| 1 | AMERISOURCEBERGEN DRUG CORP | $15.35B | 1.1M |
| 2 | PA DEPARTMENT OF HUMAN SERVICES | $11.98B | 266 |
| 3 | PENNSYLVANIA DEPARTMENT OF TRANSPORTATION | $4.14B | 6K |
| 4 | OPPORTUNITY FINANCE NETWORK | $2.29B | 1 |
| 5 | DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT PENNSYLVANIA | $1.46B | 47 |
| 6 | BECHTEL PLANT MACHINERY, INC. | $1.41B | 19 |
| 7 | PENNSYLVANIA DEPT OF EDUATION | $1.30B | 114 |
| 8 | THE BOEING COMPANY | $1.07B | 606 |
| 9 | PHILADELPHIA HOUSING AUTHORITY | $991.7M | 365 |
| 10 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | $954.5M | 116 |
| 11 | SANOFI VACCINES US INC. | $941.5M | 287 |
| 12 | SOUTHEASTERN PENNSYLVANIA TRANSPORTATION AUTHORITY | $914.5M | 50 |
| 13 | BAE SYSTEMS LAND & ARMAMENTS L.P. | $855.4M | 47 |
| 14 | PENNVEST | $833.2M | 21 |
| 15 | TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA, THE | $819.8M | 3K |
| 16 | TRUMBULL CORPORATION AND BRAYMAN CONSTRUCTION CORPORATION, A JOINT VENTURE | $770.0M | 3 |
| 17 | UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION | $721.4M | 3K |
| 18 | THE PENNSYLVANIA STATE UNIVERSITY | $556.7M | 2K |
| 19 | WESTON SOLUTIONS INC | $507.3M | 329 |
| 20 | DEPARTMENT OF LABOR & INDUSTRY PA | $442.8M | 121 |
| 21 | KAMPI COMPONENTS CO INC | $314.5M | 23K |
| 22 | SIEMENS MEDICAL SOLUTIONS USA, INC. | $299.1M | 1K |
| 23 | CITY OF PHILADELPHIA | $237.8M | 12 |
| 24 | CARNEGIE MELLON UNIVERSITY | $230.5M | 848 |
| 25 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | $219.5M | 2K |
| 26 | HOUSING AUTHORITY OF THE CITY OF PITTSBURGH | $219.1M | 166 |
| 27 | INSPIRITEC INC | $198.7M | 5 |
| 28 | LAUREL TECHNOLOGIES PARTNERSHIP | $181.1M | 342 |
| 29 | THE CHILDREN'S HOSPITAL OF PHILADELPHIA | $172.8M | 632 |
| 30 | PENNSYLVANIA DEPARTMENT OF HEALTH | $171.5M | 144 |
| 31 | CITY OF PHILADELPHIA P | $163.3M | 19 |
| 32 | WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | $162.5M | 361 |
| 33 | ENERGY DEVELOPMENT AUTHORITY | $156.1M | 1 |
| 34 | GENERAL DYNAMICS OTS (WILKES BARRE), LLC | $150.1M | 60 |
| 35 | PHILADELPHIA REGIONAL PORT AUTHORITY | $148.6M | 8 |
| 36 | COMCAST BUSINESS COMMUNICATIONS, LLC | $146.1M | 7K |
| 37 | ALLEGHENY COUNTY HOUSING | $141.8M | 450 |
| 38 | PENNSYLVANIA EMERGENCY MANAGEMENT AGENCY | $141.1M | 63 |
| 39 | KVG LLC | $139.8M | 336 |
| 40 | GENTEX CORPORATION | $138.1M | 544 |
| 41 | PENNSYLVANIA DEPARTMENT OF DRUG AND ALCOHOL PROGRAMS | $129.2M | 11 |
| 42 | FEDEX SUPPLY CHAIN DISTRIBUTION SYSTEM, INC. | $128.0M | 32 |
| 43 | SCHOOL DISTRICT OF PHILADELPHIA | $126.5M | 21 |
| 44 | CITY OF PHILADELPHIA | $126.2M | 28 |
| 45 | CRIME & DELINQUENCY PA COMMISSION ON | $124.9M | 61 |
| 46 | PENNSYLVANIA DEPARTMENT OF INSURANCE | $121.7M | 3 |
| 47 | MACK DEFENSE LLC | $119.4M | 207 |
| 48 | OLYMPUS AMERICA INC | $119.2M | 869 |
