| $350,000–1 million | SOUTHWEST NEPHROLOGY ASSOCIATES, S.C. | EVERGREEN PARK, IL | First Midwest Bank |
| $350,000–1 million | SOUTHWEST PEDIATRICS LTD | PALOS PARK, IL | First Midwest Bank |
| $150,000–350,000 | SOUTHWEST PHYSICAL THERAPY AND REHABILITATION, LTD. | OAK LAWN, IL | First Midwest Bank |
| $150,000–350,000 | SPANISH COALITION FOR HOUSING | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | SPEEDWAY AUTO LTD | JOLIET, IL | First Midwest Bank |
| $150,000–350,000 | SPEEDY GONZALEZ LANDSCAPING | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | SPILL-STOP MFG LLC | MELROSE PARK, IL | First Midwest Bank |
| $350,000–1 million | SPORTS SPECIALISTS OF MILWAUKEE, INC. | GERMANTOWN, WI | First Midwest Bank |
| $150,000–350,000 | SPORTSFIELDS, INC. | BLUE ISLAND, IL | First Midwest Bank |
| $1–2 million | SPRING-GREEN ENTERPRISES, INC | PLAINFIELD, IL | First Midwest Bank |
| $150,000–350,000 | SPRINGFIELD CARE CENTER LLC | LINCOLNWOOD, IL | First Midwest Bank |
| $150,000–350,000 | SQUARE KITCHEN, LLC | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | SRH MARKETING | MILWAUKEE, WI | First Midwest Bank |
| $350,000–1 million | SRW ACQUISITION, LLC | MILWAUKEE, WI | First Midwest Bank |
| $150,000–350,000 | SSC ON 95TH ST INC | EVERGREEN PARK, IL | First Midwest Bank |
| $150,000–350,000 | SSS MILWAUKEE LLC | SKOKIE, IL | First Midwest Bank |
| $150,000–350,000 | ST JANE DECHANTAL CHURCH/CATHOLIC BISHOP OF CHICAGO | CHICAGO, IL | First Midwest Bank |
| $1–2 million | ST MARCUS EVANGELICAL LUTHERAN CHURCH, INC. | MILWAUKEE, WI | First Midwest Bank |
| $350,000–1 million | ST PAUL SEAFOOD LLC | MILWAUKEE, WI | First Midwest Bank |
| $150,000–350,000 | ST PAUL THE APOSTLE | JOLIET, IL | First Midwest Bank |
| $150,000–350,000 | ST. AGNES CHURCH | CHICAGO HEIGHTS, IL | First Midwest Bank |
| $150,000–350,000 | ST. ANASTASIA CHURCH | WAUKEGAN, IL | First Midwest Bank |
| $1–2 million | ST. AUGUSTINE COLLEGE | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | ST. BENEDICT CHURCH | BLUE ISLAND, IL | First Midwest Bank |
| $150,000–350,000 | ST. CATHERINE OF ALEXANDRIA | OAK LAWN, IL | First Midwest Bank |
| $150,000–350,000 | ST. CHARLES FAMILY DENTISTRY LTD. | ST CHARLES, IL | First Midwest Bank |
| $350,000–1 million | ST. ELIZABETH MANOR, INC. | FOOTVILLE, WI | First Midwest Bank |
| $150,000–350,000 | ST. FRANCIS DESALES HIGH SCHOOL | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | ST. FRANCIS OF ASSISI | ORLAND PARK, IL | First Midwest Bank |
| $150,000–350,000 | ST. GEORGE CHURCH | TINLEY PARK, IL | First Midwest Bank |
| $150,000–350,000 | ST. GERMAINE PARISH | OAK LAWN, IL | First Midwest Bank |
| $150,000–350,000 | ST. JAMES LUTHERAN CHURCH AND SCHOOL | CHICAGO, IL | First Midwest Bank |
| $350,000–1 million | ST. JOSEPH HIGH SCHOOL | WESTCHESTER, IL | First Midwest Bank |
