 Unified Packaging, INC. | Denver | 20–99 | ● ACTIVE |
 Warneke Paper Box Company | Denver | 20–99 | ● ACTIVE |
 Terraslate INC. | Englewood | 20–99 | ● ACTIVE |
 Electro Industrial Tape and Supply LLC | Denver | — | ● ACTIVE |
 Mastermind Docs LLC | Berthoud | — | ● ACTIVE |
 Rocky Mountain Adhesives LLC | Aurora | — | ● ACTIVE |
 Roho Enterprises, LLC | Sterling | — | ● ACTIVE |
 Central Products Company | Brighton | — | ◐ LIKELY ACTIVE |
| AApplegate | Penrose | — | ◐ LIKELY ACTIVE |
| CPCorrugated Packaging Denver CT | Denver | 20–99 | ◐ LIKELY ACTIVE |
| PCPackaging CORP - Pca Denver East | Denver | — | ◐ LIKELY ACTIVE |
| VPVoidfrom Products, LLC Colorado | Englewood | 20–99 | ◐ LIKELY ACTIVE |
| APAll Packaging CO - 14806 E 33rd Pl | Aurora | — | ◐ LIKELY ACTIVE |
| GPGraphic Packaging International INC | Golden | — | ◐ LIKELY ACTIVE |
| AIArctic Insulation INC | Greeley | — | ◇ UNVERIFIED |
| BLBrite-line LLC - Brite-line LLC | Denver | — | ◇ UNVERIFIED |
| CICaraustar Industries INC. | Denver | — | ◇ UNVERIFIED |
| CCColumbine Container CORP | Aurora | — | ◇ UNVERIFIED |
| GPGraphics Packaging CORP | Boulder | — | ◇ UNVERIFIED |
| IPInternational Paper-corrugated Box Plant | Golden | — | ◇ UNVERIFIED |
| IPInternational Paper-wheat Ridge | Wheat Ridge | — | ◇ UNVERIFIED |
| LLLightninglabels.com - Lightning Labels | Denver Area | — | ◇ UNVERIFIED |
| MSMountain States Plastics INC. | Johnstown | — | ◇ UNVERIFIED |
| OBOrepac Building Products | Denver | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Denver | — | ◇ UNVERIFIED |
| RPRepublic Paperboard CO. | Commerce City | — | ◇ UNVERIFIED |
 Sonoco Products Company | Loveland | — | ◇ UNVERIFIED |
| VIVertical, Incorporated | Englewood | — | ◇ UNVERIFIED |
| BTBao Tech INC | La Salle | — | ◐ LIKELY ACTIVE |
| BTBron Tapes Holding, Inc. | Denver | 20–99 | ◐ LIKELY ACTIVE |
| DCDENVER, CO East | Denver | 100–499 | ◐ LIKELY ACTIVE |
| EEcoEnclose | Louisville | 20–99 | ◐ LIKELY ACTIVE |
| HCHigh Country Container | Denver | 100–499 | ◐ LIKELY ACTIVE |
| IPInternational Paper | Wheat Ridge | 100–499 | ◐ LIKELY ACTIVE |
| IPInternational Paper - Golden, Colorado | Golden | 100–499 | ◐ LIKELY ACTIVE |
| RSRLG - Sticker Giant | Longmont | 100–499 | ◐ LIKELY ACTIVE |
| CRCaretek Resources, Incorporated | Castle Pines | — | ◐ LIKELY ACTIVE |
| CIColorado Industrial Packaging, LLC | Colorado Springs | — | ◐ LIKELY ACTIVE |
| ACApplegate Colorado, LLC - 230 Shoop Dr | Florence 2.1 Mi. N of | — | ◇ UNVERIFIED |
| BFBloomin Flower Cards | Boulder | — | ◇ UNVERIFIED |
| CPCapitol Packaging Company | Denver | — | ◇ UNVERIFIED |
| DPDenver Post | Denver | — | ◇ UNVERIFIED |
| FFForm Fit Packaging LLC | Aurora | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Commerce City | — | ◇ UNVERIFIED |
| PIParma Industries | Longmont | — | ◇ UNVERIFIED |
| SCStadia CO CORP | Lakewood | — | ◇ UNVERIFIED |
| TMTimberline Management, INC. | Colorado Springs | — | ◇ UNVERIFIED |
