| $150,000–350,000 | NORTHERN PRECISION PRODUCTS INC. | Leroy, MI | Mercantile Bank |
| $350,000–1 million | NORTHLAND FARMS LLC | WEST OLIVE, MI | Mercantile Bank |
| $150,000–350,000 | NORTHLAND INVESTMENTS INC. | HOUGHTON LAKE, MI | Mercantile Bank |
| $350,000–1 million | NORTHSIDE SERVICE INC. | LANSING, MI | Mercantile Bank |
| $150,000–350,000 | NOVE COMMUNICATIONS, INC. | KALAMAZOO, MI | Mercantile Bank |
| $1–2 million | NUVAR INC | HOLLAND, MI | Mercantile Bank |
| $1–2 million | NUVAR INC. | Holland, MI | Mercantile Bank |
| $150,000–350,000 | NVIINT INC. | CALEDONIA, MI | Mercantile Bank |
| $150,000–350,000 | OFTA I, LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | OFTA II, LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | OFTA LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | OKEMOS HOSPITALITY GROUP LLC | Okemos, MI | Mercantile Bank |
| $350,000–1 million | OLYMPIAN TOOL, LLC | SAINT JOHNS, MI | Mercantile Bank |
| $150,000–350,000 | OMEGA COMPUTER SERVICES, L.C. | PORTAGE, MI | Mercantile Bank |
| $150,000–350,000 | ONE REALTY, LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | ONIT TRANSPORTATION INC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | ONIT TRANSPORTATION INC. | Grand Rapids, MI | Mercantile Bank |
| $2–5 million | OPUS PACKAGING GROUP, INC. | CALEDONIA, MI | Mercantile Bank |
| $1–2 million | ORBITFORM GROUP L.L.C. | Jackson, MI | Mercantile Bank |
| $1–2 million | ORBITFORM GROUP, LLC | JACKSON, MI | Mercantile Bank |
| $5–10 million | ORCHARD, HILTZ & MCCLIMENT, INC. | LIVONIA, MI | Mercantile Bank |
| $350,000–1 million | ORION II CONSTRUCTION INC. | Grand Rapids, MI | Mercantile Bank |
| $350,000–1 million | ORION LL CONSTRUCTION, INC. | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | ORNAMENTAL IRON OF KALAMAZOO INC | KALAMAZOO, MI | Mercantile Bank |
| $150,000–350,000 | OWENS SOFT WATER INC | CLARE, MI | Mercantile Bank |
| $350,000–1 million | PALADIN IND. INC. | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | PALADIN INDUSTRIES INC. | Kentwood, MI | Mercantile Bank |
| $150,000–350,000 | PALMER CONSTRUCTION SERVICES LLC | Lansing, MI | Mercantile Bank |
| $150,000–350,000 | PALMER CONSTRUCTION SERVICES, LLC | LANSING, MI | Mercantile Bank |
| $1–2 million | PARADIGM DESIGN P.C. | Grand Rapids, MI | Mercantile Bank |
| $1–2 million | PARADIGM DESIGN PC | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | PARADISE MOTOR SALES, INC. | LANSING, MI | Mercantile Bank |
| $350,000–1 million | PARAGON CONSTRUCTION COMPANY LLC | Ada, MI | Mercantile Bank |
| $350,000–1 million | PARAGON CONSTRUCTION COMPANY LLC | ADA, MI | Mercantile Bank |
| $150,000–350,000 | PARK RITE VALET LLC | Grosse Pointe Woods, MI | Mercantile Bank |
| $150,000–350,000 | PARK RITE VALET, LLC | GROSSE POINTE WOODS, MI | Mercantile Bank |
| $150,000–350,000 | PARK RITE WAYNE LLC | Grosse Pointe Woods, MI | Mercantile Bank |
| $150,000–350,000 | PARK RITE WAYNE, LLC | GROSSE POINTE WOODS, MI | Mercantile Bank |
| $350,000–1 million | PARKER-ARNTZ PLUMBING & HEATING INC | Greenville, MI | Mercantile Bank |
| $1–2 million | PARKER-ARNTZ PLUMBING AND HEATING, INC. | GREENVILLE, MI | Mercantile Bank |
| $1–2 million | PEAKER SERVICES INC | BRIGHTON, MI | Mercantile Bank |
| $2–5 million | PELLA MID-ATLANTIC INC | BELTSVILLE, MD | Mercantile Bank |
| $350,000–1 million | PERFECT COMFORT, INC. | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | PINNACLE CONSTRUCTION GOUP, INC. | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | PLAINFIELD FLORAL AND GIFT SHOPPE | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | PLAINFIELD FLORAL AND GIFT SHOPPE INC. | Grand Rapids, MI | Mercantile Bank |
| $1–2 million | PLASTI-PAINT INC. | Saint Louis, MI | Mercantile Bank |
| $1–2 million | PLASTI-PAINT, INC. | SAINT LOUIS, MI | Mercantile Bank |
| $350,000–1 million | PLASTIC MOLD TECHNOLOGY, INC. | GRAND RAPIDS, MI | Mercantile Bank |
| $2–5 million | PLEASANT VIEW SHIAWASSEE COUNTY MEDICAL CARE FACILITY | OWOSSO, MI | Mercantile Bank |