| $150,000–350,000 | ST. JOSEPH SCHOOL | ROUND LAKE, IL | First Midwest Bank |
| $350,000–1 million | ST. MARY'S CHURCH OF PLAINFIELD | PLAINFIELD, IL | First Midwest Bank |
| $150,000–350,000 | ST. PATRICIA CHURCH | HICKORY HILLS, IL | First Midwest Bank |
| $350,000–1 million | ST. PATRICK CHURCH | WADSWORTH, IL | First Midwest Bank |
| $150,000–350,000 | ST. SCHOLASTICA PARISH | WOODRIDGE, IL | First Midwest Bank |
| $350,000–1 million | STAHELIN ENTERPRISES, LP | GLEN ELLYN, IL | First Midwest Bank |
| $350,000–1 million | STAIR ONE INC | LAKE FOREST, IL | First Midwest Bank |
| $1–2 million | STAMAR PACKAGING, INC. | ELGIN, IL | First Midwest Bank |
| $350,000–1 million | STANDARD EQUIPMENT COMPANY | CHICAGO, IL | First Midwest Bank |
| $350,000–1 million | STAR MOULDING AND TRIM | BEDFORD PARK, IL | First Midwest Bank |
| $350,000–1 million | STARK & SON TRENCHING, INC | HAMPSHIRE, IL | First Midwest Bank |
| $150,000–350,000 | STAY, INC. | CHICAGO, IL | First Midwest Bank |
| $350,000–1 million | STEAMATIC CHICAGO SW INC. | ALSIP, IL | First Midwest Bank |
| $350,000–1 million | STEAMFITTERS TRAINING SCHOOL, INC | MILWAUKEE, WI | First Midwest Bank |
| $150,000–350,000 | STEINMAN INC DBA PARK ACE HARDWARE | TINLEY PARK, IL | First Midwest Bank |
| $150,000–350,000 | STERLING COMMERCE GROUP INC | MENOMONEE FALLS, WI, WI | First Midwest Bank |
| $350,000–1 million | STERLING LAW OFFICES, S.C. | MENOMONEE FALLS, WI, WI | First Midwest Bank |
| $150,000–350,000 | STERLINGLAWYERS.COM LLC | MENOMONEE FALLS, WI, WI | First Midwest Bank |
| $150,000–350,000 | STOLLER IMPORTS INC | PALATINE, IL | First Midwest Bank |
| $150,000–350,000 | STONE DIMENSIONS, INC. | PEWAUKEE, WI | First Midwest Bank |
| $150,000–350,000 | STONE LIGHTING, LLC | FLOSSMOOR, IL | First Midwest Bank |
| $350,000–1 million | STONEBRIDGE CONSULTING GROUP LLC | WARRENVILLE, IL | First Midwest Bank |
| $350,000–1 million | STRATA-TAC, INC. | ST CHARLES, IL | First Midwest Bank |
| $350,000–1 million | STREETERVILE HARDWARE INC. | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | STROMBERG ALLEN AND COMPANY | TINLEY PARK, IL | First Midwest Bank |
| $150,000–350,000 | STUCK WOOD WORKS, INC. | MILWAUKEE, WI | First Midwest Bank |
| $350,000–1 million | STYLELINE CUSTOM CABINETRY | LOCKPORT, IL | First Midwest Bank |
| $150,000–350,000 | SUBURBAN SLEEP AND PULMONARY MEDICINE, SC | FOX RIVER GROVE, IL | First Midwest Bank |
| $1–2 million | SULLIVAN ROOFING, INC. | SCHAUMBURG, IL | First Midwest Bank |
| $5–10 million | SUMMIT STAFFING | OAK BROOK, IL | First Midwest Bank |
| $350,000–1 million | SUPER WASH INC | MORRISON, IL | First Midwest Bank |
| $350,000–1 million | SUPERIOR CORP OF ILLINOIS | ELK GROVE VILLAGE, IL | First Midwest Bank |
| $150,000–350,000 | SUPERIOR FLOOR COVERING INC | FRANKFORT, IL | First Midwest Bank |