| 49 | TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION | $113.8M | 601 |
| 50 | ACTION MANUFACTURING CO | $113.7M | 10 |
| 51 | RBVETCO, LLC | $111.3M | 43 |
| 52 | FISHER SCIENTIFIC COMPANY L.L.C. | $103.7M | 63K |
| 53 | MONTGOMERY COUNTY HOUSING AUTHORITY | $103.0M | 161 |
| 54 | PECO ENERGY COMPANY | $101.7M | 24 |
| 55 | COUNTY OF ALLEGHENY | $101.3M | 72 |
| 56 | DREXEL UNIVERSITY | $100.0M | 507 |
| 57 | DELPHINUS ENGINEERING, INC. | $90.0M | 223 |
| 58 | ALLEGHENY COUNTY AIRPORT AUTHORITY | $88.1M | 32 |
| 59 | PHILADELPHIA INDEMNITY INSURANCE CO. | $86.3M | 1K |
| 60 | HOTWIRE COMMUNICATIONS LTD | $84.9M | 45 |
| 61 | EASTERN AIRLINES LLC | $82.1M | 364 |
| 62 | BUCKS COUNTY HOUSING AUTHORITY | $81.5M | 158 |
| 63 | ANSIBLE GOVERNMENT SOLUTIONS LLC | $80.1M | 203 |
| 64 | SERVIAM CONSTRUCTION LLC | $77.9M | 61 |
| 65 | THOMAS JEFFERSON UNIVERSITY | $76.9M | 413 |
| 66 | SENATE BUILDERS & CONSTRUCTION MANAGERS, INC. | $76.7M | 36 |
| 67 | TEVA PHARMACEUTICALS USA, INC. | $76.6M | 156 |
| 68 | DE COUNTY HOUSING AUTHORITY SECTION | $71.9M | 200 |
| 69 | GENERAL DYNAMICS ORDNANCE AND TACTICAL SYSTEMS INC | $71.1M | 8 |
| 70 | JA MOODY LLC | $70.8M | 3K |
| 71 | I-SOLUTIONS DIRECT, INC | $68.2M | 1K |
| 72 | PORT AUTHORITY OF ALLEGHENY COUNTY INC | $67.0M | 13 |
| 73 | HOUSING AUTHORITY OF THE COUNTY OF CHESTER | $66.3M | 181 |
| 74 | OMNICELL, INC. | $64.5M | 539 |
| 75 | KEYSTONE SHIPPING SERVICES, INC. | $64.0M | 450 |
| 76 | PENNSYLVANIA STATE UNIVERSITY | $62.6M | 349 |
| 77 | NOBLIS MSD LLC | $59.8M | 325 |
| 78 | CONSOLIDATED RAIL CORPORATION | $59.1M | 1 |
| 79 | LARKOS PACKING AND DISTRIBUTION INC. | $55.0M | 12K |
| 80 | GE ENERGY POWER CONVERSION USA INC. | $54.3M | 170 |
| 81 | ALLENTOWN HOUSING AUTHORITY | $52.7M | 162 |
| 82 | CHESTER HOUSING AUTHORITY | $51.9M | 151 |
| 83 | FDCD II JOINT VENTURE, LLC | $51.8M | 6 |
| 84 | TITAN-AUXO, LLC | $50.0M | 65 |
| 85 | SAP NATIONAL SECURITY SERVICES INC | $49.8M | 12 |
| 86 | PPL ELECTRIC UTILITIES CORPORATION | $49.6M | 51 |
| 87 | LEHIGH UNIVERSITY | $48.6M | 248 |
| 88 | CURTISS-WRIGHT DS, INC. | $48.2M | 112 |
| 89 | FIBER BUSINESS SOLUTIONS GROUP INC | $47.3M | 107 |
| 90 | DEPARTMENT OF CONSERVATION & NATURAL RESOURCES PENNSYLVANIA | $46.8M | 162 |
| 91 | MICHAEL BAKER INTERNATIONAL, INC. | $45.7M | 64 |
| 92 | CAES SYSTEMS LLC | $45.0M | 125 |
| 93 | HARRISBURG HOUSING AUTHORITY | $44.6M | 122 |
| 94 | MSA SAFETY SALES, LLC | $43.4M | 162 |
| 95 | ERIE FORGE & STEEL INC | $43.2M | 16 |
| 96 | WESTMORELAND COUNTY HOUSING AUTHORITY | $42.7M | 172 |
| 97 | GROVE U.S. LLC | $42.5M | 212 |
| 98 | SEQIRUS USA INC | $41.1M | 181 |
| 99 | PENNSYLVANIA DEPARTMENT OF MILITARY & VETERANS AFFAIRS | $41.0M | 103 |
| 100 | ANSYS GOVERNMENT INITIATIVES, LLC | $40.4M | 128 |