Registered entities
CLEAN HARBORS INC
Reg. No. 822818United States
CLEAN HARBORS ENVIRONMENTAL SERVICES INC
Reg. No. 42698999United States
CLEAN HARBORS CARIBE, INC 401K PLAN
Reg. No. 660595892United States
Clean Harbors India Llp
CIN AAK-8400India
Innovation
7 patent families (5 granted) — focus: Operations & transport, Mechanical engineering, Construction; filing pace slowing. Cited 116 times.
| Year | Filings |
|---|---|
| 2014 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2023 | 2 |
Social engagement
Social engagement: 141.2K social following, 10 posts in the last 12 months — around the industry typical range.
Investor mix
1 investor on record; 1 has since exited.
| Investor type | Count | Share |
|---|---|---|
| Private equity | 1 | 100% |
Hiring activity
Hires continuously
1105 roles tracked across 12 of the last 12 months
27 Oct 2026 · Associate BDR · All India
24 Oct 2026 · Associate Sales Manager - Environmental Services · Bangalore
23 Oct 2026 · Business Development Representative - Inside Sales · Pune
22 Oct 2026 · Agile Product Owner C .Net Agile · Hyderabad
17 Oct 2026 · DRUPAL TECH LEAD · Hyderabad
Based on job postings tracked across public sources.