| $350,000–1 million | CLEVELAND FAMILY & COSMETIC DENTISTRY, P.C. | CLEVELAND, TN | Pinnacle Bank |
| $150,000–350,000 | CLEVELAND METAL WORKS, INC. | CLEVELAND, TN | Pinnacle Bank |
| $150,000–350,000 | CLIMB NASHVILLE, LLC | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | CLINARD OIL CO., INC. | THOMASVILLE, NC | Pinnacle Bank |
| $1–2 million | CLINE DESIGN ASSOCIATES, PA | RALEIGH, NC | Pinnacle Bank |
| $350,000–1 million | CLINE GLASS CONTRACTORS | FREMONT, CA | Pinnacle Bank |
| $1–2 million | CLINICAL SOLUTIONS, LLC | FRANKLIN, TN | Pinnacle Bank |
| $350,000–1 million | CLONINGER FORD OF MORGANTON, INC. | SALISBURY, NC | Pinnacle Bank |
| $350,000–1 million | CLONINGER, LLC | FLORENCE, SC | Pinnacle Bank |
| $150,000–350,000 | CLOUDSCALE365, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | CLUB OF STONO FERRY, LLC | HOLLYWOOD, SC | Pinnacle Bank |
| $150,000–350,000 | CLYDE'S NASHVILLE LLC | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | CLYDE'S, LLC | CHATTANOOGA, TN | Pinnacle Bank |
| $350,000–1 million | CMISOLUTIONS, INC. | CHARLOTTE, NC | Pinnacle Bank |
| $150,000–350,000 | CMJ PAINTING LLC | MARYVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | CMK PROPERTIES LLC | BRENTWOOD, TN | Pinnacle Bank |
| $1–2 million | CMS IMAGING INCORPORATED | NORTH CHARLESTON, SC | Pinnacle Bank |
| $350,000–1 million | COAST2COAST SURVEY CORPORATION | CHATTANOOGA, TN | Pinnacle Bank |
| $150,000–350,000 | COASTAL REALTY LLC | HILTON HEAD ISLAND, SC | Pinnacle Bank |
| $350,000–1 million | COASTAL VASCULAR AND VEIN CENTER | CHARLESTON, SC | Pinnacle Bank |
| $350,000–1 million | COASTLINE FAMILY FARMS, INC. | SALINAS, CA | Pinnacle Bank |
| $350,000–1 million | COCAINE AND ALCOHOL AWARENESS PROGRAM, INC. C.A.A.P. | MEMPHIS, TN | Pinnacle Bank |
| $350,000–1 million | COCINA CALIENTE, INC. | FRANKLIN, TN | Pinnacle Bank |
| $150,000–350,000 | COCKLE PRINTING CO. | OMAHA, NE | Pinnacle Bank |
| $150,000–350,000 | COLDITZ TRUCKING, INC. | BLAIRSVILLE, GA | Pinnacle Bank |
| $150,000–350,000 | COLEMAN DINING GROUP INC. | MT PLEASANT, SC | Pinnacle Bank |
| $150,000–350,000 | COLEMAN REALTY COMPANY, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | COLEMAN, CHAMBERS & ROGERS, LLP | GAINESVILLE, GA | Pinnacle Bank |
| $350,000–1 million | COLFAX FURNITURE OF GREENSBORO, INC. | GREENSBORO, NC | Pinnacle Bank |
| $350,000–1 million | COLLEGE AND UNIVERSITY PROFESSIONAL ASSOCIATION FOR HUMAN RESOURCES | KNOXVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | COLLEGEDALE CENTRAL EXXON, INC. | OOLTEWAH, TN | Pinnacle Bank |
| $350,000–1 million | COLLETT MANAGEMENT, LLC | CHARLOTTE, NC | Pinnacle Bank |
| $350,000–1 million | COLLIER ENGINEERING CO., INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | COLLIER ROOFING CO., INC. | NASHVILLE, TN | Pinnacle Bank |
