Environmental Services: standing offers & supply arrangements
Full award history for this category → · Expiring contracts → · ⬇ Export CSV
Active agreements (per holder)
35
Distinct holders
24
Agreement numbers
35
Expiring in 12 months
21
What the numbers say
- DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE holds the most active agreements here (4).
- 21 agreements expire in the next 12 months; replacement solicitations are often posted on CanadaBuys before an agreement lapses, but that is not guaranteed.
Holders with the most active agreements
| Holder | Agreements | Types | Latest expiry |
|---|---|---|---|
| DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | 4 | DISO,RISO | 2029-03-31 |
| SLR Consulting (Canada) Ltd. | 3 | DISO | 2028-03-31 |
| WSP Canada Inc. | 3 | DISO,RISO | 2029-03-31 |
| AECOM Canada ULC | 2 | DISO | 2027-03-31 |
| Arcadis Canada Inc. | 2 | DISO | 2028-03-31 |
| AtkinsRéalis Canada Inc. | 2 | DISO,RISO | 2029-03-31 |
| Stantec Consulting Ltd. | 2 | DISO | 2028-03-31 |
| 9416-9265 QUEBEC INC. | 1 | RISO | 2028-06-17 |
| BLM-KEL-60 CORP. | 1 | DISO | 2027-03-31 |
| CIMA + SENC | 1 | RISO | 2028-06-17 |
| DEL DEGAN, MASSÉ ET ASSOCIÉS INC | 1 | RISO | 2028-06-17 |
| Englobe Corp. | 1 | RISO | 2028-06-17 |
| GHD Consultants Ltd. GHD Consultants Ltée | 1 | RISO | 2028-06-17 |
| GHD Limited | 1 | DISO | 2027-05-23 |
| Groupement Kaweshekami Environnement inc. / AECOM Consultants Inc. | 1 | RISO | 2028-06-17 |
| Kalo Stantec Limited | 1 | DISO | 2027-03-31 |
| MINODAHMUN DEVELOPMENT LIMITED PARTNERSHIP, EnGlobe Corp., NOVATOX INC., in Joint Venture | 1 | DISO | 2027-05-23 |
| NORDA STELO INC. | 1 | RISO | 2028-06-17 |
| Nunami Stantec Limited | 1 | DISO | 2027-03-31 |
| OUTCOME CONSULTANTS INC. | 1 | DISO | 2027-03-31 |
By department (end user)
| Department | Agreements |
|---|---|
| Public Services and Procurement Canada | 31 |
| Transport Canada | 3 |
| Fisheries and Oceans Canada | 1 |
Expiring in the next 12 months
| Agreement | Type | Holder | Awarded | Expires |
|---|---|---|---|---|
| RISO - EP897-241839_001 - Environmental Services (Indigenous Set-Aside) - Atlantic Region, Various Locations CW2380304 · 77000000 - Environmental Services | RISO | Sikumiut Environmental Management Ltd. | 2024-10-25 | 2026-10-24 |
| RISO - EP897-241839_002 - Environmental Services (Indigenous Set-Aside) - Atlantic Region, Various Locations CW2380327 · 77000000 - Environmental Services | RISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | 2024-10-25 | 2026-10-24 |
| Multidisciplinary Environmental Ser CW2246300 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | SLR Consulting (Canada) Ltd. | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246303 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | AECOM Canada ULC | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246306 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Kalo Stantec Limited | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246309 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Tetra Tech Canada Inc. | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246312 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246315 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | AtkinsRéalis Canada Inc. | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246318 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246322 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | SLR Consulting (Canada) Ltd. | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246325 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | TREK ENGINEERING INC. | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246331 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | OUTCOME CONSULTANTS INC. | 2022-09-06 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246334 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Nunami Stantec Limited | 2022-09-06 | 2027-03-31 |
| Amend 004 - Multidisciplinary Environmental Ser BLM-KEL-60 CW2266684 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | BLM-KEL-60 CORP. | 2022-12-22 | 2027-03-31 |
| Amend 001 EW699-220414-014-NCS Arcadis Canada Inc. CW2320844 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Arcadis Canada Inc. | 2023-04-01 | 2027-03-31 |
| Amend 002 EW699-220414-015-NCS AECOM Canada Ltd. CW2320940 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | AECOM Canada ULC | 2023-04-01 | 2027-03-31 |
