| IIInx International Ink CO | Denver | CO | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| IMIron & Metals INC | Denver | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| JCJemm CO | Denver | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| JBJohn Balistreri | Denver | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| JPJohn-phillip's Printing INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| KMKayline Mfg | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| KCKeebler CO | Denver | CO | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| KRKens Reproductions INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| KGKeyline Graphics INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| KFKimco Facilities Mgmt CORP | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| KSKing Soopers Print Shop | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| KPKomac Paint INC | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| KJKs Jv LLC | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| KIKwal-howells INC ( Dba Kwal Paint Inc) | Denver | CO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| LGLafarge Gordon Asphalt | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LGLange Graphics INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| LPLincoln Plating CO | Denver | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| LALiquid Air INC Ind Gases Div | Denver | CO | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MEMail-well Envelope (was American M-w) | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| MMMajestic Metals Incorporated | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| MPManna Pro Products LLC | Denver | CO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| MBMaverick Biofuels, INC. - M2 Facility | Denver | CO | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| MFMcdonald Farms Enterprizes INC | Denver | CO | Food Manufacturing311000 | — | ◇ UNVERIFIED |
| MCMentor Corp_(was Gardener-denver Co) | Denver | CO | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| MMMetro Mix LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MAMid America Plating | Denver | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MPMido Printing | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
 Midwest Rubber & Supply CO | Denver | CO | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| MHMile High Equipment CO | Denver | CO | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| MHMile Hi Metal Foundry | Denver | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| MPMiller Press INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| MWMillstone Weber - Concrete Plant #7001 | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MFModern Fixture CO | Denver | CO | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| MMMonarch Marble INC | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MCMorgan Corporation | Denver | CO | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| MMMorrison Metal Finishing CORP (mact Only | Denver | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MMMorrison Metal Finishing Corporation | Denver | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MBMyku Biosciences LLC | Denver | CO | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| NPNational Printing & Packaging CORP | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| NDNer Data Products INC | Denver | CO | Miscellaneous Manufacturing339940 | — | ◇ UNVERIFIED |
| NCNesl CO INC Dba Martin Limestone Inc/denver & Kurtz Plt | Denver | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| NDNew Deal Deicing - Denver Plant | Denver | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| NRNrg Reliabilty - Ziegenfelder | Denver | CO | Food Manufacturing311311 | — | ◇ UNVERIFIED |
| NPNso Press, LLC | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| OWOld Western Paint CO INC | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| OBOptima Batteries Incorporated | Denver | CO | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| OBOrepac Building Products | Denver | CO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Denver | CO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PSPackaging Systems International | Denver | CO | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| PPParade Packaging Materials CO | Denver | CO | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