| $350,000–1 million | COLLINS LAW GROUP, PLLC | MONROE, NC | Pinnacle Bank |
| $150,000–350,000 | COLLINS-MAURY, INC. | COLLIERVILLE, TN | Pinnacle Bank |
| $350,000–1 million | COLONIAL, LLC | HIGH POINT, NC | Pinnacle Bank |
| $350,000–1 million | COLORS EDGE, INC | GREENSBORO, NC | Pinnacle Bank |
| $150,000–350,000 | COLORTEST, INC. | CHATTANOOGA, TN | Pinnacle Bank |
| $1–2 million | COLUMBIA ACADEMY INC. | COLUMBIA, TN | Pinnacle Bank |
| $350,000–1 million | COLUMBIA AL OPERATIONS, LLC | ROANOKE, VA | Pinnacle Bank |
| $150,000–350,000 | COLUMBIA MEATS, INC. | GREENVILLE, SC | Pinnacle Bank |
| $350,000–1 million | COLUMBUS FAMILY PRACTICE ASSOCIATES, P.C. | COLUMBUS, NE | Pinnacle Bank |
| $150,000–350,000 | COLUMBUS SALES PAVILION INC | COLUMBUS, NE | Pinnacle Bank |
| $150,000–350,000 | COM-MAR LIMITED | NORTH CHARLESTON, SC | Pinnacle Bank |
| $2–5 million | COMBS CONSTRUCTION COMPANY INC | MOORESVILLE, NC | Pinnacle Bank |
| $350,000–1 million | COMFORT SUPPLY, INCORPORATED | NASHVILLE, TN | Pinnacle Bank |
| $1–2 million | COMMERCIAL INSURANCE ASSOCIATES, LLC | BRENTWOOD, TN | Pinnacle Bank |
| $350,000–1 million | COMMERCIAL ROOFING PRODUCTS, INC. | WINSTON SALEM, NC | Pinnacle Bank |
| $350,000–1 million | COMMERCIAL SIGNS, LLC | SMYRNA, GA | Pinnacle Bank |
| $150,000–350,000 | COMMONWEALTH ANIMAL HOSPITAL PA | CHARLOTTE, NC | Pinnacle Bank |
| $150,000–350,000 | COMMONWEALTH HOSIERY MILLS, INC. | RANDLEMAN, NC | Pinnacle Bank |
| $150,000–350,000 | COMMUNICATION COMPONENTS, LLC | BRENTWOOD, TN | Pinnacle Bank |
| $350,000–1 million | COMMUNITIES IN SCHOOLS OF MEMPHIS, INC. | MEMPHIS, TN | Pinnacle Bank |
| $350,000–1 million | COMMUNITIES IN SCHOOLS OF TENNESSEE | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | COMMUNITY ANIMAL HOSPITAL, PLLC | CLEVELAND, TN | Pinnacle Bank |
| $150,000–350,000 | COMMUNITY FIRST REAL ESTATE INC. | EAS, SC | Pinnacle Bank |
| $150,000–350,000 | COMMUNITY FOUNDATION OF GREATER CHATTANOOGA, INC. (THE) | CHATTANOOGA, TN | Pinnacle Bank |
| $350,000–1 million | COMMUNITY FOUNDATION OF GREATER GREENSBORO, INC. | GREENSBORO, NC | Pinnacle Bank |
| $150,000–350,000 | COMMUNITY HOUSING IMPROVEMENT SYSTEMS AND PLANNING ASSOCIATIONS, INC. | SALINAS, CA | Pinnacle Bank |
| $150,000–350,000 | COMMUNITY PHARMACY OF ALBEMARLE, LLC | ALBEMARLE, NC | Pinnacle Bank |
| $150,000–350,000 | COMMUNITY PIE, LLC | CHATTANOOGA, TN | Pinnacle Bank |
| $2–5 million | COMMUNITY SOLUTIONS FOR CHILDREN, FAMILIES, AND INDIVIDUALS | GILROY, CA | Pinnacle Bank |
| $150,000–350,000 | COMMUNITYWORKS | GREENVILLE, SC | Pinnacle Bank |
| $150,000–350,000 | COMMUNITYWORX (FORMERLY PTA THRIFT SHOP) | CARRBORO, NC | Pinnacle Bank |
| $150,000–350,000 | COMPANY TWENTY TWO LLC | MAHWAH, NJ | Pinnacle Bank |
| $150,000–350,000 | COMPANY X, INC. | FRANKLIN, TN | Pinnacle Bank |
