# 1101 Thorndale Corporation

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: 1101 Thorndale Corporation
- Alternative and DBA names: Environmental Technical Institute, Inc.
- Entity type: C corporation
- Original incorporation date: April 25, 1985
- Time in business: 41 years and 5 months
- Jurisdiction count: 1

## Registered states

- [Illinois](https://index.baselayer.com/il/2907c6206ab45666): Domestic registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/2907c6206ab45666)