| $2–5 million | MORAN TRANSPORTATION CORPORATION | Elk Grove Village, IL | Byline Bank |
| $350,000–1 million | MORELIA SUPERMARKET #2, INC. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | MORELIA SUPERMARKET, INC. | CHICAGO, IL | Byline Bank |
| $350,000–1 million | MORGAN OHARE INC. | Addison, IL | Byline Bank |
| $350,000–1 million | MORGAN OHARE, INC. | Addison, IL | Byline Bank |
| $350,000–1 million | MORRISON SECURITY CORPORATION | Alsip, IL | Byline Bank |
| $350,000–1 million | MORRISON SECURITY GROUP INC | Las Vegas, NV | Byline Bank |
| $350,000–1 million | MORRISON SECURITY GROUP INC | Las Vegas, NV | Byline Bank |
| $150,000–350,000 | MOSAIC EARLY CHILDHOOD CENTER INC. | Skokie, IL | Byline Bank |
| $150,000–350,000 | MOSAIC EARLY CHILDHOOD CENTER, INC. | Skokie, IL | Byline Bank |
| $150,000–350,000 | MOUNTAINEER NEWSPAPERS, INC. | BUCKHANNON, WV | Byline Bank |
| $350,000–1 million | MP RESTAURANT LLC | Mount Pleasant, SC | Byline Bank |
| $150,000–350,000 | MP RESTAURANT, LLC | MOUNT PLEASANT, SC | Byline Bank |
| $150,000–350,000 | MRS. MURPHY & SON LTD DBA MRS. MURPHY & SONS IRISH BISTRO | Chicago, IL | Byline Bank |
| $2–5 million | MRT SUREWAY INC. | Franklin Park, IL | Byline Bank |
| $2–5 million | MRT SUREWAY, INC. | Franklin Park, IL | Byline Bank |
| $150,000–350,000 | MULTILINGUAL CONNECTIONS LLC | Evanston, IL | Byline Bank |
| $350,000–1 million | MULTIMEDIA SALES & MARKETING INC | Buffalo Grove, IL | Byline Bank |
| $350,000–1 million | MUSIC INSTITUTE OF CHICAGO | Evanston, IL | Byline Bank |
| $350,000–1 million | MUSIC INSTITUTE OF CHICAGO | Evanston, IL | Byline Bank |
| $150,000–350,000 | NATIONAL FILTERS, INC. | HARBOR BEACH, MI | Byline Bank |
| $150,000–350,000 | NATIONAL PLASTICS AND SEALS, INC. | SCHAUMBURG, IL | Byline Bank |
| $350,000–1 million | NATIONWIDE RAIL SERVICES, INC | Burr Ridge, IL | Byline Bank |
| $350,000–1 million | NATURE'S PERSPECTIVE LANDSCAPING INC | Evanston, IL | Byline Bank |
| $150,000–350,000 | NATURES BEST FOODS, INC. | WESTMONT, IL | Byline Bank |
| $350,000–1 million | NE FIBER LLC | Charlotte, NC | Byline Bank |
| $350,000–1 million | NE FIBERS, LLC | CHARLOTTE, NC | Byline Bank |
| $150,000–350,000 | NEAT EATS L.L.C. | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | NEW EINSTEINS-RAVENSWOOD, INC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | NEW LINE TAVERN CORPORATION | Chicago, IL | Byline Bank |
| $150,000–350,000 | NEW MERIDIAN BEER, LLC | SUN PRAIRIE, WI | Byline Bank |
| $150,000–350,000 | NEWPOINT ADVISORS CORPORATION | Schaumburg, IL | Byline Bank |
| $150,000–350,000 | NEWPOINT ADVISORS CORPORATION | SCHAUMBURG, IL | Byline Bank |
| $150,000–350,000 | NEWPORT NEWSPAPERS, INC. | NEWPORT, OR | Byline Bank |
| $2–5 million | NEWS MEDIA CORPORATION | ROCHELLE, IL | Byline Bank |
| $150,000–350,000 | NEXT HEALTH CHOICE LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | NEXT HEALTH CHOICE, LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | NINE- FIFTY LTD | Chicago, IL | Byline Bank |
| $150,000–350,000 | NINE- FIFTY LTD | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | NLRG INC. | New Lenox, IL | Byline Bank |
| $150,000–350,000 | NLRG, INC. | NEW LENOX, IL | Byline Bank |
| $150,000–350,000 | NOOKIES ON WELLS INC | Chicago, IL | Byline Bank |
| $150,000–350,000 | NOOKIES ON WELLS INC | Chicago, IL | Byline Bank |
| $150,000–350,000 | NORTH CLYBOURN GROUP, INC. | Chicago, IL | Byline Bank |
| $150,000–350,000 | NORTH SHORE DENTISTRY FOR CHILDREN LTD. | Evanston, IL | Byline Bank |
| $150,000–350,000 | NORTH SHORE DENTISTRY FOR CHILDREN, LTD. | Evanston, IL | Byline Bank |
| $150,000–350,000 | NORTH SHORE SIGN COMPANY | Libertyville, IL | Byline Bank |
| $150,000–350,000 | NORTH SHORE SIGN COMPANY | Libertyville, IL | Byline Bank |
| $350,000–1 million | NORTH STAR INN CORP | Chicago, IL | Byline Bank |
