CLEAN HARBORS: public contracts won without a rival in Canada: 9 uncontested awards; 41% of its awards; 8 without a competition; 1 single bid.
Assay record ASY-CA-0Z9I3S80XK · Cite as: Assay Systems, “CLEAN HARBORS: public contracts won without a rival in Canada”, https://assay-systems.com/register/ca/uncontested/s/clean-harbors/
CLEAN HARBORS won 9 of its 22 public contract awards in Canada without a rival from 2022-09-23 to 2026-01-12, worth $168K: 8 without a competition and 1 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest National Research Council Canada with 7.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
National Research Council Canada gave CLEAN HARBORS 8 awards: 6 without a competition, 1 after a competition with a single bid. First 2022-11-16, latest 2026-01-12.
National Defence gave CLEAN HARBORS 13 awards: 2 without a competition, 0 after a competition with a single bid. First 2022-09-23, latest 2025-12-15.
| Date | Buyer | How | Value | Stated reason |
|---|---|---|---|---|
| 2026-01-12 | National Research Council Canada C-2025-2026-Q4-00274 | No competition TN | $24.8K | 00 |
| 2025-10-21 | National Defence C-2025-2026-Q3-02744 | No competition TN | $16.0K | 00 |
| 2025-07-17 | National Research Council Canada C-2025-2026-Q2-00227 | No competition TN | $25.5K | 00 |
| 2025-03-19 | National Defence C-2024-2025-Q4-04170 | No competition TN | $18.9K | 71 |
| 2025-02-26 | National Research Council Canada C-2024-2025-Q4-00644 | Single bid OB | $20.5K | 00 |
| 2025-02-24 | National Research Council Canada C-2024-2025-Q4-00627 | No competition TN | $32.7K | 00 |
Every uncontested award in Canada · All countries
Source: Government of Canada proactive disclosure of contracts over $10,000 (open.canada.ca), Open Government Licence – Canada. Awards are matched to their buyer and supplier as published. Updated 17 October 2026.