| MCMaraji Capital Management LLC | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MBMaroon Bell Outdoor LLC. | Denver | CO | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| MOMarquardt Outdoors, Llcdba Davis Tent an D Awning | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MMMary's Medicinals | Denver | CO | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| MMastercraft | Denver | CO | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MCMaster Craft Millwork INC | Denver | CO | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| MSMasterpiece Stair INC | Denver | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| MCMAXIM Custom Food Trailers LLC | Denver | CO | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| MWMcconnells Welding INC | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MCMckesson Corporation | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| MDMeadowgold Dairy | Denver | CO | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| MCMeat Cleaver of Colorado LLC | Denver | CO | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| MCMeat Cleaver of Colorado, LLC | Denver | CO | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| MLMeier LLC | Denver | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| MDMeinerz Dehydrating | Denver | CO | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| MOMerchants Oil - Merchants Oil - | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MSMercury Signs CORP | Denver | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| MGMetro Granite & Marble INC | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MMMetro Metal Supply, INC. | Denver | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MLMhce, LLC | Denver | CO | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| MEMHM Enterprises LLC | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MRMitchler Rehab Equipment, LLC | Denver | CO | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| MIM.j. International, LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MIMNM Industries LLC | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MIModacam, Incorporated | Denver | NC | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MMMonarch Metal Manufacturing, INC. | Denver | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MCMoss Copy Center | Denver | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MSMountain States Decals INC. | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| MSMountain State Stone | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MSMountain Steel & Supply Company | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| NPNano Pharmaceutical Laboratories, LLC | Denver | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| NRNative Roots | Denver | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| NFNatural Food Works Group LLC | Denver | CO | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| NDNesl Denver Facility | Denver | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| NMNew Man Signs & Truck Lettering | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| NINotebooks INC | Denver | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NPNova Packaging, LLC | Denver | CO | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| NSNovel Strand Brewing Company LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| NMNuline Manufacturing Incorporated | Denver | CO | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| OPObenchain Printing CO | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| OPOcean Pacific Images | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| OSOld Sole Fabrication INC | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| OTOn The Cutting Edge Inc. | Denver | CO | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| OIOptikem Intl | Denver | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| OOOxy Occidental Petroleum Corporation | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| PAPacific Award Metals, INC. | Denver | CO | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| PLPactimo LLC | Denver | CO | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| PLPaletas LLC | Denver | CO | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| PCPeaberry Coffee LTD | Denver | CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| PIPease Ind INC | Denver | CO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
