ECOL US Ecology Inc
NASDAQNo longer listedCommon stock
ECOL was the NASDAQ ticker symbol of US Ecology Inc. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
ECOL at a glance
- Symbol
- ECOL
- Company / issuer
- US Ecology Inc
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Apr 2022
- Sector
- Public Utilities
- Industry
- Environmental Services
- Country
- United States
- Last reported market cap
- $1.5 billion (Apr 2022)
ECOL ticker history
All listing names we have recorded under the symbol ECOL, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| US Ecology Inc | Common Stock | Jan 2015 | Apr 2022 |
Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.
Frequently asked questions
What company has the ticker symbol ECOL?
ECOL was the ticker symbol of US Ecology Inc on NASDAQ.
Is ECOL still trading?
No. ECOL does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Apr 2022.
Which exchange was ECOL listed on?
ECOL was listed on NASDAQ.