| $350,000–1 million | PROGRESSIVE GREEN MEADOWS, LLC | CLEVELAND, OH | S & T Bank |
| $350,000–1 million | PROGRESSIVE INTERCHANGE HEALTHCARE LLC | CLEVELAND, OH | S & T Bank |
| $350,000–1 million | PROGRESSIVE MACEDONIA, LLC | CLEVELAND, OH | S & T Bank |
| $150,000–350,000 | PROJECTILE TUBE CLEANING, INC. | FORD CITY, PA | S & T Bank |
| $350,000–1 million | PROLINE PIPELINE INC | NORTH HUNTINGDON, PA | S & T Bank |
| $150,000–350,000 | PRONTOCK BEER DISTRIBUTORS, INC. | DU BOIS, PA | S & T Bank |
| $350,000–1 million | PROTECH AUTO GROUP INC | CORAOPOLIS, PA | S & T Bank |
| $350,000–1 million | PUBLISHERS STORAGE & SHIPPING, LLC | AKRON, OH | S & T Bank |
| $350,000–1 million | PUGLIANO CONSTRUCTION CO INC. | PITTSBURGH, PA | S & T Bank |
| $2–5 million | PUNXSUTAWNEY AREA HOSPITAL, INC | PUNXSUTAWNEY, PA | S & T Bank |
| $350,000–1 million | PUNXSY MEDICAL SUPPLY | PUNXSUTAWNEY, PA | S & T Bank |
| $150,000–350,000 | PURE WATER TECHNOLOGY OF CENTRAL PA INC | LANCASTER, PA | S & T Bank |
| $350,000–1 million | QUEEN CITY FOODS LLC | BUFFALO, NY | S & T Bank |
| $150,000–350,000 | QUEEN CITY FRESH FOODS LLC | BUFFALO, NY | S & T Bank |
| $150,000–350,000 | R&D CONSTRUCTION COMPANY HEATING & AIR CONDITIONING | KENNETT SQUARE, PA | S & T Bank |
| $350,000–1 million | R.J. DAVIS & COMPANY INC. | YORK HAVEN, PA | S & T Bank |
| $150,000–350,000 | R.V. COLEMAN TRUCKING INC | VANDERGRIFT, PA | S & T Bank |
| $350,000–1 million | R.W.S DEVELOPMENT CO., INC. | IRWIN, PA | S & T Bank |
| $350,000–1 million | RAEDER LANDREE, INC. | PITTSBURGH, PA | S & T Bank |
| $350,000–1 million | RAGE CORPORATION | HILLIARD, OH | S & T Bank |
| $150,000–350,000 | RAGE PLASTICS ALTAVISTA, LLC | ALTAVISTA, VA | S & T Bank |
| $2–5 million | RAM ACOUSTICAL CORPORATION | BEAVER FALLS, PA | S & T Bank |
| $350,000–1 million | RAMOS & ASSOCIATES INC | PHILADELPHIA, PA | S & T Bank |
| $150,000–350,000 | RAY I WINTERS & SONS INC | INDIANA, PA | S & T Bank |
| $150,000–350,000 | RAZORBLADE PRODUCTS, INC | HARRISBURG, PA | S & T Bank |
| $150,000–350,000 | REACTS LLC | HARRISBURG, PA | S & T Bank |
| $350,000–1 million | READY ENTERPRISES LLC | STREETSBORO, OH | S & T Bank |
| $150,000–350,000 | REAL PAINTING INC | IRWIN, PA | S & T Bank |
| $150,000–350,000 | REARDEN STEEL FABRICATION INCORPORATED | LEMOYNE, PA | S & T Bank |
| $350,000–1 million | REARICK TOOLING INC. | APOLLO, PA | S & T Bank |
| $150,000–350,000 | REDEEMER LUTHERAN SCHOOL | VERONA, PA | S & T Bank |
| $150,000–350,000 | REESMAN BODY SHOP LLC | KITTANNING, PA | S & T Bank |
| $150,000–350,000 | REGENCY SEATING, INC. | AKRON, OH | S & T Bank |
