
Atlantic Alumina Company
The only remaining alumina refinery in the United States, producing smelter-grade and chemical-grade alumina, and establishing primary gallium production.
About
Atlantic Alumina Company LLC (ATALCO) operates the last remaining alumina refinery in the United States, located in Gramercy, Louisiana. The company refines bauxite into smelter-grade alumina for aluminum production and chemical-grade alumina for various industrial applications, including catalysts, fire suppressants, and semiconductor casings. ATALCO is also developing the country's first large-scale primary gallium production circuit, a critical mineral for aerospace, defense, and advanced semiconductor technologies.
Key facts
At-a-glance profile data
- Website
- atalco.com
- Headquarters
- Gramercy, United States
- Founded
- 1959
- Employees
- 124
- Total funding
- $450M (Preferred Equity)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 12 Jan 2026 | Preferred Equity | $450M | Pinnacle Asset Management, L.P., United States Department of War |
Tech stack
Detected on atalco.com, last scanned 13 Sept 2026. Run your own scan
- Analytics
- Google Analytics 4
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Email provider
- Microsoft 365
Frequently asked
What is Atlantic Alumina Company's Effective Domain Rating?
StartupHub's Effective Domain Rating for Atlantic Alumina Company is 54 out of 100, measuring real cross-surface visibility in search engines and AI answers rather than claimed link authority. That is underrated against its Ahrefs Domain Rating of 26, meaning it surfaces in search and AI results more than its claimed authority alone would suggest.
Is Atlantic Alumina Company trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Atlantic Alumina Company is 34 out of 100, based on site security posture and privacy practices.
How much funding has Atlantic Alumina Company raised?
Atlantic Alumina Company has raised a total of $450M in funding. The most recent round on record is Preferred Equity.
How many employees does Atlantic Alumina Company have?
Atlantic Alumina Company has approximately 124 people on record.