| $150,000–350,000 | SDS DINING CORP. DBA SAPPHIRE, CUISINES OF INDIA | NEW YORK, NY | Byline Bank |
| $150,000–350,000 | SEAL OF EXCELLENCE ACADEMY LLC | BOLINGBROOK, IL | Byline Bank |
| $350,000–1 million | SEED HOSPITALITY, LLC | NASHVILLE, TN | Byline Bank |
| $150,000–350,000 | SEM INITIATIVES LLC | SUSSEX, WI | Byline Bank |
| $350,000–1 million | SERENITY HOME HEALTH CARE SERVICES, LLC | COLUMBUS, OH | Byline Bank |
| $1–2 million | SHAKOU LLC | LIBERTYVILLE, IL | Byline Bank |
| $150,000–350,000 | SHAKOU NAPERVILLE LLC | LIBERTYVILLE, IL | Byline Bank |
| $350,000–1 million | SHEET METAL SUPPLY, LTD. | GRAYSLAKE, IL | Byline Bank |
| $150,000–350,000 | SHEFFIELD'S BEER & WINE GARDEN INC. | CHICAGO, IL | Byline Bank |
| $1–2 million | SHIELDS BUSINESS SOLUTIONS, INC. | MOORESTOWN, NJ | Byline Bank |
| $350,000–1 million | SHORE COMMUNITY SERVICES, INC | SKOKIE, IL | Byline Bank |
| $350,000–1 million | SHUR-WAY MOVING & CARTAGE CO | LIBERTYVILLE, IL | Byline Bank |
| $150,000–350,000 | SID KAMP TRUCKING, INC. | MOKENA, IL | Byline Bank |
| $150,000–350,000 | SILK SCREEN EXPRESS INC. | TINLEY PARK, IL | Byline Bank |
| $350,000–1 million | SILLIMAN GROUP, LLC | ENGLEWOOD, NJ | Byline Bank |
| $350,000–1 million | SILVER LAKE AUTO & TIRE CENTERS, LLC | OCONOMOWOC, WI | Byline Bank |
| $150,000–350,000 | SINGER SAFETY COMPANY | CHICAGO, IL | Byline Bank |
| $1–2 million | SINY CORP | JANESVILLE, WI | Byline Bank |
| $350,000–1 million | SLOAN INDUSTRIES INC | WOOD DALE, IL | Byline Bank |
| $150,000–350,000 | SMALL WORLD LEARNING CENTER, INC. | FRANKLIN PARK, IL | Byline Bank |
| $150,000–350,000 | SML, LLC | ROSELLE, IL | Byline Bank |
| $150,000–350,000 | SMOOTH MONEY, LLC | KAUKAUNA, WI | Byline Bank |
| $350,000–1 million | SMP HOLDINGS LLC | GLENVIEW, IL | Byline Bank |
| $150,000–350,000 | SNELLVILLE URBAN AIR LLC | TOMBALL,, TX | Byline Bank |
| $150,000–350,000 | SOCIOS HOLDINGS, INC | DETROIT, MI | Byline Bank |
| $1–2 million | SOLIANT CONSULTING INC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | SOLUTIONS SERVICE SYSTEMS, INC. | BURR RIDGE, IL | Byline Bank |
| $350,000–1 million | SOUND BUILDING SUPPLY INC | RENTON, WA | Byline Bank |
| $2–5 million | SOURCE ONE STAFFING INC | WEST CHICAGO, IL | Byline Bank |
| $350,000–1 million | SOUTHEASTERN MECHANICAL, INC. | UNION GROVE, WI | Byline Bank |
| $150,000–350,000 | SOUTHERN CAFE ROSELLE INC | ROSELLE, IL | Byline Bank |
| $350,000–1 million | SOUTHPORT GRILL, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | SOUTHPORT SALON CONCEPTS, LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | SPADERMA INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | SPADERMA WEST LOOP, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | SPANTREE TECHNOLOGY GROUP LLC | CHICAGO, IL | Byline Bank |
| $1–2 million | SPAULDING CLINICAL RESEARCH LLC | WEST BEND, WI | Byline Bank |
| $1–2 million | SPECIALTIES BINDING CORPORATION | ELK GROVE VILLAGE, IL | Byline Bank |
| $350,000–1 million | SPECIALTY BUILDERS, INC. | CHICAGO, IL | Byline Bank |
| $1–2 million | SPECIALTY CHEESE COMPANY, INC. | REESEVILLE, WI | Byline Bank |
| $150,000–350,000 | SRW INDUSTRIES LLC | LAKE ZURICH, IL | Byline Bank |
| $150,000–350,000 | ST MARIA GORETTI CHURCH | SCHILLER PARK, IL | Byline Bank |
| $150,000–350,000 | ST ALBERT THE GREAT CHUCRCH | BURBANK, IL | Byline Bank |
| $150,000–350,000 | ST ATHANASIUS PARISH/THE CATHOLIC BISHOP OF CHICAGO | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | ST BRUNO SCHOOL | CHICAGO, IL | Byline Bank |
| $350,000–1 million | ST DANIEL THE PROPHET | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ST GABRIEL SCHOOL/THE CATHOLIC BISHOP OF CHICAGO | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ST GALL CHURCH | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ST RICHARDS CHURCH | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ST ROBERT BELLARMINE SCHOOL/ CATHOLIC BISHOP OF CHICAGO | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ST. AGNES SCHOOL | CHICAGO, IL | Byline Bank |
