| $150,000–350,000 | OVIEDO TOO, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | P M ARMOR INC | Mount Prospect, IL | Byline Bank |
| $350,000–1 million | P R WALKER INC DBA TIRE TRACKS | Joliet, IL | Byline Bank |
| $350,000–1 million | P&W GOLF SUPPLY LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | P. M. ARMOR INC. | Mount Prospect, IL | Byline Bank |
| $150,000–350,000 | P.W.S. ENVIRONMENTAL, INC. | CICERO, IL | Byline Bank |
| $150,000–350,000 | PAAS NATIONAL LLC | Stoughton, WI | Byline Bank |
| $350,000–1 million | PACIFIC PAPERBOARD CONVERTING, LLC | RANCHO CUCAMONGA, CA | Byline Bank |
| $150,000–350,000 | PACIFIC SHORING PRODUCTS, LLC | SANTA ROSA, CA | Byline Bank |
| $350,000–1 million | PALANTIR.NET, INC. | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | PALERMO ENTERPRISES, INC. | Norridge, IL | Byline Bank |
| $350,000–1 million | PALLETEC, LLC | MINNEAPOLIS, MN | Byline Bank |
| $150,000–350,000 | PANINI GRILL AT STATEN ISLAND FERRY INC. | NEW YORK, NY | Byline Bank |
| $150,000–350,000 | PAPAGALINO BAKERY INC. | Niles, IL | Byline Bank |
| $2–5 million | PARAGON INDUSTRIES, INC. | Sapulpa, OK | Byline Bank |
| $150,000–350,000 | PARALLEL EDGE INC. | Wayne, PA | Byline Bank |
| $150,000–350,000 | PARALLEL EDGE, INC. | PHILADELPHIA, PA | Byline Bank |
| $350,000–1 million | PARK AND FIELD LLC | Chicago, IL | Byline Bank |
| $350,000–1 million | PARK AND FIELD LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | PATIO DRIVE INN RESTAURANT, INC. | Bridgeview, IL | Byline Bank |
| $350,000–1 million | PATIO FOOD PRODUCTS INC. | Bridgeview, IL | Byline Bank |
| $150,000–350,000 | PATIO FOOD PRODUCTS, INC. | Bridgeview, IL | Byline Bank |
| $150,000–350,000 | PATIO RESTAURANT OF AURORA INC | Aurora, IL | Byline Bank |
| $150,000–350,000 | PATIO RESTAURANT OF AURORA, INC. | Aurora, IL | Byline Bank |
| $150,000–350,000 | PATIO RESTAURANT OF BOLINGBROOK, INC | BOLINGBROOK, IL | Byline Bank |
| $150,000–350,000 | PATIO RESTAURANT OF DARIEN, INC. | DARIEN, IL | Byline Bank |
| $350,000–1 million | PATIO RESTAURANT OF LOMBARD INC. | Lombard, IL | Byline Bank |
| $150,000–350,000 | PATIO RESTAURANT OF LOMBARD INC. | Lombard, IL | Byline Bank |
| $350,000–1 million | PATIO RESTAURANT OF ORLAND PARK, INC. | ORLAND PARK, IL | Byline Bank |
| $150,000–350,000 | PATTERSON PRECITION MANUFACTURING, INC. | North Shores, MI | Byline Bank |
| $150,000–350,000 | PDQ SUPPLY, INC. | ST CHARLES, IL | Byline Bank |
| $350,000–1 million | PELETON INC. | Skokie, IL | Byline Bank |
| $150,000–350,000 | PELETON INC. | Skokie, IL | Byline Bank |
| $1–2 million | PEORIA PACKING LTD | Chicago, IL | Byline Bank |
| $150,000–350,000 | PERFORMANCE PRESSURE CLEANING SERVICE | Cicero, IL | Byline Bank |
| $350,000–1 million | PETER MICHAEL REALTY INC. | Chicago, IL | Byline Bank |
| $150,000–350,000 | PHINS AT SUNSET WALK LLC | Kissimmee, FL | Byline Bank |
| $150,000–350,000 | PHOENIX INSTRUMENTS INC. | Naperville, IL | Byline Bank |
| $150,000–350,000 | PHOENIX INSTRUMENTS, INC. | NAPERVILLE, IL | Byline Bank |
| $150,000–350,000 | PIGNATARO CORPORATION | Northbrook, IL | Byline Bank |
| $150,000–350,000 | PIGNATARO CORPORATION | NORTHBROOK, IL | Byline Bank |
| $350,000–1 million | PINNACLE CLIMATE TECHNOLOGIES, INC. | EDEN PRAIRIE, MN | Byline Bank |
| $150,000–350,000 | PLANTATIONS INC. | FAIRFAX, VA | Byline Bank |
| $150,000–350,000 | PLANTATIONS INC. | Fairfax, VA | Byline Bank |
| $350,000–1 million | PLATINUM COLLISION EXPRESS INC. | LAKE VILLA, IL | Byline Bank |
| $350,000–1 million | PLATINUM COLLISION EXPRESS INC. | LAKE VILLA, IL | Byline Bank |
| $1–2 million | PLATINUM CONVERTING, INC. | ITASCA, IL | Byline Bank |
| $150,000–350,000 | PLI SORTING | CLEVELAND, OH | Byline Bank |
| $150,000–350,000 | PLI SORTING | CLEVELAND, OH | Byline Bank |
| $150,000–350,000 | PLUSVENTURE INC. | CHICAGO, IL | Byline Bank |
| $2–5 million | POBLOCKI SIGN COMPANY LLC | West Allis, WI | Byline Bank |
| $350,000–1 million | POINT OF CARE NETWORK LLC | Parsippany, NJ | Byline Bank |
| $350,000–1 million | POLAMER 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 |
| $350,000–1 million | POLYURETHANE ENGINEERING TECHNIQUES CO, INC. (PETCO) | Lake Forest, IL | Byline Bank |
| $350,000–1 million | POOR PHILS INC | Oak Park, 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 |
| $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 |
| $1–2 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 | POWER-CELL, LLC | Bloomingdale, IL | Byline Bank |
| $150,000–350,000 | POWERSFIELD VENTURES, INC | SIOUX CITY, IA | Byline Bank |
| $150,000–350,000 | PRECISION LASER SPECIALIST INC. | Lake Zurich, IL | 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 |
| $150,000–350,000 | PREMIER BLUESTONE, INC. | SUSQUEHANNA, PA | Byline Bank |
| $350,000–1 million | PREMIER TILE & STONE LLC | Elmhurst, IL | 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 | 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 |
| $1–2 million | PRINCIPAL MANUFACTURING CORP. | Broadview, IL | Byline Bank |
| $350,000–1 million | PRINT-O-TAPE INC. | Mundelein, 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 |
| $150,000–350,000 | PROCESS TECHNOLOGIES GROUP, INC. | Warrenville, IL | Byline Bank |
| $1–2 million | PROFILE PLASTICS INC. | Lake Bluff, 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 | PROTOPAK ENGINEERING CORP | Elk Grove Village, IL | Byline Bank |
| $150,000–350,000 | PROTOPAK ENGINEERING CORP | ELK GROVE VILLAGE, IL | Byline Bank |
| $150,000–350,000 | PS ITS SOCIAL D/B/A CURTS CAFE | Evanston, IL | Byline Bank |
| $350,000–1 million | PS3 TOOL MOLD & ASSEMBLY | St Charles, 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 | CHICAGO, IL | Byline Bank |