| $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 | COMMODITY BLENDERS LLC | WEST SALEM, OH | 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 |
| $150,000–350,000 | CONSTRUCTION PRODUCTS SALES | BROADVIEW, 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 | CONTRACT MIRROR AND SUPPLY COMPANY | ELMHURST, 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 | COVERS UNLIMITED CORP. | MORTON GROVE, IL | Byline Bank |
| $150,000–350,000 | COVETED FINANCIAL SERVICES LLC | SAINT CHARLES, 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 |
| $150,000–350,000 | CROWE FAMILY ENTERPRISES INC. | CHICAGO, IL | 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 |
| $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&D HOME HEALTHCARE INC. | BOLINGBROOK, IL | Byline Bank |
| $1–2 million | D&K GROUP, INC | CHICAGO, IL | 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 | DARLINGTON COOKIE COMPANY | NOBLESVILLE, IN | 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 |
| $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 |
| $350,000–1 million | DERMATOLOGY ASSOCIATES, LTD. | TINLEY PARK, IL | Byline Bank |
| $350,000–1 million | DERMATOLOGY PARTNERS OF THE NORTH SHORE, LLC | NORTHBROOK, IL | Byline Bank |
| $150,000–350,000 | DESIGN GROUP THREE LLC | MILWAUKEE, WI | Byline Bank |
| $150,000–350,000 | DINKEL'S BAKERY, INC. | CHICAGO, IL | Byline Bank |
| $1–2 million | DISABILITY NETWORK MANAGEMENT LTD | LOMBARD, IL | Byline Bank |
| $350,000–1 million | DISCO MACHINE & MANUFACTURING, INC. | NORRIDGE, IL | Byline Bank |
| $150,000–350,000 | DOC WEST, LLC | LOMBARD, IL | Byline Bank |
| $350,000–1 million | DOCUMENT PUBLISHING GROUP, INC. DBA HEALTHWARE SYSTEMS | ELGIN, IL | Byline Bank |
| $150,000–350,000 | DOPPES, LTD | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | DR GUNS LLC | LAKE ZURICH, IL | Byline Bank |
| $350,000–1 million | DRAKE TRUCK BODIES, LLC | PHOENIX, AZ | Byline Bank |
| $150,000–350,000 | DRIVE CLEANING, INC | SKOKIE, IL | Byline Bank |
| $350,000–1 million | DUBOIS PAVING COMPANY | EAST DUNDEE, IL | Byline Bank |
| $150,000–350,000 | DUDLEY & LAKE, LLC | LIBERTYVILLE, IL | Byline Bank |
| $350,000–1 million | DUNLAY'S MANAGEMENT SERVICES, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | DUNLAYS ROSCOE, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | DUPAGE P.A.D.S., INC | WHEATON, IL | Byline Bank |
| $150,000–350,000 | DURABILT DYVEX, INC. | BROADVIEW, IL | Byline Bank |
| $150,000–350,000 | DURATHERM PROCESSING SYSTEMS, INC. | SAINT CHARLES, IL | Byline Bank |
| $350,000–1 million | DURATRACK INC | ELK GROVE, IL | Byline Bank |
| $350,000–1 million | DUTCH BARN LANDSCAPING, LLC | NEW LENOX, IL | Byline Bank |
| $2–5 million | DYNACOIL, INC | ZION, IL | Byline Bank |
| $350,000–1 million | DYNAMIC MD, LLC | SCHAUMBURG, IL | Byline Bank |
| $1–2 million | EAGLE CREEK AVIATION SERVICES, INC. | INDIANAPOLIS, IN | Byline Bank |
| $350,000–1 million | EARTHWISE ENVIRONMENTAL, INC. | WOOD DALE, IL | Byline Bank |
| $150,000–350,000 | EAS GROUP, INC. | WHEELING, IL | Byline Bank |
| $150,000–350,000 | EAZYPOWER CORPORATION | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | EBM MANAGEMENT CONSULTING, INC | ELK GROVE VILLAGE, IL | Byline Bank |
| $1–2 million | EBM, INC | ELK GROVE VILLAGE, IL | Byline Bank |
| $350,000–1 million | ECLETIC CULINARY CONCEPTS, INC. | COTTAGE GROVE, MN | Byline Bank |
| $150,000–350,000 | ECONOMY PALLETS INC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | EDIFY TECHNOLOGIES, INC. | NAPERVILLE, IL | Byline Bank |
| $350,000–1 million | EDUCATION SERVICES GROUP HOLDINGS, LLC | CINCINNATI, OH | Byline Bank |
| $150,000–350,000 | EGGER ACCOUNTING & BUSINESS SOLUTIONS INC | VILLAGE OF LAKEWOOD, IL | Byline Bank |
| $2–5 million | EIGHTH LIGHT HOLDINGS, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ELAN LANDSCAPE DEVELOPMENT, INC. | LIBERTYVILLE, IL | Byline Bank |
| $150,000–350,000 | ELAN LLC | RIVER FOREST, IL | Byline Bank |
| $1–2 million | ELECTRI-FLEX COMPANY | ROSELLE, IL | Byline Bank |
| $150,000–350,000 | ELEGANTE CUISINE, INC. | ELK GROVE VILLAGE, IL | Byline Bank |
| $150,000–350,000 | ELENCO CARBIDE TOOL CORPORATION | PLYMOUTH, WI | Byline Bank |
| $150,000–350,000 | ELEVATED COMMERCIAL CONSTRUCTION, INC. | ARLINGTON HEIGHTS, IL | Byline Bank |
| $2–5 million | ELITE LABOR SERVICES LTD | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | EMBARC, INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | EMCO ACQUISITION, INC. | ELK GROVE VILLAGE, IL | Byline Bank |
| $150,000–350,000 | EMPIRE PHOTO LLC | MADISON, WI | Byline Bank |
| $350,000–1 million | ENROLLMENT RX LLC | SCHILLER PARK, IL | Byline Bank |
| $350,000–1 million | ENVIRONMENTAL REMEDIATION SERVICES INC | EAST SYRACUSE, NY | Byline Bank |
| $350,000–1 million | ERSI, LLC | EAST SYRACUSE, NY | Byline Bank |
| $150,000–350,000 | ESPE MANUFACTURING CO. | SCHILLER PARK, IL | Byline Bank |
| $350,000–1 million | EUROVIEW ENTERPRISES LLC | ELMHURST, IL | Byline Bank |
| $350,000–1 million | EVANSTON BUILDERS LUMBER COMPANY, INC. | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | EVANSTON COMMUNITY FOUNDATION | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | EVANSTON DENTAL ASSOCIATES, LTD. | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | EW & VCNR, INC. | VERNON HILLS, IL | Byline Bank |
| $150,000–350,000 | EWING TRUCKING, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | EXACT REPLACEMENT PARTS, INC. | SAINT CHARLES, IL | Byline Bank |
| $150,000–350,000 | EXCEL DOWEL & WOOD PRODUCTS, LLC | ITASCA, IL | Byline Bank |
| $150,000–350,000 | EXPERT AIR SERVICES, LLC | NAPLES, FL | Byline Bank |
| $350,000–1 million | EXSEL EXHIBITS, LLC | DES PLAINES, IL | Byline Bank |
| $350,000–1 million | EYES ON THE FUTURE, INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | FAIRE LABOR, LLC | INDIANAPOLIS, IN | Byline Bank |