| $350,000–1 million | ST. GILES PARISH/THE CATHOLIC BISHOP OF CHICAGO | OAK PARK, IL | Byline Bank |
| $150,000–350,000 | ST. LEONARDS PARISH/THE CATHOLIC BISHOP OF CHICAGO | BERWYN, IL | Byline Bank |
| $150,000–350,000 | ST. STANISLAUS KOSTKA | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ST. VINCENT FERRER CHURCH CATHOLIC BISHOP OF CHICAGO | RIVER FOREST, IL | Byline Bank |
| $2–5 million | STAFFING NETWORK HOLDINGS LLC | VILLA PARK, IL | Byline Bank |
| $350,000–1 million | STAHL COWEN CROWLEY ADDIS LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | STANDARD HEAT TREATING BUILDINGS LLC | CICERO, IL | Byline Bank |
| $350,000–1 million | STANLEY SPRING & STAMPING CORP. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | STANRON CORP. | FT LAUDERDALE, FL | Byline Bank |
| $150,000–350,000 | STATE DISPOSAL SERVICES, LLC | MILWAUKEE, WI | Byline Bank |
| $150,000–350,000 | STEPHENS DENTISTRY, LTD. | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | STONE CITY KITCHEN AND BATH DESIGN CENTER, INC. | CHICAGO, IL | Byline Bank |
| $1–2 million | STONE MOUNTAIN ACCESS GROUP, INC. - PPP - 180 | HILLSIDE, IL | Byline Bank |
| $150,000–350,000 | STRADA REAL ESTATE SERVICES INC | WESTMONT, IL | Byline Bank |
| $350,000–1 million | STRATEGIC BUSINESS SERVICES, LLC | MANHATTAN BEACH, CA | Byline Bank |
| $350,000–1 million | STRATEGIC MOBILITY GROUP, LLC | SCHAUMBURG, IL | Byline Bank |
| $350,000–1 million | SUBGRID SOLUTIONS, LLC | GLEN ELLYN, IL | Byline Bank |
| $2–5 million | SUBURBAN ELEVATOR LLC | EAST DUNDEE, IL | Byline Bank |
| $150,000–350,000 | SUBURBAN METABOLIC INSTITUTE, LLC | BERWYN, IL | Byline Bank |
| $150,000–350,000 | SUBURBAN OTOLARYNGOLOGY SC | BERWYN, IL | Byline Bank |
| $150,000–350,000 | SUBURBAN SURGICAL ASSOCIATES, LTD. | BERWYN, IL | Byline Bank |
| $150,000–350,000 | SUGAR & SPICE EXTRAORDINARY SWEET TREATS INC | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | SUGAR BEET FOOD STORE COOPERATIVE | OAK PARK, IL | Byline Bank |
| $150,000–350,000 | SUNAD HOME CARE INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | SUPAROSSA ON WESTERN INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | SWNG INC | FRANKLIN PARK, IL | Byline Bank |
| $350,000–1 million | SYNERGY MANAGEMENT HOLDING INC - QSUB - A. LISS & COMPANY INC. | WOODSIDE, NY | Byline Bank |
| $350,000–1 million | T&W OPERATIONS, INC. | HUNTSVILLE, AL | Byline Bank |
| $150,000–350,000 | TAG'S BAKERY INC. | EVANSTON, IL | Byline Bank |
| $1–2 million | TAKE IT FOR GRANITE, INC. | SAN JOSE, CA | Byline Bank |
| $150,000–350,000 | TAP HOUSE GRILL PALATINE, LLC | PALATINE, IL | Byline Bank |
| $350,000–1 million | TAURUS TOOL & ENGINEERING CO. | BATAVIA, IL | Byline Bank |
| $150,000–350,000 | TAYLOR COUNSELING GROUP LLC | DALLAS, TX | Byline Bank |
| $350,000–1 million | TEAM CONCEPT PRINTING & THERMOGRAPHY INC | CAROL STREAM, IL | Byline Bank |
| $350,000–1 million | TECHNICAL MACHINERY SOULTIONS INC | ELK GROVE VILLAGE, IL | Byline Bank |
| $350,000–1 million | TECHSTYLES SPORTSWEAR LLC | HAYWARD, CA | Byline Bank |
| $350,000–1 million | TEMPERATURE SERVICE COMPANY, INC | ELK GROVE VILLAGE, IL | Byline Bank |
| $150,000–350,000 | TER MOLEN WATKINS & BRANDT, LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | TERCO, INC. | BLOOMINGDALE, IL | Byline Bank |
| $150,000–350,000 | TESKA ASSOCIATES INC | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | TH EDM DEPARTMENT, INC. | BARTLETT, IL | Byline Bank |
| $350,000–1 million | THE ACADEMY AT CEDAR MOUNTAIN OF UTAH, LLC, | CEDAR CITY, UT | Byline Bank |
| $150,000–350,000 | THE ACADEMY AT ST. JOAN OF ARC | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | THE BARN INVESTMENT LLC | EVANSTON, IL | Byline Bank |
| $350,000–1 million | THE BEACHWAVER CO | LIBERTYVILLE, IL | Byline Bank |
| $350,000–1 million | THE BETHEL BAPTIST CHURCH OF SCHAUMBURG TOWNSHIP | SCHAUMBURG, IL | Byline Bank |
| $350,000–1 million | THE BUREAUS, INC. | NORTHBROOK, IL | Byline Bank |
| $150,000–350,000 | THE CAMP TC, LLC | MALIBU, CA | Byline Bank |
| $150,000–350,000 | THE CHILDREN'S SCHOOL OF OAK PARK | OAK PARK, IL | Byline Bank |