| BHBaxter Healthcare -solvent Usage | Parker Area, CO | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| BBB&b Blending INC | Denver, CO | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| BBB&b Blending LLC | Denver, CO | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| BCB-d Chemical | Denver, CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BMBenjamin Moore & CO | Denver, CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BIBestop INC | Broomfield, CO | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| BWBest Way Printing | Denver, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| BRBg Retail - Redfield Rifle Scopes Bldg | Denver, CO | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| BOBioenergy of Colorado | Denver, CO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BOBioenergy of Colorado Ii, LLC | Denver, CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BABip a Subsidiary of Industrialex Mfg | Westminster, CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| BFBlue Flame Services, LLC | Denver, CO | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| BCBoeing Company-3800 Lewiston Generator | Aurora, CO | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BTBolder Technologies Corporation | Golden, CO | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| BSBoulder Steel, INC | Broomfield, CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BCBoyer Coffee CO | Denver, CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BLBpi-westminster, Llc(owner)/arcadis (op) | Denver, CO | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BRBrannan Ready Mix Company | Denver, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel | Denver, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel - I-76 Apm | Commerce City Area, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BSBrannan Sand & Grvael - South Asphalt Pl | Louviers, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BLBrite-line LLC - Brite-line LLC | Denver, CO | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| BRB & R Screen Graphics | Denver, CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| BBurnco | Kiowa, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBurnco Colorado - Portable Screen/engine | Henderson, CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CPC2imaging - Printing Facility | Englewood, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CTCain T Square | Greenwood Village, CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CGCanopy Growth Corporation USA LLC | Evergreen, CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CICaraustar Industries INC. | Denver, CO | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| CCCarder Concrete Products Company | Brighton, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICardinal Indl Finishes INC | Denver, CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CICargill, INC. | Denver, CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CCCbd Clinilabs | Denver, CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CFCcod; Fleet Maintenance Facility | Denver, CO | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CPCcw Products INC | Arvada, CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CDC & D Printing INC | Englewood, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCCedar Creek, LLC - 2000 W Oxford Ave | Englewood, CO | Wood Product Manufacturing321213 | — | ◇ UNVERIFIED |
| CGCentennial Graphics | Lakewood, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CDCentral Denver Iron Works, INC | Denver, CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CRCentral Ready Mix, LLC | Denver Area, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CGCentury Graphics LTD | Denver, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCCeramed CORP | Lakewood, CO | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| CCerapedics | Westminster, CO | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| CMCf Maier Composites INC | Golden, CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CMC.f. Maier Composites INC - See 059/1318 | Golden, CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CBChampion Boxed Beef CO | Denver, CO | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| CIChart INC Denver | Denver, CO | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver, CO | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver, CO | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| CSChateau Shutter | Englewood, CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