| F6088-230865 - NISO - Environmental DNA Analysis CW2405190 · 77000000 - Environmental Services | NISO | UNIVERSITY OF GUELPH (LAB SERVICES) | 2025-06-02 | 2027-03-31 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357018 · 77000000 - Environmental Services; 81101514 - Geotechnical or geoseismic engineering | DISO | Stantec Consulting Ltd. | 2024-05-23 | 2027-05-23 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357022 · 81101514 - Geotechnical or geoseismic engineering; 77000000 - Environmental Services | DISO | WSP Canada Inc. | 2024-05-24 | 2027-05-23 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357025 · 77000000 - Environmental Services; 81101514 - Geotechnical or geoseismic engineering | DISO | GHD Limited | 2024-05-24 | 2027-05-23 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357028 · 77000000 - Environmental Services; 81101514 - Geotechnical or geoseismic engineering | DISO | MINODAHMUN DEVELOPMENT LIMITED PARTNERSHIP, EnGlobe Corp., NOVATOX INC., in Joint Venture | 2024-09-09 | 2027-05-23 |
Most recently awarded active agreements
| Agreement | Type | Holder | For | Awarded | Expires |
|---|---|---|---|---|---|
| EE010-260270 Standing Offer Stream 1 and 2 - Environmental assessment and receiving environment WSP CANADA INC. CW2456561 · 77000000 - Environmental Services | RISO | WSP Canada Inc. | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 1 and 2 - Environmental assessment and receiving environment KAWESHEKAMI ET AECOM CW2456596 · 77000000 - Environmental Services | RISO | Groupement Kaweshekami Environnement inc. / AECOM Consultants Inc. | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 1 and 2 - Environmental assessment and receiving environment GHD CONSULTANTS LTÉE CW2456616 · 77000000 - Environmental Services | RISO | GHD Consultants Ltd. GHD Consultants Ltée | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 1 and 2 - Environmental assessment and receiving environment DEL DEGAN, MASSÉ ET ASSOC. CW2456630 · 77000000 - Environmental Services | RISO | DEL DEGAN, MASSÉ ET ASSOCIÉS INC | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 1 - Environmental assessment and receiving environment NORDA STELO INC. CW2456639 · 77000000 - Environmental Services | RISO | NORDA STELO INC. | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 2 - Environmental assessment and receiving environment CIMA S.E.N.C. CW2456647 · 77000000 - Environmental Services | RISO | CIMA + SENC | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 2 - Environmental assessment and receiving environment DBA GROUPE SYNERGIS CW2456654 · 77000000 - Environmental Services | RISO | 9416-9265 QUEBEC INC. | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| EE010-260270 Standing Offer Stream 1 - Environmental assessment and receiving environment ENGLOBE CORP. CW2456641 · 77000000 - Environmental Services | RISO | Englobe Corp. | Public Works and Government Services Canada | 2026-06-17 | 2028-06-17 |
| RISO WSP Canada Inc. - Environmental Services for Contaminated Sites CW2447725 · 77000000 - Environmental Services | RISO | WSP Canada Inc. | Transport Canada | 2026-04-07 | 2029-03-31 |
| RISO Dillon Consulting Ltd. - Environmental Services for Contaminated Sites CW2447731 · 77000000 - Environmental Services | RISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | Transport Canada | 2026-04-07 | 2029-03-31 |
| RISO AtkinsRéalis Canada Inc. - Environmental Services for Contaminated Sites CW2447741 · 77000000 - Environmental Services | RISO | AtkinsRéalis Canada Inc. | Transport Canada | 2026-04-07 | 2029-03-31 |
| EW699-251021-001 Enviro consulting services for the assessment and Management of PFAS SLR CW2406564 · 77000000 - Environmental Services | DISO | SLR Consulting (Canada) Ltd. | Public Works and Government Services Canada | 2025-07-01 | 2028-03-31 |
| EW699-251021-002 Environmental consulting services for the assessment and mgt of PFAS Arcadis CW2406795 · 77000000 - Environmental Services | DISO | Arcadis Canada Inc. | Public Works and Government Services Canada | 2025-07-01 | 2028-03-31 |
| EW699-251021-003 Environmental consulting services for the assessment and mgt of PFAS Stantec CW2406802 · 77000000 - Environmental Services | DISO | Stantec Consulting Ltd. | Public Works and Government Services Canada | 2025-07-01 | 2028-03-31 |
| F6088-230865 - NISO - Environmental DNA Analysis CW2405190 · 77000000 - Environmental Services | NISO | UNIVERSITY OF GUELPH (LAB SERVICES) | Fisheries and Oceans Canada | 2025-06-02 | 2027-03-31 |
| RISO - EP897-241839_001 - Environmental Services (Indigenous Set-Aside) - Atlantic Region, Various Locations CW2380304 · 77000000 - Environmental Services | RISO | Sikumiut Environmental Management Ltd. | Public Works and Government Services Canada | 2024-10-25 | 2026-10-24 |
| RISO - EP897-241839_002 - Environmental Services (Indigenous Set-Aside) - Atlantic Region, Various Locations CW2380327 · 77000000 - Environmental Services | RISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | Public Works and Government Services Canada | 2024-10-25 | 2026-10-24 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357028 · 77000000 - Environmental Services; 81101514 - Geotechnical or geoseismic engineering | DISO | MINODAHMUN DEVELOPMENT LIMITED PARTNERSHIP, EnGlobe Corp., NOVATOX INC., in Joint Venture | Public Works and Government Services Canada | 2024-09-09 | 2027-05-23 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357022 · 81101514 - Geotechnical or geoseismic engineering; 77000000 - Environmental Services | DISO | WSP Canada Inc. | Public Works and Government Services Canada | 2024-05-24 | 2027-05-23 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357025 · 77000000 - Environmental Services; 81101514 - Geotechnical or geoseismic engineering | DISO | GHD Limited | Public Works and Government Services Canada | 2024-05-24 | 2027-05-23 |
