| IPInternational Paper - Maryland Heights | Maryland Heights | MO | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| IAIonia Atlantic Imports | Maryland Heights | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LCLuLu Commercial Kitchen | Maryland Heights | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| MHMaryland H-3mus-mo | Maryland Heights | MO | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| MHMaryland Heights | Maryland Heights | MO | Wood Product Manufacturing321911 | 1-19 | ◐ LIKELY ACTIVE |
| MHMaryland Heights, MO (MO008) | Maryland Heights | MO | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| MBMcshane Bell Company, LLC | Maryland Heights | MO | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| MMedix | Maryland Heights | MO | Chemical Manufacturing325413 | 20-99 | ◐ LIKELY ACTIVE |
| MMMidwest Model Supply CO INC | Maryland Heights | MO | Miscellaneous Manufacturing339930 | — | ◐ LIKELY ACTIVE |
| SSSalt + Smoke | Maryland Heights | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SCSugar Creek Acquisition, LLC | Maryland Heights | MO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HLHueosity LLC | Maryland Heights | MO | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| WMWilco Molding | Maryland Heights | MO | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| ASAcera Surgical | Maryland Heights | MO | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| AIAllon Industries, INC. | Maryland Heights | MO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AHApertus Holdings, LLC | Maryland Heights | MO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| APAzar Printing INC. | Maryland Heights | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| BDB & D Trading Worldwide, LLC | Maryland Heights | MO | Computer and Electronic Product Manufacturing334119 | — | ◇ UNVERIFIED |
| BFBeck Flavors Inc | Maryland Heights | MO | Food Manufacturing311930 | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems | Maryland Heights | MO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| DCDigital Concepts of Missouri, INC. | Maryland Heights | MO | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| DSDNA Servers, Inc | Maryland Heights | MO | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ESEngineered Sales | Maryland Heights | MO | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| EPErgosafe Products, LLC | Maryland Heights | MO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JPJubilee Promotional Company, INC. | Maryland Heights | MO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LNLafarge North America Inc-page Plant | Maryland Heights | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLED Craft, Inc | Maryland Heights | MO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| MSM.b. Sturgis INC. | Maryland Heights | MO | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| OBOzark Building Materials-plant 6 | Maryland Heights | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| QLQuest Lithographics Ltd-northline Ind Drive | Maryland Heights | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| RRRidge Runner Outdoors llc | Maryland Heights | MO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| RCRiver City Litho INC | Maryland Heights | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
Rockwell Automation | Maryland Heights | MO | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| RPRoncept Properties, LLC | Maryland Heights | MO | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| SCStarcco Company, INC. | Maryland Heights | MO | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| SIStoneland, INC. | Maryland Heights | MO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |