| $150,000–350,000 | PLI SORTING | CLEVELAND, OH | Byline Bank |
| $150,000–350,000 | PLUSVENTURE INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | POLAMER INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | POLNET COMMUNICATIONS LTD | CHICAGO, IL | Byline Bank |
| $350,000–1 million | POLYURETHANE ENGINEERING TECHNIQUES CO, INC. (PETCO) | LAKE FOREST, IL | Byline Bank |
| $150,000–350,000 | POOR PHILS, INC | OAK PARK, IL | Byline Bank |
| $150,000–350,000 | POPE JOHN XXIII SCHOOL/THE CATHOLIC BISHOP OF CHICAGO | EVANSTON, IL | Byline Bank |
| $350,000–1 million | POUL'S LANDSCAPING, INC. | LONG GROVE, IL | Byline Bank |
| $2–5 million | POWER DRY OF CHICAGO INC. | ELMHURST, IL | Byline Bank |
| $150,000–350,000 | POWER-CELL, LLC | BLOOMINGDALE, IL | Byline Bank |
| $150,000–350,000 | POWERSFIELD VENTURES, INC | SIOUX CITY, IA | Byline Bank |
| $150,000–350,000 | PRECISION MIDWEST OF ILLINOIS LTD. | PLAINFIELD, IL | Byline Bank |
| $150,000–350,000 | PRECISION TITLE COMPANY | SCHAUMBURG, IL | Byline Bank |
| $150,000–350,000 | PRECISION-TEK MFG., INC. | ARLINGTON HEIGHTS, IL | Byline Bank |
| $1–2 million | PREFERRED ELECTRICAL CONSTRUCTION CORP. OF ILLINOIS, INC. | BLOOMINGDALE, IL | Byline Bank |
| $150,000–350,000 | PREMIER BLUESTONE, INC. | SUSQUEHANNA, PA | Byline Bank |
| $350,000–1 million | PREMIER TILE & STONE, LLC | ELMHURST, IL | Byline Bank |
| $1–2 million | PRESCIENT DEVELOPMENT INC. | SCHAUMBURG, IL | Byline Bank |
| $150,000–350,000 | PRESSURE SPECIALIST, INC. | CRYSTAL LAKE, IL | Byline Bank |
| $150,000–350,000 | PRESTIGE DISTRIBUTION INC. | NORTHBROOK, IL | Byline Bank |
| $2–5 million | PRINCIPAL MANUFACTURING CORP. | BROADVIEW, IL | Byline Bank |
| $350,000–1 million | PRINT-O-TAPE, INC. | MUNDELEIN, IL | Byline Bank |
| $350,000–1 million | PROACCESS SYSTEMS INC | ELBURN, IL | Byline Bank |
| $350,000–1 million | PROCACCIO PAINTING AND DRYWALL CO. INC. | ST. CHARLES, IL | Byline Bank |
| $1–2 million | PROFILE PLASTICS, INC. | LAKE BLUFF, IL | Byline Bank |
| $350,000–1 million | PROJECT COMBO, INC. | NAPLES, FL | Byline Bank |
| $150,000–350,000 | PROMANAGE LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | PROTOPACK ENGINEERING CORP | ELK GROVE VILLAGE, IL | Byline Bank |
| $350,000–1 million | PS3 TOOL MOLD & ASSEMBLY | SAINT CHARLES, IL | Byline Bank |
| $350,000–1 million | QUALIFIED FOOD STAFFING SERVICES INC | NAPERVILLE, IL | Byline Bank |
| $350,000–1 million | QUALITY IMPORTERS TRADING COMPANY, LLC | FORT LAUDERDALE, FL | Byline Bank |
| $150,000–350,000 | QUALITY MACHINE TOOL SERVICES, INC. | SCHAUMBURG, IL | Byline Bank |
| $350,000–1 million | QUALITY PARKING INC | MORTON GROVE, IL | Byline Bank |
| $350,000–1 million | QUESTEK INNOVATIONS LLC | EVANSTON, IL | Byline Bank |
| $350,000–1 million | R&H MANUFACTURERS LLC | KINGSTON, PA | Byline Bank |
| $150,000–350,000 | R. C. WAHL JEWELERS, INC. | DES PLAINES, IL | Byline Bank |
| $350,000–1 million | R.A. SHAVITZ INC. | SKOKIE, IL | Byline Bank |
| $350,000–1 million | R.C. COIL SPRING MANUFACTURING CO., INC. | GLENDALE HEIGHTS, IL | Byline Bank |
| $150,000–350,000 | RADICON DRIVE SYSTEMS INC. | ELGIN, IL | Byline Bank |
| $350,000–1 million | RAGNAR & ROLLO INDUSTRIES, INC. | LIVERPOOL, NY | Byline Bank |
| $350,000–1 million | RAINFOREST LEARNING CENTER, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | RANMAR RESTAURANT CORP | CHICAGO, IL | Byline Bank |
| $350,000–1 million | RAVINE WAY SURGERY CENTER, LLC | GLENVIEW, IL | Byline Bank |
| $1–2 million | RAY ALLEN, INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | RDN MANUFACTURING COMPANY, INC. | BLOOMINGDALE, IL | Byline Bank |
| $150,000–350,000 | REAL RESTORATION GROUP, INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | REALWHEELS CORPORATION | GURNEE, IL | Byline Bank |
| $150,000–350,000 | REBA PLACE FELLOWSHIP | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | RED BRANCH HOSPITALITY, LLC | CHICAGO, IL | Byline Bank |
