| $150,000–350,000 | BASA'S MARINE INC | BOLINGBROOK, IL | Byline Bank |
| $1–2 million | BASIC CRATING & PACKAGING INC. | ELK GROVE VILLAGE, IL | Byline Bank |
| $150,000–350,000 | BASIL'S RESTAURANT, INC. | ARLINGTON HEIGHTS, IL | Byline Bank |
| $1–2 million | BATTERY SOLUTIONS, LLC | WIXOM, MI | Byline Bank |
| $150,000–350,000 | BAY MARINE OF CHICAGO, LLC | WAUKEGAN, IL | Byline Bank |
| $150,000–350,000 | BECKER BOILER CO., INC. | SAINT FRANCIS, WI | Byline Bank |
| $150,000–350,000 | BECKER WORKS LTD | CHICAGO, IL | Byline Bank |
| $1–2 million | BEDFORD TRANSPORTATION, LLC | BEDFORD PARK, IL | Byline Bank |
| $1–2 million | BEE LINE SUPPORT INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | BELLWETHER SOFTWARE, LLC | LOUISVILLE, KY | Byline Bank |
| $350,000–1 million | BENVENUTI AND STEIN, INC. | EVANSTON, IL | Byline Bank |
| $350,000–1 million | BERNARD FOOD INDUSTRIES, INC. | EVANSTON, IL | Byline Bank |
| $1–2 million | BEST DEDICATED SOLUTIONS, LLC | VERNON HILLS, IL | Byline Bank |
| $150,000–350,000 | BEST INSTITUTIONAL SUPPLY CO. | MAYWOOD, IL | Byline Bank |
| $150,000–350,000 | BEVERAGE PLANNING WORLDWIDE LLC | MANHASSET, NY | Byline Bank |
| $150,000–350,000 | BEVSTRAT LLC | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | BIG APPLE FINER FOODS, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | BIG ONION HOSPITALITY, LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | BIGHEAD BREWING COMPANY, LLC | LIBERTYVILLE, IL | Byline Bank |
| $150,000–350,000 | BIO PACKAGING FILMS, LLC | MUNDELEIN, IL | Byline Bank |
| $350,000–1 million | BIXI BREWERY LLC | CHICAGO, IL | Byline Bank |
| $1–2 million | BKBG ENTERPRISES, INC. | CAROL STREAM, IL | Byline Bank |
| $150,000–350,000 | BLACK SHEEP HOLDING, LLC | PORT WASHINGTON, NY | Byline Bank |
| $150,000–350,000 | BLACKHAWK AMUSEMENTS, INC. | HOFFMAN ESTATES, IL | Byline Bank |
| $150,000–350,000 | BLEACHERS, INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | BLUCO CORPORATION | NAPERVILLE, IL | Byline Bank |
| $350,000–1 million | BLUE GOOSE SUPER MARKET INC | ST CHARLES, IL | Byline Bank |
| $350,000–1 million | BMM LOGISTICS INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | BOCKWINKEL'S AT MCCLURG, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | BOMBAY CHOPSTICKS LLC | HOFFMAN ESTATES, IL | Byline Bank |
| $150,000–350,000 | BONITA STEEL BUILDERS, INC. | TUCSON, AZ | Byline Bank |
| $1–2 million | BORNQUIST, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | BOTTI ARCHITECTURAL SERVICES, INC. | GLENVIEW, IL | Byline Bank |
| $350,000–1 million | BRADFORD SYSTEMS CORPORATION | ELMHURST, IL | Byline Bank |
| $150,000–350,000 | BRADISH ASSOCIATES, LTD. | ARLINGTON HEIGHTS, IL | Byline Bank |
| $150,000–350,000 | BRAVO 4200 LLC | SCHILLER PARK, IL | Byline Bank |
| $350,000–1 million | BRAVO 8900 | MILWAUKEE, WI | Byline Bank |
| $350,000–1 million | BRIDGEVIEW ADVISORS, LLC | BRIDGEVIEW, IL | Byline Bank |
| $350,000–1 million | BRININSTOOL + LYNCH, LTD. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | BRITE DENTAL PC | CHICAGO, IL | Byline Bank |
| $1–2 million | BROWN & JOSEPH, LLC | ITASCA, IL | Byline Bank |
| $150,000–350,000 | BRYN MAWR RESTAURANT CORP | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | BUCKY CORRAL LLC | MILWAUKEE, WI | Byline Bank |
| $150,000–350,000 | BUILDINGPOINT MIDWEST LLC | PLAINFIELD, IL | Byline Bank |
| $350,000–1 million | BUKACEK CONSTRUCTION GROUP, INC. | RACINE, WI | Byline Bank |
