| ALAerosol Liquid Packaging | Baltimore | MD | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| AUAtotech USA | Baltimore | MD | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ASAuto-chlor Systems of Baltimore | Baltimore | MD | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| BIBlind Industries and Services of Md | Baltimore | MD | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| EIEisai, INC | Baltimore | MD | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EIEisai, INC. | Baltimore | MD | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| GSGeo Specialty Chemicals | Baltimore | MD | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| IPInsl-x Products CORP. | Baltimore | MD | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| IIIntralytix INC | Baltimore | MD | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| LCLebanon Chemical 50 | Baltimore | MD | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| LBLegend Brands | Baltimore | MD | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| PCPemco CORP - Yard 56 | Baltimore | MD | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PCPq CORP. | Baltimore | MD | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RCReichhold Chem INC. | Baltimore | MD | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SCSasol Chemicals (usa) LLC | Baltimore | MD | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| SISyngene International LTD. | Baltimore | MD | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| TGTexas Gulf Industries, INC. | Baltimore | MD | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| TSThe Sun Products Corporation | Baltimore | MD | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CACrave Away LLC | Baltimore | MD | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HRH R Simon Company INC | Baltimore | MD | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| LCLebanon Chemical CORP | Baltimore | MD | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| MIMillennium Inorganic Chemicals INC Hawkins Point Plant | Baltimore | MD | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| NINataur INC. | Baltimore | MD | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PCPemco Corporation | Baltimore | MD | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PLPyrodex LLC 672178 | Baltimore | MD | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SSSimpson Strong-tie Company, INC. | Baltimore | MD | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WRW. R. Grace & Co.-conn. | Baltimore | MD | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| WGW.r. Grace & CO. - Conn. | Baltimore | MD | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
