| $150,000–350,000 | CHICAGO UNIFORMS COMPANY | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHICAGO WOMEN IN TRADES | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHICAGO WOMEN IN TRADES | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHICAGO'S PIZZA INC. DBA CHICAGO'S PIZZA | Chicago, IL | Byline Bank |
| $350,000–1 million | CHICAGOLAND WINDOW & BUILDING PRODUCTS, LLC DBA ESTATES WIND | Lake Bluff, IL | Byline Bank |
| $150,000–350,000 | CHILD CARE CENTER OF EVANSTON | Evanston, IL | Byline Bank |
| $150,000–350,000 | CHILD CARE CENTER OF EVANSTON | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | CHILDCARE NETWORK OF EVANSTON | CHICAGO, IL | Byline Bank |
| $350,000–1 million | CHILDREN & TEENS MEDICAL CENTER, LTD | Schaumburg, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA ASHLAND II, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA ASHLAND II, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA EVANSTON LLC | Evanston, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA EVANSTON, LLC | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA HALSTED, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA HALSTED, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA MANAGEMENT LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA MANAGEMENT, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHR CORP | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHR CORP | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHRISTOPHER STREET LTD. | Chicago, IL | Byline Bank |
| $150,000–350,000 | CHRISTOPHER STREET LTD. | CHICAGO, IL | Byline Bank |
| $2–5 million | CHRISTY WEBBER & COMPANY | CHICAGO, IL | Byline Bank |
| $350,000–1 million | CHUCK'S SOUTHERN COMFORTS CAFE INC | Burbank, IL | Byline Bank |
| $350,000–1 million | CHUCK'S SOUTHERN COMFORTS CAFE INC | BURBANK, IL | Byline Bank |
| $350,000–1 million | CIORBA GROUP, INC. | Chicago, IL | Byline Bank |
| $1–2 million | CJKANTRG MANAGEMENT, LLC | Wyomissing, PA | Byline Bank |
| $2–5 million | CLAIMS RECOVERY FINANCIAL SERVICES, LLC | ALBION, NY | Byline Bank |
| $350,000–1 million | CLAY PLATTE VENTURE GROUP LLC | RIVERSIDE, MO | Byline Bank |
| $350,000–1 million | CLAY PLATTE VENTURE GROUP LLC | RIVERSIDE, MO | Byline Bank |
| $150,000–350,000 | COCULA INC. | Chicago, IL | Byline Bank |
| $150,000–350,000 | COCULA RESTAURANT INC. | Chicago, IL | Byline Bank |
| $150,000–350,000 | COMIDA LLC | Evanston, IL | Byline Bank |
| $150,000–350,000 | COMIDA, LLC | EVANSTON, IL | Byline Bank |
| $1–2 million | COMMERCIAL CARPET CONSULTANTS INC. | Elmhurst, IL | Byline Bank |
| $1–2 million | COMMERCIAL CARPET CONSULTANTS, INC. | ELMHURST, IL | Byline Bank |
| $350,000–1 million | COMMERCIAL FACILITIES MANAGEMENT INC | Greenwood, IN | Byline Bank |
| $350,000–1 million | COMMERCIAL FACILITIES MANAGEMENT INC | GREENWOOD, IN | Byline Bank |
| $350,000–1 million | COMMODITY BLENDERS LLC | WEST SALEM, OH | Byline Bank |
| $150,000–350,000 | COMPANY BREWING LLC | Milwaukee, WI | Byline Bank |
| $150,000–350,000 | CONNECTICUT ELECTRIC, INC | ANDERSON, IN | Byline Bank |
| $350,000–1 million | CONNECTIONS FOR THE HOMELESS INC | Evanston, IL | Byline Bank |
| $1–2 million | CONNOR-WINFIELD CORP. | Aurora, IL | Byline Bank |
| $1–2 million | CONNOR-WINFIELD CORP. | AURORA, IL | Byline Bank |
| $150,000–350,000 | CONSTRUCTION PRODUCTS SALES | BROADVIEW, IL | Byline Bank |
| $150,000–350,000 | CONSTRUCTION PRODUCTS SALES | Broadview, IL | Byline Bank |
| $350,000–1 million | CONTINENTAL AIR TRANSPORT CO. INC. | Rosemont, IL | Byline Bank |
| $350,000–1 million | CONTINENTAL AIR TRANSPORT CO., INC. | DES PLAINES, IL | Byline Bank |
| $350,000–1 million | CONTINENTAL BINDERY CORP | ELK GROVE VILLAGE, IL | Byline Bank |
| $1–2 million | CONTINENTAL DATA LABEL, INC. | ELGIN, IL | Byline Bank |
