| CCCustom Container Valley Can LLC | Hadley | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CSCycling Sports Group Inc/bedford | Bedford | PA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| DFDairy Farmers of Amer/savoldi Cheese | West Middlesex | PA | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| DCDal-tile CORP Bendersville Plant | Bendersville | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| DBDamascus Bishop Tube/greenville | Greenville | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DSDamascus Steel Casting/new Brighton | New Brighton | PA | Printing and Related Support Activities323000 | — | ◇ UNVERIFIED |
| DAD a Stuart CO | Philadelphia | PA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| DEDavid Edward Furniture INC | Red Lion | PA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| DPDee Paper Mfg | Chester | PA | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| DLDelavau LLC | Philadelphia | PA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DVDelaware Valley Wool Scouring CO | Philadelphia | PA | Textile Mills313230 | — | ◇ UNVERIFIED |
| DPDelbar Prod Inc/perkasie | Perkasie | PA | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| DSDeluxe Storage Systems INC | Warren | PA | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| DDDemorah Drive Associates | Montgomeryville | PA | Primary Metal Manufacturing331423 | — | ◇ UNVERIFIED |
| DMDent Mfg CO Inc/northampton | Northampton | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| DDDepuysynthes Development Center | West Chester | PA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| DSDerby Supply Chain Solutions | Allentown | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| DCDerry Const CO Inc/delmont Plt | Delmont | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DFDevault Foods | Devault | PA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| DODev of Sharpsville Furnace/quarry Development | Sharpsville | PA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| DCDgm Custom Polishing and Finishing, INC | Philadelphia | PA | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| DDDiamond Dye and Finishing Inc/allentown Plt | Allentown | PA | Textile Mills313310 | — | ◇ UNVERIFIED |
| DTDic Tool Co/meadville | Meadville | PA | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◇ UNVERIFIED |
| DPDieffenbachs Potato Chips Inc/rte 11 Snack Plt | Chambersburg | PA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| DPDirect Paint & Collision Inc/havertown | Havertown | PA | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| DCDixie Consumer Products LLC | Easton | PA | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| DCDlubak CORP | Freeport | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| DCDomestic Casting CO LLC | Shippensburg | PA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| DNDomtar North Chip Plt | Kane | PA | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| DSDonaldson Supply CO | Canonsburg | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DPDoodad Printing Llc/leola | Lancaster | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| DADoratt's Automotive Enterprises | Pomeroy | PA | Food Manufacturing311600 | — | ◇ UNVERIFIED |
 Dormakaba USA INC | Reamstown | PA | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| Dormakaba USA Inc/east Cocalico | Reamstown | PA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| DHDouble H Boot Mfg | Womelsdorf | PA | Leather and Allied Product Manufacturing316210 | — | ◇ UNVERIFIED |
| DHDouble H Plastics Mfg | Warminster | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DCDow Chem Plp | Royersford | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| DRDoyle & Roth | Simpson | PA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DRDoylestown Rivet & Machine CO INC | Doylestown | PA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| DIDre Iii Lp/jeannette | Jeannette | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| DUDreumex USA | York | PA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| DUDreumex USA INC | York | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| DTDrilling Tools Charleroi | Charleroi | PA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DLDrop Lot Expansion and Connection Driveway | Mechanicsburg | PA | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| DLDrs Laboratories, INC | Allentown | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DRD & R Steel Construction, INC. | Towanda | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| DSD&s Shavings Llc/mifflintown | Mifflintown | PA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| DSDs Smith Reading Mill | Reading | PA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| DRDuncannon Rmc Plt | Duncannon | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DCDunmore CORP | Newtown | PA | Textile Mills313320 | — | ◇ UNVERIFIED |