| EP913-240734-Environmental & Geotechnical Standing Offer CW2357018 · 77000000 - Environmental Services; 81101514 - Geotechnical or geoseismic engineering | DISO | Stantec Consulting Ltd. | Public Works and Government Services Canada | 2024-05-23 | 2027-05-23 |
| Amend 001 EW699-220414-014-NCS Arcadis Canada Inc. CW2320844 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Arcadis Canada Inc. | Public Works and Government Services Canada | 2023-04-01 | 2027-03-31 |
| Amend 002 EW699-220414-015-NCS AECOM Canada Ltd. CW2320940 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | AECOM Canada ULC | Public Works and Government Services Canada | 2023-04-01 | 2027-03-31 |
| Amend 004 - Multidisciplinary Environmental Ser BLM-KEL-60 CW2266684 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | BLM-KEL-60 CORP. | Public Works and Government Services Canada | 2022-12-22 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246331 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | OUTCOME CONSULTANTS INC. | Public Works and Government Services Canada | 2022-09-06 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246334 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Nunami Stantec Limited | Public Works and Government Services Canada | 2022-09-06 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246315 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | AtkinsRéalis Canada Inc. | Public Works and Government Services Canada | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246318 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | Public Works and Government Services Canada | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246322 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | SLR Consulting (Canada) Ltd. | Public Works and Government Services Canada | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246325 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | TREK ENGINEERING INC. | Public Works and Government Services Canada | 2022-08-03 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246300 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | SLR Consulting (Canada) Ltd. | Public Works and Government Services Canada | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246303 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | AECOM Canada ULC | Public Works and Government Services Canada | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246306 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Kalo Stantec Limited | Public Works and Government Services Canada | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246309 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | Tetra Tech Canada Inc. | Public Works and Government Services Canada | 2022-07-28 | 2027-03-31 |
| Multidisciplinary Environmental Ser CW2246312 · 76100000 - Decontamination services; 77000000 - Environmental Services | DISO | DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE | Public Works and Government Services Canada | 2022-07-28 | 2027-03-31 |
Method & sources
Source: the Government of Canada "Standing Offers and Supply Arrangements" open dataset (Open Government Licence – Canada), file published 2026-10-15, refreshed weekly. One row per agreement number and holder; delivery regions are merged. Holders are linked to company pages by exact name match, so some links may be missing. Listing here is not an endorsement by the Government of Canada.
Dataset on open.canada.ca · Data dictionary (agreement types)
Agreement types explained
- SA — Supply arrangement
- A pre-qualified pool of suppliers. Holding one does not guarantee work: departments run a second, limited competition among qualified suppliers before awarding a contract.
- NMSO — National Master Standing Offer
- An offer to supply goods or services at set prices and terms, which any federal department across Canada can use by issuing call-ups. No contract exists until a call-up is placed.
- RMSO — Regional Master Standing Offer
- Like a national master standing offer, but limited to one region; any department in that region may issue call-ups.
- NISO — National Individual Standing Offer
- A standing offer set up for one identified department's use across Canada.
- RISO — Regional Individual Standing Offer
- A standing offer set up for one identified department's use in one region.
- DISO — Departmental Individual Standing Offer
- A standing offer a department set up under its own authority for its own needs.