| Zelienople, PA | SUN ENERGY SERVICES, LLC | 627 | 5 | 1,094 |
| Wilkes-barre, PA | SUNDANCE VACATIONS | 68 | 3 | 88 |
| Minneapolis, MN | SUPERVALU INC | 0 | 3 | 10 |
| Grapevine, TX | SUVETO, LLC | 1,482 | 5 | 39 |
| New Kensington, PA | SWANK CONSTRUCTION COMPANY, LLC | 164 | 7 | 395 |
| Swarthmore, PA | SWARTHMORE COLLEGE | 1,013 | 8 | 199 |
| Sykesville, PA | SYMMCO, INC. | 150 | 4 | 149 |
| Turtle Creek, PA | TAKTL LLC | 90 | 2 | 115 |
| St Petersburg, FL | TAMPA BAY RAYS BASEBALL LTD. WELFARE BENEFITS PLAN | 442 | 7 | 358 |
| Wilkes-barre, PA | TEAMSTERS LOCAL UNIONS 401 AND 773 HEALTH PLAN | 902 | 6 | 2,516 |
| Pittsburgh, PA | TELETRACKING TECHNOLOGIES, INC. | 284 | 10 | 525 |
| Scranton, PA | THE ADVOCACY ALLIANCE | 103 | 6 | 153 |
| Philadelphia, PA | THE AMERICAN ONCOLOGIC HOSPITAL D/B/A THE HOSPITAL OF FOX CHASE | 0 | 7 | 36 |
| Scranton, PA | THE ARC OF NORTHEASTERN PENNSYLVANIA | 100 | 5 | 129 |
| Shippensburg, PA | THE BEISTLE COMPANY | 186 | 4 | 149 |
| Glenmoore, PA | THE CAMPHILL SCHOOL | 127 | 4 | 321 |
| Pittsburgh, PA | THE CHILDREN'S INSTITUTE OF PITTSBURGH | 247 | 3 | 324 |
| Gordonville, PA | THE CLINIC FOR SPECIAL CHILDREN, INC. | 29 | 6 | 66 |
| Lancaster, PA | THE EXTERIOR COMPANY, INC. | 56 | 3 | 64 |
| Hershey, PA | THE HERSHEY COMPANY | 20,098 | 6 | 99 |
| Pittsburgh, PA | THE MIDSTREAM COMPANY LLC | 0 | 4 | 90 |
| Houston, PA | THE PERRYMAN COMPANY | 711 | 4 | 711 |
| Reading, PA | THE PHOENIX FORGE GROUP LLC | 527 | 4 | 667 |
| Pittsburgh, PA | THE PITTSBURGH FOUNDATION | 131 | 4 | 346 |
| Pittsburgh, PA | THE PNC FINANCIAL SERVICES GROUP, INC. | 55,898 | 13 | 75 |
| Hershey, PA | THE VISTA FOUNDATION | 317 | 8 | 360 |
| Camp Hill, PA | THE WARRELL CORPORATION | 104 | 7 | 62 |
| Sewickley, PA | THE WATSON INSTITUTE | 508 | 3 | 751 |
| Williamsport, PA | THE WILLIAMSPORT HOME | 144 | 2 | 169 |
| Scranton, PA | THE WRIGHT CENTER FOR GRADUATE MEDICAL EDUCATION | 633 | 5 | 730 |
| Greenville, PA | THIEL COLLEGE | 196 | 3 | 142 |
| Conestoga, PA | THLP CO., LLC | 943 | 11 | 1,082 |
| Reading, PA | THRESHOLD REHABILITATION SERVICES, INC. | 150 | 5 | 141 |
| Warrendale, PA | TITHONUS HEALTH CARE | 354 | 1 | 361 |
| Pittsburgh, PA | TOBII DYNAVOX, LLC | 609 | 4 | 1,073 |
| Orangeville, PA | TOM BOWMAN TRUCKING | 28 | 4 | 42 |
| Honesdale, PA | TOP NOTCH DISTRIBUTORS, INC. | 310 | 3 | 379 |
| York, PA | TRADITIONS BANK | 134 | 5 | 99 |
| Monroeville, PA | TRANSTAR, LLC | 394 | 3 | 1,027 |
| Pittsburgh, PA | TRIANGLE TECH, INC. | 0 | 12 | 62 |
| Tarentum, PA | TRIB TOTAL MEDIA, INC. | 168 | 3 | 330 |
| Wilkes-barre, PA | TRION INDUSTRIES, INC. | 229 | 6 | 363 |
| Hanover, PA | TRUENORTH WELLNESS SERVICES | 126 | 3 | 145 |
| Pittsburgh, PA | TUCKER ARENSBERG PC | 121 | 5 | 299 |
| Mckees Rocks, PA | TUDI MECHANICAL SYSTEMS, INC. | 215 | 2 | 215 |
| Tioga, PA | TYOGA CONTAINER COMPANY, INC. | 140 | 2 | 198 |
| Portland, PA | ULTRA-POLY CORPORATION | 220 | 4 | 259 |
| Philadelphia, PA | UNIQUE INDUSTRIES, INC. | 887 | 7 | 837 |
| Mechanicsburg, PA | UNIQUESOURCE PRODUCTS & SERVICES | 47 | 4 | 103 |
| Scranton, PA | UNITED ASSOCIATION OF JOURNEYMEN HEALTH & WELFARE FUND | 295 | 5 | 307 |
| Parkersburg, WV | UNITED BANKSHARES, INC. | 2,522 | 7 | 74 |
| Camp Hill, PA | UNITED CEREBRAL PALSY OF CENTRAL PENNSYLVANIA | 332 | 4 | 355 |
| Camp Hill, PA | UNITED CHURCH OF CHRIST HOMES | 598 | 6 | 583 |