| $1–2 million | RELIANT STAFFING LLC | TRAFFORD, PA | S & T Bank |
| $350,000–1 million | RENDA BROADCASTING CORPORATION | PITTSBURGH, PA | S & T Bank |
| $150,000–350,000 | RENN KIRBY AUTOMOTIVE LLC | FREDERICK, MD | S & T Bank |
| $350,000–1 million | RENN KIRBY CHEVROLET BUICK LLC | GETTYSBURG, PA | S & T Bank |
| $150,000–350,000 | RENN KIRBY GETTYSBURG IMPORTS LLC | GETTYSBURG, PA | S & T Bank |
| $1–2 million | RESCHINI AGENCY, INC. | INDIANA, PA | S & T Bank |
| $2–5 million | RESOURCE INTERNATIONAL, INC | COLUMBUS, OH | S & T Bank |
| $350,000–1 million | RESTANO PLUMBING, HEATING AND COOLING, INC. | PITTSBURGH, PA | S & T Bank |
| $350,000–1 million | REVOLUTION ENERGY SERVICES, INC. | MC DONALD, PA | S & T Bank |
| $150,000–350,000 | RHOABOY INC. | ELIZABETH, PA | S & T Bank |
| $150,000–350,000 | RITE ENVELOPE & GRAPHICS | DOWNINGTOWN, PA | S & T Bank |
| $350,000–1 million | RIVER SPEECH & EDUCATIONAL SERVICES INC. | GLENSHAW, PA | S & T Bank |
| $1–2 million | RIVERSIDE ANESTHESIA ASSOCIATES LTD | HARRISBURG, PA | S & T Bank |
| $150,000–350,000 | RJT TRUCKING INC. | MILL RUN, PA | S & T Bank |
| $150,000–350,000 | ROBERT R. MORTIMER DMD, INC. | MURRYSVILLE, PA | S & T Bank |
| $350,000–1 million | ROGERS INDUSTRIAL PRODUCTS INC. | AKRON, OH | S & T Bank |
| $150,000–350,000 | RON MAC INC | LATROBE, PA | S & T Bank |
| $150,000–350,000 | RUNWELL SOLUTIONS, INC. | WYOMISSING, PA | S & T Bank |
| $2–5 million | RYCO INC. | MCKEESPORT, PA | S & T Bank |
| $350,000–1 million | S &T TRUCK AND AUTO SERVICE, INC. | COLUMBUS, OH | S & T Bank |
| $1–2 million | S.R. SNODGRASS, P.C. | CRANBERRY TOWNSHIP, PA | S & T Bank |
| $350,000–1 million | SAFE-WAY GARAGE DOORS, LLC | MIAMISBURG, OH | S & T Bank |
| $350,000–1 million | SAINT AGNES CHURCH | WEST CHESTER, PA | S & T Bank |
| $350,000–1 million | SAL'S HEATING AND COOLING INCORPORATED | NORTH ROYALTON, OH | S & T Bank |
| $1–2 million | SAMPSON MORRIS GROUP, INC. | MONROEVILLE, PA | S & T Bank |
| $150,000–350,000 | SC&C, INC | PITTSBURGH, PA | S & T Bank |
| $150,000–350,000 | SCHULTE & COMPANY CPAS, INC. | FAIRLAWN, OH | S & T Bank |
| $150,000–350,000 | SCHULTHEIS BROS CO | PITTSBURGH, PA | S & T Bank |
| $150,000–350,000 | SEMBOWER-MIKESELL PLUMBING & HEATING, INC. | PITTSBURGH, PA | S & T Bank |
| $150,000–350,000 | SENSING DEVICES, LLC | LANCASTER, PA | S & T Bank |
| $350,000–1 million | SENTINEL SELF STORAGE, LLC | WILMINGTON, DE | S & T Bank |
| $350,000–1 million | SERVICES ACQUISITION CO. LLC DBA TANK SERVICES | DENNISON, OH | S & T Bank |
| $350,000–1 million | SHADCO, LLC | HOME, PA | S & T Bank |
| $350,000–1 million | SHAKER GARDENS OPCO LLC | SHAKER HEIGHTS, OH | S & T Bank |
