| SRSmyrna Ready Mix - Summit View Ready Mix | Fort Collins | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SPSnappy Print | Colorado Springs | CO | Printing and Related Support Activities323114 | — | ◇ UNVERIFIED |
| SPSolid Power I (sp1) | Louisville | CO | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| SCSolvay Chemicals, INC. Parachute Plant | Parachute | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
 Sonoco Products Company | Loveland | CO | Paper Manufacturing322214 | — | ◇ UNVERIFIED |
| SFSouthern Foods Group LLC D/b/a Meadow Gold Dairies | Greeley | CO | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| SMSpanish Mill Granite CO. INC. | Buena Vista | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SPSpecial Products Company - Golden Plant | Golden | CO | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| SCSpectranetics CORP | Colorado Springs | CO | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| SISpectrographics INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SSSpectrum Screen Print & Design INC | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| SGSpeedy Grow | Grand Junction | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SWSpn Well Services - Fort Lupton Facility | Fort Lupton Area | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SPSpradlin Printing_inc | Parker | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SDSprint Denver INC. | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SES&s Enterprises, INC. | Steamboat Springs | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SCStadia Corporation | Golden | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SMStarbuds Mips LLC | Commerce City | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SLStark Lumber CO | Denver | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| SFSteel Fabricators, INC. | Fort Collins | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SCSteelstar Corporation | Dacono | CO | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| SPSteritec Products Mfg CO INC | Englewood | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| SMStg/industrialex Manufacturing | Colorado Springs | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SBStock Building Supply INC - Franklin | Denver | CO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SSStonehouse Signs INC | Arvada | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SWStone Wholesale - Brownstone Quarry | Laporte | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SWStone Works Marble and Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SGStop & Go Printing #6 Dba Signal Graphic | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SRSuburban Reddi Mix CO | Adams Cnty | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SASummit Audio Visual, LLC | Frisco | CO | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| SCSummit Crest Homes | Berthoud | CO | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| SPSummit Printing INC | Breckenridge | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SMSun Microsystems INC | Louisville | CO | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| SMSun Microsystems INC | Louisville | CO | Computer and Electronic Product Manufacturing334119 | — | ◇ UNVERIFIED |
| SMSunrise Medical Hhg INC Mobil Prod Div | Boulder | CO | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| SCSunward CORP | Louviers | CO | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| SMSuperior Mfg. CORP. Dba A-j Sales | Commerce City | CO | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| SVSuper Vacuum Mfg CO INC | Loveland | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SSutrak | Lamar | CO | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| SCSymbiotic Cycling, LLC | Monument | CO | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| TPTaint Paint Powder Coatings of Colo Spgs | Colorado Springs | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TITea-lar INC Dba Best Tops - 250 N 3rd St | Grand Junction | CO | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| TMTeledyne Monitor Labs | Englewood, CO | CO | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| TITenere Incorporated | Lakewood | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TBTerumo Blood and Cell Tech - Mfg Cleanro | Highlands Ranch | CO | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| TWTewell Warren Printing - 4710 Lipan St | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| TFTexas Farm Products CO - Tfp Nutrition | Platteville | CO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| TGThe Gates Rubber Company | Denver | CO | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| TIThe Iron Factory, INC. | Grand Junction | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | Denver | CO | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
