRYSTAL, MN | TCF National Bank |
| $150,000–350,000 | ST. JOHN'S EV LUTHERAN CHURCH | MILWAUKEE, WI | TCF National Bank |
| $150,000–350,000 | ST. MARY ST. PAUL PARISH | BIG RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | ST. MARY'S CHURCH | LAKE LEELANAU, MI | TCF National Bank |
| $350,000–1 million | ST. PETER CATHOLIC CHURCH | MOUNT CLEMENS, MI | TCF National Bank |
| $350,000–1 million | STAFF FINDERS, INC. | TROY, MI | TCF National Bank |
| $150,000–350,000 | STAFFBRIGHT CORP | BLOOMFIELD HILLS, MI | TCF National Bank |
| $150,000–350,000 | STANDARD B & L, LLC | ANN ARBOR, MI | TCF National Bank |
| $350,000–1 million | STANDARD DIE INTERNATIONAL, INC. | LIVONIA, MI | TCF National Bank |
| $350,000–1 million | STANDARD TOOL & DIE, INC. | STEVENSVILLE, MI | TCF National Bank |
| $150,000–350,000 | STANDARD WASTE SERVICES LLC | DETROIT, MI | TCF National Bank |
| $150,000–350,000 | STAR FOODS & GENERAL MERCHANDISE, INC. | BEACHWOOD, OH | TCF National Bank |
| $350,000–1 million | STAR LINE MACKINAC ISLAND FERRY SERVICE, INC. | SAINT IGNACE, MI | TCF National Bank |
| $150,000–350,000 | STAR LINE TRUCKING CORPORATION | NEW BERLIN, WI | TCF National Bank |
| $350,000–1 million | STARR COMMONWEALTH | ALBION, MI | TCF National Bank |
| $150,000–350,000 | STARSHIP ENTERTAINMENT, L.L.C. | MACKINAC ISLAND, MI | TCF National Bank |
| $150,000–350,000 | STATE LINE PLUMBING & HEATING, INC. | NEW MIDDLETOWN, OH | TCF National Bank |
| $150,000–350,000 | STATE SPRING SERVICE, INCORPORATED | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | STATE STREET GRILL, LTD | SAGINAW, MI | TCF National Bank |
| $350,000–1 million | STATEWIDE BORING & MACHINE, INC. | BELLEVILLE, MI | TCF National Bank |
| $150,000–350,000 | STEALTHCRAFT BOATS LLC | BALDWIN, MI | TCF National Bank |
| $150,000–350,000 | STEEPLETOWN NEIGHBORHOOD SERVICES | GRAND RAPIDS, MI | TCF National Bank |
| $2–5 million | STEERE ENTERPRISES, INC. | TALLMADGE, OH | TCF National Bank |
| $150,000–350,000 | STEHLER STRUCTURAL ENGINEERING | SAINT PAUL, MN | TCF National Bank |
| $350,000–1 million | STEPHENSON ELECTRIC CO. | PORT HURON, MI | TCF National Bank |
| $150,000–350,000 | STERLING DEVELOPMENT CORPORATION | BLOOMFIELD HILLS, MI | TCF National Bank |
| $150,000–350,000 | STEVE HYDE TRUCKING, L.L.C | KIMBALL, MI | TCF National Bank |
| $350,000–1 million | STEWART ACQUISITION LLC | TWINSBURG, OH | TCF National Bank |
| $150,000–350,000 | STEWART'S APPLIANCES | ELYRIA, OH | TCF National Bank |
| $150,000–350,000 | STMP GROUP, LLC | CARO, MI | TCF National Bank |
| $2–5 million | STONE PLASTICS & MFG. INC. | ZEELAND, MI | TCF National Bank |
| $2–5 million | STONE TRANSPORT LIMITED PARTNERSHIP | SAGINAW, MI | TCF National Bank |