| $150,000–350,000 | SHORTWAY SERVICE, INC | REYNOLDSVILLE, PA | S & T Bank |
| $350,000–1 million | SIANA LAW, LLP | CHESTER SPRINGS, PA | S & T Bank |
| $150,000–350,000 | SILVER STAR MEATS INC | MC KEES ROCKS, PA | S & T Bank |
| $150,000–350,000 | SINDALL TRUCK SERVICE, LLC | NEW HOLLAND, PA | S & T Bank |
| $350,000–1 million | SINTERGY INC. | REYNOLDSVILLE, PA | S & T Bank |
| $1–2 million | SINTERMET LLC | KITTANNING, PA | S & T Bank |
| $350,000–1 million | SLOAN MOTORS, INC. | EXTON, PA | S & T Bank |
| $2–5 million | SMAIL COMPANY INC | GREENSBURG, PA | S & T Bank |
| $350,000–1 million | SMIGEL, ANDERSON, & SACKS LLP | HARRISBURG, PA | S & T Bank |
| $150,000–350,000 | SOMMA 380 PIZZA RESTAURANT & SPORTS BAR, INC. | VERONA, PA | S & T Bank |
| $350,000–1 million | SOUTH EAST MOTORCYCLE SALES CO. | BEDFORD, OH | S & T Bank |
| $150,000–350,000 | SOUTH HILLS DIAGNOSTIC & TREATMENT CENTER, LP | PITTSBURGH, PA | S & T Bank |
| $350,000–1 million | SPECIAL PATHOGENS LABORATORY, LLC | PITTSBURGH, PA | S & T Bank |
| $150,000–350,000 | SPECIALISTS IN CARDIOVASCULAR MEDICINE, P.C. | MONROEVILLE, PA | S & T Bank |
| $150,000–350,000 | SPECIALIZED WELDING INC. | EXPORT, PA | S & T Bank |
| $150,000–350,000 | SPECIALTY SEAL GROUP, INC. | LATROBE, PA | S & T Bank |
| $150,000–350,000 | SSI, INC. | CRANBERRY TOWNSHIP, PA | S & T Bank |
| $150,000–350,000 | ST MAXIMILIAN KOLBE CHURCH | WEST CHESTER, PA | S & T Bank |
| $1–2 million | ST. ANNE HOME | GREENSBURG, PA | S & T Bank |
| $150,000–350,000 | ST. DAVID'S NURSERY SCHOOL | DEVON, PA | S & T Bank |
| $150,000–350,000 | STAMPONE LAW, P.C. | CHELTENHAM, PA | S & T Bank |
| $150,000–350,000 | STANCIL INC. | CRANBERRY TOWNSHIP, PA | S & T Bank |
| $150,000–350,000 | STANLEY'S HARDWARE INC. | PHILADELPHIA, PA | S & T Bank |
| $150,000–350,000 | STAR USA, INC. | WOOSTER, OH | S & T Bank |
| $350,000–1 million | STATE COLLEGE FORD LINCOLN, INC. | STATE COLLEGE, PA | S & T Bank |
| $350,000–1 million | STATION AUTO PARTS INC | CORAOPOLIS, PA | S & T Bank |
| $150,000–350,000 | STATION TAPROOM, LLC | DOWNINGTOWN, PA | S & T Bank |
| $150,000–350,000 | STEELE CONSTRUCTION, INC. | STAHLSTOWN, PA | S & T Bank |
| $150,000–350,000 | STEPHEN F. PETERS, INC. | NEWPORT, PA | S & T Bank |
| $150,000–350,000 | STEPHENS EXCAVATING SERVICE, LLC | KENNETT SQUARE, PA | S & T Bank |
| $2–5 million | STEPHENSON EQUIPMENT, INC. | HARRISBURG, PA | S & T Bank |
| $2–5 million | STRATEGIC SYSTEMS INC | DUBLIN, OH | S & T Bank |
| $350,000–1 million | STRUCTURAL ENGINEERING CORPORATION OF PITTSBURGH F/K/A STRUCTURAL ENGINEERING | PITTSBURGH, PA | S & T Bank |