| $150,000–350,000 | NORTH STAR INN CORP | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | NORTHWEST HOME FOR THE AGED | CHICAGO IL, IL | Byline Bank |
| $350,000–1 million | NOVATRONIX INC. | WOOD DALE, IL | Byline Bank |
| $150,000–350,000 | NUCYCLE ENERGY OF TAMPA LLC | PLANT CITY, FL | Byline Bank |
| $150,000–350,000 | NWB LISLE LLC | Lisle, IL | Byline Bank |
| $150,000–350,000 | NWB LISLE LLC | Lisle, IL | Byline Bank |
| $150,000–350,000 | O'DADDY LLC | Chicago, IL | Byline Bank |
| $350,000–1 million | O'DADDY WRIGLEY LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | O'DADDY WRIGLEY, LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | O'DADDY, LLC | Chicago, IL | Byline Bank |
| $350,000–1 million | O'HARE ENGINEERING, INC. | WHEELING, IL | Byline Bank |
| $350,000–1 million | OAK PARK RESIDENCE CORPORATION | Oak Park, IL | Byline Bank |
| $150,000–350,000 | OAK PARK TEMPLE | OAK PARK, IL | Byline Bank |
| $350,000–1 million | OAK-LEYDEN DEVELOPMENTAL SERVICES | OAK PARK, IL | Byline Bank |
| $150,000–350,000 | OB-GYNE BILLING SERVICE LLC | PALATINE, IL | Byline Bank |
| $150,000–350,000 | OCHSMAN INC. | Janesville, WI | Byline Bank |
| $150,000–350,000 | OCHSMAN, INC. | JANESVILLE, WI | Byline Bank |
| $350,000–1 million | OCKERLUND INDUSTRIES, INC. | ADDISION, IL | Byline Bank |
| $150,000–350,000 | OF RESTAURANT ENTERPRISES INC. | Plainfield, IL | Byline Bank |
| $150,000–350,000 | OGDEN FOODS LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | OGDEN FOODS LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | OLD NEW YORK BAGEL & DELI COMPANY INC | Camarillo, CA | Byline Bank |
| $150,000–350,000 | OLD NEW YORK BAGEL & DELI COMPANY INC | CAMARILLO, CA | Byline Bank |
| $150,000–350,000 | OLD NEW YORK DELI & BAKERY CO. INC | Woodland Hills, CA | Byline Bank |
| $150,000–350,000 | OLD NEW YORK DELI & BAKERY CO., INC | WOODLAND HILLS, CA | Byline Bank |
| $350,000–1 million | ONION CERMAK ENTERPRISES, LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | ONION DIVISION ENTERPRISES LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | ONION DIVISION ENTERPRISES LLC | CHICAGO, IL | Byline Bank |
| $350,000–1 million | ONION DIVISION NASHVILLE ENTERPRISES LLC | Chicago, IL | Byline Bank |
| $150,000–350,000 | ONION DIVISION NASHVILLE ENTERPRISES LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ONION ERIE ENTERPRISES LLC | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | ONION WEBSTER ENTERPRISES | Chicago, IL | Byline Bank |
| $150,000–350,000 | OPPORTUNITY HEALTHCARE, L.L.C. | SANDY, UT | Byline Bank |
| $150,000–350,000 | OPTIMUM SERVICES GROUP INC. | Naperville, IL | Byline Bank |
| $150,000–350,000 | OPTIMUM SERVICES GROUP, INC. | LISLE, IL | Byline Bank |
| $350,000–1 million | OPTIONS FOR COMMUNITY GROWTH, INC. | HALES CORNERS, WI | Byline Bank |
| $350,000–1 million | ORBIT MEDIA STUDIOS, INC. | Chicago, IL | Byline Bank |
| $350,000–1 million | ORCHARD VILLAGE | Skokie, IL | Byline Bank |
| $1–2 million | ORCHID MONROE LLC | Monroe, WI | Byline Bank |
| $1–2 million | ORCHID MONROE, LLC | MONROE, WI | Byline Bank |
| $150,000–350,000 | ORLAND PRECISION MACHINE, LLC | FRANKFORT, IL | Byline Bank |
| $350,000–1 million | ORLUCK INDUSTRIES INC. | Elk River, MN | Byline Bank |
| $350,000–1 million | ORLUCK INDUSTRIES, INC. | EXCELSIOR, MN | Byline Bank |
| $350,000–1 million | OSCAR ISBERIAN RUGS INC | EVANSTON, IL | Byline Bank |
| $150,000–350,000 | OSCAR ISBERIAN RUGS INC | Evanston, IL | Byline Bank |
| $1–2 million | OTGP MANAGEMENT LLC | Chapel Hill, NC | Byline Bank |
| $150,000–350,000 | OUR LADY OF CHARITY/THE CATHOLIC BISHOP OF CHICAGO | Cicero, IL | Byline Bank |
| $350,000–1 million | OUR LADY OF MOUNT CARMEL CHURCH | CHICAGO, IL | Byline Bank |
| $150,000–350,000 | OUR WOOD LOFT LTD | Lombard, IL | Byline Bank |
| $150,000–350,000 | OUR WOOD LOFT LTD. | Lombard, IL | Byline Bank |
| $350,000–1 million | OVE WATER SERVICES, INC. | MUKWONAGO, WI | Byline Bank |