| $2–5 million | REED ILLINOIS CORPORATION | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | REEL BIG FISH, LLC | MADISON, WI | Byline Bank |
| $150,000–350,000 | REGENTS PARK MANAGEMENT, LLC | ENGLEWOOD, NJ | Byline Bank |
| $350,000–1 million | RELIABLE CONCRETE PUMPING, LLC | DES PLAINES, IL | Byline Bank |
| $150,000–350,000 | RELIANCE TOOL & MFG CO INC | ELGIN, IL | Byline Bank |
| $350,000–1 million | RENDERED SERVICES INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | RENS LLC | WARREN, MI | Byline Bank |
| $150,000–350,000 | REPLAY ANDERSONVILLE INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | REZEK, HENRY, MEISENHEIMER AND GENDE, INC. | MUNDELEIN, IL | Byline Bank |
| $1–2 million | RHINO ASSEMBLY CORPORATION | CONCORD, NC | Byline Bank |
| $150,000–350,000 | RI - DEL MANUFACTURING INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | RICHMOND ELECTRIC CO | WOODRIDGE, IL | Byline Bank |
| $350,000–1 million | RIDGEFIELD INDUSTRIES CO LLC | CRYSTAL LAKE, IL | Byline Bank |
| $350,000–1 million | RIPPLE BEHAVIOR SOLUTIONS, LLC | ELKHORN, WI | Byline Bank |
| $150,000–350,000 | RIVER FOREST COMMUNITY CENTER | RIVER FOREST, IL | Byline Bank |
| $150,000–350,000 | RIVER OAKS AT LAKE PEPIN | LAKE CITY, MN | Byline Bank |
| $150,000–350,000 | RIVER OAKS AT SHADY RIDGE LLC | HUTCHINSON, MN | Byline Bank |
| $150,000–350,000 | RIVER OAKS AT WATERTOWN LLC | WATERTOWN, MN | Byline Bank |
| $350,000–1 million | RIVERDALE PLATING & HEAT TREATING, LLC | RIVERDALE, IL | Byline Bank |
| $350,000–1 million | RIVERMOOR ASSET MANAGEMENT, INC. | SCARBOROUGH, ME | Byline Bank |
| $150,000–350,000 | RK ACADEMY CORP | DARIEN, IL | Byline Bank |
| $350,000–1 million | RKC CLEANERS CORPORATION | ELK GROVE VILLAGE, IL | Byline Bank |
| $150,000–350,000 | RMST HOLDING COMPANY INC. | HOUSTON, TX | Byline Bank |
| $150,000–350,000 | ROCHELLE NEWPAPERS, INC | ROCHELLE, IL | Byline Bank |
| $150,000–350,000 | ROMERO STEEL COMPANY, INC. | MELROSE PARK, IL | Byline Bank |
| $150,000–350,000 | RONALD KNOX MONTESSORI SCHOOL | WILMETTE, IL | Byline Bank |
| $350,000–1 million | ROYCEMORE SCHOOL | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | RUE CUE LLC | VERONA, WI | Byline Bank |
| $150,000–350,000 | RZ5304 BRIDGEVIEW LLC | BRIDGEVIEW, IL | Byline Bank |
| $150,000–350,000 | S4 INDUSTRIES, INC. | EAST DUNDEE, IL | Byline Bank |
| $150,000–350,000 | SAB TERRA INC. | MISSION VIEJO, CA | Byline Bank |
| $150,000–350,000 | SAC CORPORATION DBA MJ STEVENS | HARTFORD, WI | Byline Bank |
| $350,000–1 million | SAFE IN SOUND HEARING, LLC | PHOENIX, AZ | Byline Bank |
| $150,000–350,000 | SAFEHAVEN SCHOOL | LAKE BLUFF, IL | Byline Bank |
| $150,000–350,000 | SAFETY SUPPLY ILLINOIS | BATAVIA, IL | Byline Bank |
| $150,000–350,000 | SAINTS FAITH HOPE & CHARITY PARISH/CATHOLIC BISHOP OF CHICAGO | WINNETKA, IL | Byline Bank |
| $350,000–1 million | SAINTS FAITH HOPE & CHARITY SCHOOL/THE CATHOLIC BISHOP OF CHICAGO | WINNETKA, IL | Byline Bank |
| $150,000–350,000 | SANDS IMPEX INC | WOODRIDGE, IL | Byline Bank |
| $150,000–350,000 | SARAH'S INN | FOREST PARK, IL | Byline Bank |
| $350,000–1 million | SASSETTI LLC | OAK PARK, IL | Byline Bank |
| $150,000–350,000 | SAVIOR LLC | WALTHAM, MA | Byline Bank |
| $150,000–350,000 | SAWCO HARDWOODS LLC | BRYANT, WI | Byline Bank |
| $150,000–350,000 | SB PANCAKE HOUSE, INCORPORATED | CREST HILL, IL | Byline Bank |
| $150,000–350,000 | SBZ ADVENTURES, LLC | SKOKIE, IL | Byline Bank |
| $150,000–350,000 | SCHAFF INTERNATIONAL, LLC | LAKE ZURICH, IL | Byline Bank |
| $150,000–350,000 | SCHERMERHORN & CO. | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | SCHONHEIT GARDENS LANDSCAPING, LLC | SUN PRAIRIE, WI | Byline Bank |
| $1–2 million | SCIENCE INTERACTIVE GROUP LLC | YULEE, FL | Byline Bank |
| $150,000–350,000 | SCORPION GRAPHICS, INC. | CHICAGO, IL | Byline Bank |
| $1–2 million | SCOTT BYRON & COMPANY INC. | LAKE BLUFF, IL | Byline Bank |
| $150,000–350,000 | SCOTT'S SEAFOOD ROUNDHOUSE | SACRAMENTO, CA | Byline Bank |