| $150,000–350,000 | CONTOUR LANDSCAPING INC. | Skokie, IL | Byline Bank |
| $150,000–350,000 | CONTOUR LANDSCAPING INC. | SKOKIE, IL | Byline Bank |
| $150,000–350,000 | CONTRACT MIRROR AND SUPPLY COMPANY | ELMHURST, IL | Byline Bank |
| $150,000–350,000 | CONTRACT MIRROR AND SUPPLY COMPANY | Elmhurst, IL | Byline Bank |
| $150,000–350,000 | COORDINATE MACHINE CO | Roselle, IL | Byline Bank |
| $150,000–350,000 | COORDINATE MACHINE CO, | Roselle, IL | Byline Bank |
| $150,000–350,000 | COPLAN & CRANE, LTD. | Oak Park, IL | Byline Bank |
| $150,000–350,000 | COPLAN & CRANE, LTD. | Oak Park, IL | Byline Bank |
| $1–2 million | CORE PIPE PRODUCTS, INC. | CAROL STREAM, IL | Byline Bank |
| $1–2 million | CORE PIPE PRODUCTS, INC. | Carol Stream, IL | Byline Bank |
| $150,000–350,000 | COVERS UNLIMITED CORP. | Morton Grove, IL | Byline Bank |
| $150,000–350,000 | COVERS UNLIMITED CORP. | MORTON GROVE, IL | Byline Bank |
| $150,000–350,000 | COVETED FINANCIAL SERVICES LLC | SAINT CHARLES, IL | Byline Bank |
| $150,000–350,000 | COVETED FINANCIAL SERVICES LLC | St Charles, IL | Byline Bank |
| $350,000–1 million | COWAN CORPORATION | Rockdale, IL | Byline Bank |
| $350,000–1 million | COWAN CORPORATION | JOLIET, IL | Byline Bank |
| $350,000–1 million | CRAFTSMAN TOOL & MOLD CO. | Aurora, IL | Byline Bank |
| $350,000–1 million | CRITICAL ENVIRONMENTS PROFESSIONALSINC. | Arlington Heights, IL | Byline Bank |
| $150,000–350,000 | CROSSTECH COMMUNICATIONS INC. | Chicago, IL | Byline Bank |
| $150,000–350,000 | CROWE FAMILY ENTERPRISES INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CROWN MOTOR GROUP INC | Mount Pleasant, IA | Byline Bank |
| $350,000–1 million | CROWN MOTOR GROUP, INC | Mount Pleaseant, IA | Byline Bank |
| $150,000–350,000 | CRUCIBLE METAL SOLUTIONS, INC. | Menasha, WI | Byline Bank |
| $150,000–350,000 | CRUCIBLE METAL SOLUTIONS, INC. | MENASHA, WI | Byline Bank |
| $5–10 million | CSA SERVICE SOLUTIONS, LLC | AUSTIN, TX | Byline Bank |
| $350,000–1 million | CUKIERSKI & COCHRANE, LLC | SCHAUMBURG, IL | Byline Bank |
| $150,000–350,000 | CURRENT TECHNOLOGIES CORPORATION | LOMBARD, IL | Byline Bank |
| $1–2 million | CUSTOM HOME CARE, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CWM ADVISORS, LLC | HOLLISTER, CA | Byline Bank |
| $150,000–350,000 | D & B AUTO RADIO INC. | Carol Stream, IL | Byline Bank |
| $150,000–350,000 | D & B AUTO RADIO INC. | Carol Stream, IL | Byline Bank |
| $1–2 million | D&K GROUP INC | Elk Grove Village, IL | Byline Bank |
| $1–2 million | D&K GROUP, INC | Chicago, IL | Byline Bank |
| $150,000–350,000 | D'AGOSTINO'S PIZZERIA WHEELING INC. | Wheeling, IL | Byline Bank |
| $150,000–350,000 | D. HELMLING TRUCKING INC. | Kent, OH | Byline Bank |
| $150,000–350,000 | D. HELMLING TRUCKING, INC. | KENT, OH | Byline Bank |
| $150,000–350,000 | DAKCOMP, INC. | MASON, OH | Byline Bank |
| $150,000–350,000 | DANGER ROCK LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | DANGER ROCK, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | DARLINGTON COOKIE COMPANY | NOBLESVILLE, IN | Byline Bank |
| $350,000–1 million | DAVANTI'S WESTERN SPRINGS LLC | Des Plaines, IL | Byline Bank |
| $150,000–350,000 | DAVANTI'S WESTERN SPRINGS LLC | Des Plaines, IL | Byline Bank |
| $150,000–350,000 | DCS TRANSPORT SERVICES LLC | Milwaukee, WI | Byline Bank |
| $150,000–350,000 | DCS TRANSPORT SERVICES, LLC | MILWAUKEE, WI | Byline Bank |
| $350,000–1 million | DEARBORN TOOL & MANUFACTURING INC. | Burr Ridge, IL | Byline Bank |
| $350,000–1 million | DEARBORN TOOL & MANUFACTURING, INC. | WILLOWBROOK, IL | Byline Bank |
| $150,000–350,000 | DEJAMES BUILDERS, INC. | GLENDALE HEIGHTS, IL | Byline Bank |
| $150,000–350,000 | DELTA PARTNERS INC. | Greenfield, WI | Byline Bank |
| $150,000–350,000 | DENTAL 360 PC | ST THOMAS, VI | Byline Bank |