| BBBoral Best Block North Plant | Littleton | CO | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MSMaterials Systems INC | Littleton | MA | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
 Unicircuit, INC - 8192 Southpark Lane | Littleton | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ATAlliant Techsystems INC | Littleton | CO | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| ACAmazon Com Services LLC Dko1 | Littleton | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| CWCurtiss Wright Controls | Littleton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CCCurtiss-wright Controls Embedded Computing | Littleton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ECE & C Precast Concrete, INC. | Littleton | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ELElectron Littleton | Littleton | CO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| EBEnsign Bickford CO | Littleton | CO | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| GCGolden Concrete Lllp (vince Hagan Cbp) | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HMHitchiner Mfg CO INC | Littleton | NH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| IHIwg High Performance Conductors | Littleton | NH | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| KWKiewit Western | Littleton | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LDLupoli Development | Littleton | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| MMMartin Marietta Astronautics | Littleton | CO | Transportation Equipment Manufacturing336414 | — | ◇ UNVERIFIED |
| MMMartin Marietta Mtrls - Batch Plant | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MIMetrum INC | Littleton | CO | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| NINorgren INC | Littleton | CO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PCProbuild Company, LLC | Littleton | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| SDSunny Delight Beverages Plant | Littleton | MA | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| WIWestile INC | Littleton | CO | Plastics and Rubber Products Manufacturing326192 | — | ◇ UNVERIFIED |
| WTWorld Trading Company Div of Sabbow | Littleton | NH | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| SCSajawi Corporation | Littleton | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AWAcp Waterjet INC | Littleton | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AIAlewelt INC | Littleton | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AAAlp Art | Littleton | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| ALArradiance LLC | Littleton | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| ARAtlantic Rubber Co., INC. | Littleton | MA | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| BCBella Casa Construction and Stone | Littleton | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BSBlue Spruce Brewing Company | Littleton | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CLCakeheads LLC | Littleton | CO | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CCCarder Concrete Products CO | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Chandler Industries, INC. | Littleton | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CHCMBR Holdings Ltd. | Littleton | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CMCodi Manufacturing, Inc. | Littleton | CO | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| CCColorado Creative Decor | Littleton | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CGColumbine Granite, INC. | Littleton | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CLConcord Lumber Corporation | Littleton | MA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| CCCountertop Concepts CO, LLC | Littleton | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DMDiversified Millwork INC | Littleton | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| DDDr Daniel Esposito Implant and Oral Surgery Center | Littleton | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DPDuggan Petroleum | Littleton | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| EME3 Manufacturing LLC | Littleton | CO | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| EPElk Peak Corporation | Littleton | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| EIEngineering Innovations | Littleton | CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| GAGenfoot America, INC. | Littleton | NH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| GGGiraffe Graphics Inc. | Littleton | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| GBGoldberg Brothers, INC. | Littleton | CO | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| IPImpressions Print and Mail, LLC. | Littleton | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
