| SUSyensqo USA LLC. | Baltimore | 20–99 | ● ACTIVE |
| TCTnemec Company | Baltimore | 20–99 | ● ACTIVE |
| ASAalberts Surface Treatment CORP. | Baltimore | — | ● ACTIVE |
Chempacific CORP | Baltimore | — | ● ACTIVE |
Crusader Chemical CO INC | Baltimore | — | ● ACTIVE |
| ECEarly Charm Ventures LLC | Baltimore | — | ● ACTIVE |
Pixelligent Technologies LLC | Baltimore | — | ● ACTIVE |
Usalco, LLC | Curtis Bay | — | ● ACTIVE |
Computchem, LLC | Baltimore | — | ● ACTIVE |
Etch INC | Baltimore | — | ● ACTIVE |
Fyodor Biotechnologies, INC. | Baltimore | — | ● ACTIVE |
| GSGlobin Solutions INC | Baltimore | — | ● ACTIVE |
Materic LLC | Baltimore | — | ● ACTIVE |
Minnowtech LLC | Baltimore | — | ● ACTIVE |
Silcsbio LLC | Baltimore | — | ● ACTIVE |
| SCSherwin-williams Company | Baltimore | — | ◐ LIKELY ACTIVE |
| WRW R Grace and CO – Curtis Bay Works | Curtis Bay | — | ◐ LIKELY ACTIVE |
| BIBsc Ind | Baltimore | — | ◐ LIKELY ACTIVE |
| KWKemira Water Solutions, INC. | Baltimore | — | ◐ LIKELY ACTIVE |
| BCBaltimore City Composting/veolia Water North America-central, LLC | Curtis Bay | — | ◐ LIKELY ACTIVE |
| BPBora Pharmaceuticals Injectables INC. | Baltimore | 100–499 | ◐ LIKELY ACTIVE |
| FCFmc CORP. Organic Chemicals Division | Baltimore | — | ◐ LIKELY ACTIVE |
| HDHemagen Diagnostics, INC. | Baltimore | — | ◐ LIKELY ACTIVE |
| MIMillennium Inorganic Chemicals St Helena Plant | Baltimore | — | ◐ LIKELY ACTIVE |
| OBOrigin Baltimore Terminal LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| CMCatalent Maryland INC - Baltimore | Baltimore | — | ◐ LIKELY ACTIVE |
| ALAerosol Liquid Packaging | Baltimore | — | ◇ UNVERIFIED |
| AUAtotech USA | Baltimore | — | ◇ UNVERIFIED |
| EIEisai, INC. | Baltimore | — | ◇ UNVERIFIED |
| GSGeo Specialty Chemicals | Baltimore | — | ◇ UNVERIFIED |
| IPInsl-x Products CORP. | Baltimore | — | ◇ UNVERIFIED |
| IIIntralytix INC | Baltimore | — | ◇ UNVERIFIED |
| KWKemira Water Solutions, INC. - Baltimore Plant | Curtis Bay | — | ◇ UNVERIFIED |
| LCLebanon Chemical 50 | Baltimore | — | ◇ UNVERIFIED |
| LBLegend Brands | Baltimore | — | ◇ UNVERIFIED |
| PCPemco CORP - Yard 56 | Baltimore | — | ◇ UNVERIFIED |
| PCPq CORP. | Baltimore | — | ◇ UNVERIFIED |
| SCSasol Chemicals (usa) LLC | Baltimore | — | ◇ UNVERIFIED |
| SISyngene International LTD. | Baltimore | — | ◇ UNVERIFIED |
| TSThe Sun Products Corporation | Baltimore | — | ◇ UNVERIFIED |
| UPUpm Pharmaceuticals, INC | Baltimore | — | ◇ UNVERIFIED |
| ASAbri Science, LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| BBBaltimore Biopark | Baltimore | 100–499 | ◐ LIKELY ACTIVE |
| BBBaltimore Branch 19 | Baltimore | 20–99 | ◐ LIKELY ACTIVE |
| BPBaltimore Plant | Baltimore | 20–99 | ◐ LIKELY ACTIVE |
| BABiosynthesis Ai LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| BPBrightcharm Proving Ground LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| CCCel-Sci Corp - Seton | Baltimore | 1–19 | ◐ LIKELY ACTIVE |
| CLCeravin LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| CPCreative Print Group, INC. | Halethorpe | — | ◐ LIKELY ACTIVE |