| $150,000–350,000 | BURTCH WORKS LLC | EVANSTON, IL | Byline Bank |
| $350,000–1 million | C CASA HOLDINGS, LLC | NAPA, CA | Byline Bank |
| $350,000–1 million | C.D. PEACOCK, INC. | OAK BROOK, IL | Byline Bank |
| $150,000–350,000 | CAAN FLORAL & GREENHOUSES, LLC | SHEBOYGAN, WI | Byline Bank |
| $150,000–350,000 | CAL RESTAURANTS | CITRUS HEIGHTS, CA | Byline Bank |
| $1–2 million | CALCO | RICHMOND, IL | Byline Bank |
| $350,000–1 million | CALIFORNIA QSR MANAGEMENT, INC. | FRESNO, CA | Byline Bank |
| $2–5 million | CARDINAL INTELLECTUAL PROPERTY, INC. | EVANSTON, IL | Byline Bank |
| $350,000–1 million | CARJIM ENTERPRISES | VERNON HILLS, IL | Byline Bank |
| $150,000–350,000 | CAS GROUP II, INC. | ADDISON, IL | Byline Bank |
| $350,000–1 million | CASAPPA CORP. | BATAVIA, IL | Byline Bank |
| $1–2 million | CATCO OHARE INC | ROSEMONT, IL | Byline Bank |
| $150,000–350,000 | CATERING ENTERPRISES, LTD. | ADDISON, IL | Byline Bank |
| $150,000–350,000 | CD PEACOCK OLD ORCHARD LLC | OAK BROOK, IL | Byline Bank |
| $150,000–350,000 | CELEBRATION CHURCH, INC | GREEN BAY, WI | Byline Bank |
| $150,000–350,000 | CENTER FOR ADDICTIVE PROBLEMS INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CENTER FOR INDEPENDENT FUTURES | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | CENTRAL CITY MANAGEMENT LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CFIT COLLAR INC. | GLENVIEW, IL | Byline Bank |
| $350,000–1 million | CFIT COOK INC. | GLENVIEW, IL | Byline Bank |
| $1–2 million | CFIT HOLDING CORPORATION | GLENVIEW, IL | Byline Bank |
| $350,000–1 million | CGI AUTOMATED MANUFACTURING, INC. | ROMEOVILLE, IL | Byline Bank |
| $150,000–350,000 | CGI INTERNATIONAL, LLC | WASHINGTON, PA | Byline Bank |
| $1–2 million | CH VENTURES LLC | WILMETTE, IL | Byline Bank |
| $1–2 million | CHALET LANDSCAPE CO. | WILMETTE, IL | Byline Bank |
| $350,000–1 million | CHARLES PRODUCTS, LLC | ROCKVILLE, MD | Byline Bank |
| $150,000–350,000 | CHAS. F. WILLIAMS CO., INC. | FORT WORTH, TX | Byline Bank |
| $150,000–350,000 | CHI TOWN MARKET INC | NAPERVILLE, IL | Byline Bank |
| $350,000–1 million | CHICAGO AREA EXPRESS, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHICAGO CHOP SHOP LLC AND CCS MANAGEMENT LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | CHICAGO CITY DAY SCHOOL | CHICAGO, IL | Byline Bank |
| $350,000–1 million | CHICAGO FIRE PROTECTION LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHICAGO PRIME STEAKHOUSE CORP | SCHAUMBURG, IL | Byline Bank |
| $150,000–350,000 | CHICAGO PRODUCE INC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | CHICAGO SUBURBAN EXPRESS, INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHICAGO UNIFORMS COMPANY | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHICAGO WOMEN IN TRADES | CHICAGO, IL | Byline Bank |
| $350,000–1 million | CHICAGOLAND WINDOW & BUILDING PRODUCTS, LLC DBA ESTATES WINDOWS | LAKE BLUFF, 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 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 MANAGEMENT, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADEMIES OF AMERICA, LLC DBA LITTLE GREEN TREE HOUSE | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | CHILDREN'S ACADMIES OF AMERICA ASHLAND II LLC | 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 |
| $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 | 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 |
| $150,000–350,000 | COMIDA, LLC | EVANSTON, IL | Byline Bank |