| Lancaster, PA | UNITED DISABILITIES SERVICES FOUNDATION | 271 | 10 | 206 |
| Scranton, PA | UNITED GILSONITE LABORATORIES, INC. | 99 | 2 | 83 |
| Providence, RI | UNITED NATURAL FOODS, INC | 15,198 | 12 | 454 |
| Warren, PA | UNITED REFINING COMPANY | 1,726 | 7 | 432 |
| Dunmore, PA | UNIVERSAL PRINTING COMPANY LLC | 134 | 3 | 127 |
| Wrightsville, PA | UNIVERSAL PROJECTS, INC. T/A ACE DISTRIBUTING | 116 | 6 | 140 |
| Bridgeville, PA | UNIVERSAL STAINLESS AND ALLOY PRODUCTS, INC. | 740 | 6 | 295 |
| Philadelphia, PA | URBAN ENGINEERS OF NEW YORK, D.P.C. | 98 | 4 | 139 |
| Pittston, PA | US HYDRATIONS | 123 | 5 | 178 |
| Tampa, FL | USG MANAGEMENT SERVICES OF FLORIDA, INC. | 218 | 3 | 277 |
| Conshohocken, PA | UTILITY LINE SERVICES, INC. | 103 | 3 | 130 |
| Greensburg, PA | UTILITY WORKER'S UNION OF AMERICA 102 | 511 | 1 | 511 |
| Allentown, PA | VALLEY HEALTH PARTNERS | 179 | 3 | 452 |
| Harrisburg, PA | VEBA COMMITTEE | 217 | 2 | 160 |
| Pittsburgh, PA | VEBA COMMITTEE JULY PRODUCTS,LLC-USW RETIREE WELFARE TRUST | 0 | 3 | 150 |
| Pittsburgh, PA | VEBA COMMITTEE RETIREES OF CTNA HEALTH CARE TRUST | 0 | 1 | 1,526 |
| Pittsburgh, PA | VEBA COMMITTEE, USW/CRUCIBLE RETIREES HEALTH AND WELFARE TRUST | 0 | 4 | 221 |
| Pittsburgh, PA | VEBA COMMITTEE,STEELWORKERS ROCKWELL RETIREE HEALTH CARE TRUST | 0 | 3 | 76 |
| Pittsburgh, PA | VEBA FOR RETIREES OF WCI STEEL | 0 | 2 | 690 |
| Basking Ridge, NJ | VERIZON COMMUNICATIONS INC. | 68,030 | 141 | 413 |
| Manheim, PA | VIOCITY GROUP, INC. | 108 | 5 | 195 |
| Canonsburg, PA | VITAC CORPORATION | 524 | 3 | 666 |
| Mars, PA | VOGEL HOLDING, INC. | 671 | 7 | 230 |
| Corry, PA | VPI ACQUISITION LLC VIKING PLASTICS | 160 | 8 | 122 |
| Easton, PA | WALLACE SUPPLY, LLC | 137 | 2 | 208 |
| Warren, PA | WARREN GENERAL HOSPITAL | 416 | 1 | 428 |
| Washington, PA | WASHINGTON & JEFFERSON COLLEGE | 290 | 5 | 513 |
| Washington, PA | WASHINGTON FINANCIAL BANK | 171 | 8 | 273 |
| Harrisburg, PA | WEBPAGEFX, LLC | 384 | 3 | 519 |
| Shelocta, PA | WEST PENN ENERGY SERVICES, LLC | 103 | 4 | 196 |
| Camp Hill, PA | WEST SHORE COUNTRY CLUB | 50 | 4 | 51 |
| York, PA | WESTFALIA TECHNOLOGIES, INC. | 199 | 9 | 114 |
| Wilkes-barre, PA | WESTGUARD INSURANCE COMPANY | 957 | 5 | 982 |
| Pittsburgh, PA | WEXFORD HEALTH SOURCES, INC. | 2,120 | 5 | 14 |
| Willow Street, PA | WILLOW VALLEY COMMUNITIES | 870 | 8 | 895 |
| Chambersburg, PA | WILSON COLLEGE | 156 | 6 | 187 |
| Lancaster, PA | WOHLSEN CONSTRUCTION COMPANY | 265 | 2 | 442 |
| Pittsburgh, PA | WOLFE LLC | 142 | 6 | — |
| Camp Hill, PA | WOOD & MYERS ORAL & MAXILLOFACIAL SURGERY, P.C. | 70 | 5 | 61 |
| Imperial, PA | WORKOVER SOLUTIONS | 130 | 4 | 303 |
| Pipersville, PA | WORTH & COMPANY, INC. | 504 | 5 | 396 |
| Pittsburgh, PA | WPSC RETIREE BENEFITS TRUST COMMITTEE | 0 | 3 | 2,576 |
| Wexford, PA | WRIGHT PONTIAC, INC. | 152 | 4 | 152 |
| New Kensington, PA | XODUS MEDICAL | 128 | 2 | 239 |
| New Oxford, PA | YAZOO MILLS INCORPORATED | 182 | 5 | 378 |
| Dallastown, PA | YOE CONSTRUCTION, INC. | 48 | 3 | — |
| Harrisburg, PA | YOUTH ADVOCATE PROGRAMS, INC. | 353 | 4 | 647 |
| Lancaster, PA | YWCA LANCASTER, INC. | 37 | 3 | 39 |
| Chicago, IL | ZEKELMAN INDUSTRIES | 2,043 | 7 | 4,362 |
| Mechanicsburg, PA | ZIMMERMAN PLUMBING & HEATING, INC. | 28 | 6 | 35 |
| Pittsburgh, PA | ZOOLOGICAL SOCIETY OF PITTSBURGH | 162 | 6 | 249 |