| $150,000–350,000 | SURGERY CENTER OF MUNSTER LLC | MUNSTER, IN | First Midwest Bank |
| $150,000–350,000 | SWARMING TECHNOLOGY LLC | MILWAUKEE, WI | First Midwest Bank |
| $150,000–350,000 | SWEET MANDY B'S LLC | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | SWS SERVICES, LLC | NAPERVILLE, IL | First Midwest Bank |
| $1–2 million | SYBARIS CLUBS INTERNATIONAL, INC. | ARLINGTON HEIGHTS, IL | First Midwest Bank |
| $150,000–350,000 | SYRIAN AMERICAN MEDICAL SOCIETY FOUNDATION | WASHINGTON, DC | First Midwest Bank |
| $150,000–350,000 | SYSTEM TECHNOLOGY, INC. | JOLIET, IL | First Midwest Bank |
| $1–2 million | T&K, LP | GILROY, CA | First Midwest Bank |
| $150,000–350,000 | T&L MANUFACTURING CORPORATION | AURORA, IL | First Midwest Bank |
| $150,000–350,000 | T&S SERVICES INC. | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | T.A.C. | SUMMIT, IL | First Midwest Bank |
| $1–2 million | T.M. TIRE CO., INC. | CRESTWOOD, IL | First Midwest Bank |
| $150,000–350,000 | TACKNOLOGIES, LTD. | WOODRIDGE, IL | First Midwest Bank |
| $150,000–350,000 | TAE'NI CHANG-STROMAN, MD, PC | DYER, IN | First Midwest Bank |
| $1–2 million | TAILORED LABEL PRODUCTS, INC. | MENOMONEE FALLS, WI | First Midwest Bank |
| $2–5 million | TAL-MAR CUSTOM METAL FABRICATORS, INC. | CRESTWOOD, IL | First Midwest Bank |
| $350,000–1 million | TALAHI NURSING AND REHAB | SAINT CLOUD, MN | First Midwest Bank |
| $2–5 million | TALERICO-MARTIN CORPORATION | SUMMIT ARGO, IL | First Midwest Bank |
| $350,000–1 million | TALRO INSURANCE AGENCY, INC | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | TANGO SUR INC | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | TAPEMAN | SOUTH LYON, MI | First Midwest Bank |
| $350,000–1 million | TCL INDUSTRIES | NORTH AURORA, IL | First Midwest Bank |
| $1–2 million | TECHNIPAQ, INC. | CRYSTAL LAKE, IL | First Midwest Bank |
| $150,000–350,000 | TECHNOCO INC | MATTESON, IL | First Midwest Bank |
| $150,000–350,000 | TECORP, INC. | JOLIET, IL | First Midwest Bank |
| $350,000–1 million | TEMPS PDQ | STONE PARK, IL | First Midwest Bank |
| $2–5 million | TEMPSNOW EMPLOYMENT & PLACEMENT SERVICES, LLC | GURNEE, IL | First Midwest Bank |
| $150,000–350,000 | TEQ SALES, INC. | ELGIN, IL | First Midwest Bank |
| $350,000–1 million | TESKO WELDING AND MANUFACTURING CO., INC | NORRIDGE, IL | First Midwest Bank |
| $350,000–1 million | TESSLER CONSTRUCTION COMPANY, INC. | BULL VALLEY, IL | First Midwest Bank |
| $1–2 million | THE ADMIRAL AT THE LAKE | CHICAGO, IL | First Midwest Bank |
| $150,000–350,000 | THE AMERICAN GROUP, INC. | LANSING, IL | First Midwest Bank |
| $150,000–350,000 | THE ANIMAL HOSPITAL OF GURNEE PC | WADSWORTH, IL | First Midwest Bank |
| $350,000–1 million | THE BEDDING GROUP, INC | ROCK ISLAND, IL | First Midwest Bank |