Chemical manufacturers in Maryland
Maryland has 86 chemical makers in EPA records, facilities that list codes for basic, organic and specialty chemicals, resins and rubber. The most are in Baltimore, Elkton and Curtis Bay. That is under 1% of the 8,779 such facilities nationwide, and Maryland ranks #30 of 51 states.
- Product
- Chemical manufacturers
- Facilities
- 86
- State rank
- #30
- NAICS
- 325110 and 15 related codes
- Revised
- November 1, 2026
Facilities in Maryland
These are active facilities in EPA's ECHO database that list a code for basic, organic and specialty chemicals, resins and rubber. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| W R Grace and Co – Curtis Bay Works | Curtis Bay | Other Basic Inorganic Chemical Manufacturing |
| Eastman Specialties Corp | Chestertown | Petrochemical Manufacturing |
| Pemco Corp - Yard 56 | Baltimore | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Vibrantz Technologies | Curtis Bay | Other Basic Inorganic Chemical Manufacturing |
| W L Gore & Associates Incorporated Cherry Hill Site | Elkton | Plastics Material and Resin Manufacturing |
| Huber, J.m. Corporation | Havre De Grace | Other Basic Inorganic Chemical Manufacturing |
| W. R. Grace & Co. - Conn. | Curtis Bay | Synthetic Dye and Pigment Manufacturing |
| Naval Surface Warfare Center | Indian Head | Explosives Manufacturing |
| Adell Plastics | Halethorpe | Plastics Material and Resin Manufacturing |
| Sherwin-Williams Company | Baltimore | Plastics Material and Resin Manufacturing |
| Tilley Distribution | Middle River | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| FMC Corp. Organic Chemicals Division | Baltimore | Petrochemical Manufacturing |
| Usalco LLC | Curtis Bay | Petrochemical Manufacturing |
| Engineered Polymer Solutions, Inc. | Williamsport | Plastics Material and Resin Manufacturing |
| Kemira Water Solutions, Inc. | Baltimore | Other Basic Inorganic Chemical Manufacturing |
| Qiagen Sciences | Germantown | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Clariant Corp Masterb Atches Div | Millington | Custom Compounding of Purchased Resins |
| Crusader Chemical Company | Baltimore | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Linde Inc. | Baltimore | Industrial Gas Manufacturing |
| Airgas USA, LLC | Hyattsville | Industrial Gas Manufacturing |
| Colonial Metals, Inc. | Elkton | Other Basic Inorganic Chemical Manufacturing |
| Flavor And Fragrance Specialities | Essex | All Other Basic Organic Chemical Manufacturing |
| Hi-Tech Color | Odenton | Printing Ink Manufacturing |
| W R Grace & Co Conn | Columbia | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| W. L Gore & Associates, Inc. Fair Hill Facility | Elkton | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Ashland Inc | Elkton | All Other Basic Organic Chemical Manufacturing |
| Braden Sutphin Ink Co | Savage | Printing Ink Manufacturing |
| Celeste Industries Corporation | Easton | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Chempacific | Baltimore | All Other Basic Organic Chemical Manufacturing |
| Citrus & Allied Essences Ltd | Belcamp | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Gallant Technologies, Inc | Fulton | Explosives Manufacturing |
| Greenlight Biofuels Princess Anne, LLC | Princess Anne | Ethyl Alcohol Manufacturing |
| Kemira Water Solutions, Inc. - Baltimore Plant | Curtis Bay | Other Basic Inorganic Chemical Manufacturing |
| Lamotte Company | Chestertown | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Life Technologies | Frederick | All Other Basic Organic Chemical Manufacturing |
| Pixelligent Corp | Baltimore | Other Basic Inorganic Chemical Manufacturing |
| Pq Corp. | Baltimore | Other Basic Inorganic Chemical Manufacturing |
| Syensqo USA LLC. | Baltimore | All Other Basic Organic Chemical Manufacturing |
| Thermo Trilogy Corp | Columbia | Pesticide and Other Agricultural Chemical Manufacturing |
| Tobacco Technology, Inc | Sykesville | All Other Basic Organic Chemical Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Baltimore: 24
- Elkton: 11
- Curtis Bay: 5
- Havre De Grace: 3
- Williamsport: 3
- Hyattsville: 3
By product code
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998): 9 of those shown
- Other Basic Inorganic Chemical Manufacturing (NAICS 325180): 8 of those shown
- All Other Basic Organic Chemical Manufacturing (NAICS 325199): 6 of those shown
- Plastics Material and Resin Manufacturing (NAICS 325211): 4 of those shown
- Petrochemical Manufacturing (NAICS 325110): 3 of those shown
- Industrial Gas Manufacturing (NAICS 325120): 2 of those shown
- Printing Ink Manufacturing (NAICS 325910): 2 of those shown
- Explosives Manufacturing (NAICS 325920): 2 of those shown
- Synthetic Dye and Pigment Manufacturing (NAICS 325130): 1 of those shown
- Ethyl Alcohol Manufacturing (NAICS 325193): 1 of those shown
- Pesticide and Other Agricultural Chemical Manufacturing (NAICS 325320): 1 of those shown
- Custom Compounding of Purchased Resins (NAICS 325991): 1 of those shown
All chemicals manufacturing in Maryland: 291 facilities and Census job counts.