| $350,000–1 million | COMPASS HEALTHCARE AND REHAB GUILFORD, LLC | GREENSBORO, NC | Pinnacle Bank |
| $350,000–1 million | COMPASS HEALTHCARE AND REHAB HAWFIELDS, INC. | MEBANE, NC | Pinnacle Bank |
| $350,000–1 million | COMPASS HEALTHCARE AND REHAB ROWAN, LLC | SPENCER, NC | Pinnacle Bank |
| $150,000–350,000 | COMPASSIONATE SENIOR HOME CARE, LLC | ROCK HILL, SC | Pinnacle Bank |
| $150,000–350,000 | COMPCHOICE, INC. | OMAHA, NE | Pinnacle Bank |
| $1–2 million | COMPLETE DESIGN & PACKAGING, LLC | CONCORD, NC | Pinnacle Bank |
| $2–5 million | COMPLETE FACILITIES MAINTENANCE, INC. | MEMPHIS, TN | Pinnacle Bank |
| $350,000–1 million | COMPLETE TECHNICAL REPRESENTATION, INC. | CARROLLTON, TX | Pinnacle Bank |
| $350,000–1 million | COMPREHENSIVE NEUROLOGY CENTER, PLLC | MURFREESBORO, TN | Pinnacle Bank |
| $350,000–1 million | COMPREHENSIVE SECURITY, INC. | NASHVILLE, TN | Pinnacle Bank |
| $350,000–1 million | COMPUTER CABLE CONNECTION INC | OMAHA, NE | Pinnacle Bank |
| $150,000–350,000 | CONCEPT PLASTICS, INC. | HIGH POINT, NC | Pinnacle Bank |
| $350,000–1 million | CONCEPT TECHNOLOGY, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | CONCORD GLOBAL TRADING, INC. | NEW YORK, NY | Pinnacle Bank |
| $350,000–1 million | CONCORD PROFESSIONAL SERVICES, INC. | KNOXVILLE, TN | Pinnacle Bank |
| $350,000–1 million | CONCORDIA LUTHERAN SCHOOLS OF OMAHA, INC. | OMAHA, NE | Pinnacle Bank |
| $350,000–1 million | CONCRETE & MATERIALS PLACEMENT, L.L.C. | CHARLOTTE, NC | Pinnacle Bank |
| $1–2 million | CONCRETE FORM ERECTORS, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | CONCRETE POLISHING SOLUTIONS, LLC | NORRIS, TN | Pinnacle Bank |
| $1–2 million | CONCRETE POLISHING TECHNOLOGIES, INC. | NORRIS, TN | Pinnacle Bank |
| $150,000–350,000 | CONCRETE WORKS, INC. | MILFORD, NE | Pinnacle Bank |
| $350,000–1 million | CONDEX CORPORATION | SAN JOSE, CA | Pinnacle Bank |
| $350,000–1 million | CONEL INC | OMAHA, NE | Pinnacle Bank |
| $350,000–1 million | CONEXION AMERICAS | NASHVILLE, TN | Pinnacle Bank |
| $350,000–1 million | CONFUSION LLC | CHATTANOOGA, TN | Pinnacle Bank |
| $5–10 million | CONNER CONCEPTS, INC. | KNOXVILLE, TN | Pinnacle Bank |
| $350,000–1 million | CONNOREX-LUCINDA, LLC | CHARLESTON, SC | Pinnacle Bank |
| $1–2 million | CONREX PROPERTY MANAGEMENT, LLC | NORTH CHARLESTON, SC | Pinnacle Bank |
| $150,000–350,000 | CONRY-TAYLOR AND MORROW CPAS PC | KNOXVILLE, TN | Pinnacle Bank |
| $350,000–1 million | CONSOLIDATED TECHNOLOGIES, INC. | CHATTANOOGA, TN | Pinnacle Bank |
| $350,000–1 million | CONSTRUCTION PROFESSIONALS, INC. | MOUNT PLEASANT, SC | Pinnacle Bank |
| $150,000–350,000 | CONSTRUCTION SERVICES GROUP, INC. THE | CHARLESTON, SC | Pinnacle Bank |
| $150,000–350,000 | CONSTRUCTION SOLUTIONS LLC | MEMPHIS, TN | Pinnacle Bank |