| $2–5 million | PLEUNE SERVICE COMPANY & PLEUN | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | PLUMMERS DISPOSAL SERVICE, INC. | WAYLAND, MI | Mercantile Bank |
| $350,000–1 million | POTTER DISTRIBUTING, INC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | POWDER COTE II INC | MOUNT CLEMENS, MI | Mercantile Bank |
| $1–2 million | POWDER COTE II, LLC | CLINTON, TN | Mercantile Bank |
| $350,000–1 million | POWELL FABRICATION & MANUFACTURING LLC | Saint Louis, MI | Mercantile Bank |
| $350,000–1 million | POWELL FABRICATION AND MANUFACTURING LLC | SAINT LOUIS, MI | Mercantile Bank |
| $1–2 million | PRESTIGE STAMPING, LLC | WARREN, MI | Mercantile Bank |
| $150,000–350,000 | PRISM MEDICAL ASSOCIATES P.C. | Alma, MI | Mercantile Bank |
| $150,000–350,000 | PRISM MEDICAL ASSOCIATES P.C. | ALMA, MI | Mercantile Bank |
| $350,000–1 million | PROCESS ENGINEERING & EQUIPMENT COMPANY | COMSTOCK PARK, MI | Mercantile Bank |
| $350,000–1 million | PROCESS ENGINEERING & EQUIPMENT COMPANY | Comstock Park, MI | Mercantile Bank |
| $1–2 million | PROFILE INDUSTRIAL PACKAGING CORPORATION | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | PROGRESS MICHIGAN EDUCATION | LANSING, MI | Mercantile Bank |
| $150,000–350,000 | PROGRESSIVE HEATING COOLING & REFRIGERATION, INC. | LOWELL, MI | Mercantile Bank |
| $150,000–350,000 | PROGRESSIVE HEATING COOLING AND REFRIGERATION INC. | Lowell, MI | Mercantile Bank |
| $350,000–1 million | PROLINE EQUIPMENT COMPANY | DORR, MI | Mercantile Bank |
| $150,000–350,000 | PROTEOS, INC | KALAMAZOO, MI | Mercantile Bank |
| $150,000–350,000 | PURE REAL ESTATE MANAGEMENT LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | PURFORMS INC. | Lowell, MI | Mercantile Bank |
| $350,000–1 million | PURFORMS, INC. | LOWELL, MI | Mercantile Bank |
| $350,000–1 million | PURITAN REFORMED THEOLOGICAL SEMINARY | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | QUALITY AIR SERVICE INC | Portage, MI | Mercantile Bank |
| $350,000–1 million | QUALITY AIR SERVICES INC | PORTAGE, MI | Mercantile Bank |
| $150,000–350,000 | QUALITY CARE MANAGEMENT, LLC | CHESANING, MI | Mercantile Bank |
| $150,000–350,000 | QUALITY LIFE SCIENCE LOGISTICS, LLC | SPRING LAKE, MI | Mercantile Bank |
| $150,000–350,000 | QUALITY PALLET, INC. | MUSKEGON, MI | Mercantile Bank |
| $350,000–1 million | RADIANT CHURCH | RICHLAND, MI | Mercantile Bank |
| $350,000–1 million | RAPID FIRE PROTECTION INC | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | RAPID FIRE PROTECTION INC. | Grand Rapids, MI | Mercantile Bank |
| $150,000–350,000 | RAPID TOOLING SYSTEMS | GRAND RAPIDS, MI | Mercantile Bank |
| $350,000–1 million | RATTUNDE CORPORATION | CALEDONIA, MI | Mercantile Bank |
| $350,000–1 million | RECOGNATION, LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | REICHENBACH CEILING & PARTITION CO. | Okemos, MI | Mercantile Bank |
| $1–2 million | REICHENBACH CEILING & PARTITION COMPANY | OKEMOS, MI | Mercantile Bank |
| $150,000–350,000 | RELIABLE AUTO FINANCE, INC. | WYOMING, MI | Mercantile Bank |
| $150,000–350,000 | REMPCO ACQUISITION, INC | CADILLAC, MI | Mercantile Bank |
| $350,000–1 million | REPCOLITE PAINTS, INC. | HOLLAND, MI | Mercantile Bank |
| $350,000–1 million | RESEARCH TOOL CORPORATION | Ovid, MI | Mercantile Bank |
| $350,000–1 million | RESEARCH TOOL CORPORATION | OVID, MI | Mercantile Bank |
| $350,000–1 million | REST HAVEN HOMES INC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | RESURRECTION LIFE FULL GOSPEL CHURCH | Grandville, MI | Mercantile Bank |
| $150,000–350,000 | REVOLUTION FARMS, LLC | GRAND RAPIDS, MI | Mercantile Bank |
| $1–2 million | RHOADES MCKEE PC | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | RICH'S CADILLAC TRUCK SERVICE, INC. | CADILLAC, MI | Mercantile Bank |
| $2–5 million | RITE-WAY PLUMBING & HEATING INC. | Grand Rapids, MI | Mercantile Bank |
| $2–5 million | RITE-WAY PLUMBING & HEATING, INC. | GRAND RAPIDS, MI | Mercantile Bank |
| $150,000–350,000 | RIVERDALE FEED & GRAIN | RIVERDALE, MI | Mercantile Bank |
| $150,000–350,000 | ROADHOUSE TAVERN LLC | Grand Rapids, MI | Mercantile Bank |
| $350,000–1 million | ROAK BREWING CO., LLC | ROYAL OAK, MI | Mercantile Bank |