 Lexmark International INC | Longmont | CO | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| MTMatheson Trigas - Longmont Branch | Longmont | CO | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| SPStar Precision | Longmont | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| WFWestern Foundries INC | Longmont | CO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| ABAgc Biologics - 4000 Nelson Rd | Longmont | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Longmont | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAggregate Industries Wcr INC Firestone Ready Mix Plant | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ARAndesite Rock CO | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Longmont | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BCBestway Concrete Co-longmont | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CMCeh Metal Technologies Longmont Division | Longmont | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CCCenterline Circuits INC | Longmont | CO | Machinery Manufacturing333313 | — | ◇ UNVERIFIED |
| CWCircuits West INC | Longmont | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CFConagra Foods | Longmont | CO | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| CPCox Petroleum | Longmont | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| CLCwka LLC - Cwka Longmont | Longmont | CO | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| DIDovatron International, INC. | Longmont | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EMEngineering Measurement CO. | Longmont | CO | Computer and Electronic Product Manufacturing334514 | — | ◇ UNVERIFIED |
| IDI D Russell Company Laboratories | Longmont | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| IAIntegrity Applied Science | Longmont | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LWLafarge West, INC. - Stromquist | Longmont | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LILund International, Autotron Accessories | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MMMartin Marietta - Del Camino Ready Mix | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MIMetaltech Industries INC | Longmont | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MLMillercoors - Longmont | Longmont | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| MDMiyota Development Center of America | Longmont | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MMMountain Molding LTD | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NBNapro Biotherapeutics, INC. | Longmont | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| NCNypro Colorado INC | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| OMOne More Part Dba Omp | Longmont | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PCPcc Composites.cn | Longmont | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| RMRocky Mountain Instrument CO | Longmont | CO | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| RCRoyal Crest Dairy Longmont | Longmont | CO | Food Manufacturing311511 | — | ◇ UNVERIFIED |
 Seagate Technology LLC | Longmont | CO | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| SISheldahl INC | Longmont | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SCSiegrist Construction CO -del Camino Pit | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| STStorage Technology CORP Clover Basin Dr | Longmont | CO | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| TDTegrant Diversified Brands, INC | Longmont | CO | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| TTTrend Technologies INC Colorado Div | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| VTVapor Technologies INC | Longmont | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WIWood in 2 Wood | Longmont | CO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| WRWood Recovery Systems INC | Longmont | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| AVAzbil Vortek Instruments LLC | Longmont | CO | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| 1S1314 Sherman Dr | Longmont | CO | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| ARAdemar Ready Mix | Longmont | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AFAdvanced Forming Technology | Longmont | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
 Advanced Precision Machining LLC | Longmont | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ATAdvanced Tooling Concepts | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ATAdvance Tooling Concepts Pratt Pkwy | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
