| BBBoral Best Block North Plant | Littleton | CO | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
 Unicircuit, INC - 8192 Southpark Lane | Littleton | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ATAlliant Techsystems INC | Littleton | CO | Chemical Manufacturing325920 | — | ◇ 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 |
| KWKiewit Western | Littleton | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ 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 |
| WIWestile INC | Littleton | CO | Plastics and Rubber Products Manufacturing326192 | — | ◇ UNVERIFIED |
| AAAlp Art | Littleton | CO | Printing and Related Support Activities323111 | — | ◇ 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 |
| 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 |
| 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 |
| IMIntegrated Marketing Solutions, Inc. | Littleton | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| KBKaladi Brothers Coffee | Littleton | CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| KCKerrick Custom Woodcrafts | Littleton | CO | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| KWKiewet Western Company | Littleton | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KCKollmann Concepts, LLC | Littleton | CO | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| KKKwik Kopy Printing #343 | Littleton | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| LLLathyrus LLC | Littleton | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| LALeo's Automotive LLC | Littleton | CO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| LMLockheed Martin Space - Waterton Plant | Littleton | CO | Transportation Equipment Manufacturing336414 | — | ◇ UNVERIFIED |
| MKMorrison Knudsen (mk Ferguson) | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OWOldcastle Westile, INC. | Littleton | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PCPeaberry Coffee | Littleton | CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| PCPlum Creek Precast Company | Littleton | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PLPolyquad, LLC | Littleton | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| PIPredator International, INC. | Littleton | CO | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| PProformance | Littleton | CO | Printing and Related Support Activities323115 | — | ◇ UNVERIFIED |
