| NONational Oilwell Varco (0812100350) | Springfield | OH | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| NANorth American Pipe Company | Springfield | KY | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Guidance & Electronics CO INC | Springfield | MO | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Poly Scientific | Springfield | PA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| NVNu Visions Mfg L L C | Springfield | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| OLOctave Labs LLC | Springfield | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Springfield | OH | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| OSOzark Structures | Springfield | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PSPacific States Plywood Site | Springfield | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| PVPly Veneer | Springfield | OR | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| PRPress Room Equipment CO LLC | Springfield | MO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| PFPrime Foam a Div of Prime Panels INC | Springfield | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| PUPublic Utilities Comm Springfield | Springfield | MN | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| RPRawac Plating Company | Springfield | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RCRexnord CORP | Springfield | MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| RLRosboro Lumber | Springfield | OR | Primary Metal Manufacturing331112 | — | ◇ UNVERIFIED |
| SCSams Club #8296 | Springfield | MO | Food Manufacturing311822 | — | ◇ UNVERIFIED |
| SLSara Lee Bakery Group | Springfield | MO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SCScattered Corporation | Springfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SIScharr Industries INC | Springfield | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SESchrader Electronics | Springfield | TN | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| SMShelly Materials - Plant #25 (0812760039) | Springfield | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SWSherwin Williams #703202 | Springfield | MO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SISimplex INC | Springfield | IL | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| SESnyder Equipment a Division of New York Air Brake LLC | Springfield | MO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| SGSolomon Grind-chem Service INC | Springfield | IL | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| SVSouth Valley Mfg | Springfield | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SCSpringfield Coach Builders-springfield | Springfield | MO | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| SFSpringfield Ford Inc/springfield | Springfield | PA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| SMSpringfield Metal Finishing INC | Springfield | OH | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SMSpringfield Ms4 | Springfield | MO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| SRSpringfield Ready Mix-springfield Ready Mix | Springfield | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SRSpringfield Re-manuf CORP | Springfield | MO | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| SWSpringfield Wire INC | Springfield | MA | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| SRS & R INC. | Springfield | TN | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SHState Highway Construction | Springfield | IL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| STSuperior Trim Springfield Div (0812100525) | Springfield | OH | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| SCSweetheart Cup-sweetheart Cup | Springfield | MO | Paper Manufacturing322215 | — | ◇ UNVERIFIED |
| TCTank Components Industries | Springfield | MO | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| TTek-am | Springfield | VA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TKThe Kroger CO. Dba Delight Products Company | Springfield | TN | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| TJThomas J Oconnor Animal Control & Adopti | Springfield | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TEThyssenkrupp Elevator Manufacturing, INC. | Springfield | TN | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| TCTiteflex Corporation INC | Springfield | MA | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| TSTosca - Springfield, Mo | Springfield | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TDToyotomi Die Storage | Springfield | KY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| TCTpi Composites LLC - Springfield Operations | Springfield | OH | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| TSTrew Stone, LLC (plant #4) | Springfield | MA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TITrinity Industries Inc-trinity Industries INC | Springfield | MO | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
 United Fiberglass of America INC (0812100565) | Springfield | OH | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
