Usalco, LLC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersCurtis Bay, MD
US patents10
SAM.gov UEIE7JJQESMEJY1
CAGE code6PX26
Incorporated inMD
LEI5493006WBYB0CYPCSG20
- aluminum chloride
- aluminum sulfate
- ferric sulfate
- ferrous sulfate
- sodium aluminate
- drinking water treatment
- municipal wastewater
- chemical
- refining
- food
- beverage
- automotive
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
10 US patents granted 2017–2023, 5 of them in the five years to SEP 2025.
Chemical engineering 6Materials, metallurgy 3Environmental technology 1
- System and method for production of aluminum chloride derivativesUS 11,840,457 · granted DEC 12, 2023
- Process for producing aluminum chlorohydrate particlesUS 11,634,338 · granted APR 25, 2023
- Stable concentrated polyaluminum chlorosilicate solutionsUS 11,053,143 · granted JUL 6, 2021
- Concentrated aqueous solutions of aluminum chlorohydrate monohydrateUS 10,947,124 · granted MAR 16, 2021
- Sodium aluminum sulfate for use in animal littersUS 10,869,459 · granted DEC 22, 2020
Newest 5 shown · Granted to Usalco, LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Usalco, LLC | Curtis Bay | MD | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.