| July 1, 2012 | December 31, 2016 | SERVICE STAR BUILDING CLEANING INC. | $1,252,327 |
| September 1, 2015 | May 31, 2017 | DRAYTON DISPOSAL LTD. | $60,909 |
| June 1, 2016 | December 31, 2019 | CLEANMATTERS JANITORIAL | $136,963 |
| June 1, 2016 | May 31, 2018 | CLEANMATTERS JANITORIAL | $67,800 |
| June 1, 2016 | May 31, 2019 | CLEANMATTERS JANITORIAL | $111,493 |
| June 15, 2016 | June 14, 2018 | MELLIECENT CLEANING LTD | $56,700 |
| August 1, 2016 | March 31, 2020 | M.A. INDEPENDENT BUILDING | $416,733 |
| August 1, 2016 | July 31, 2018 | M.A. INDEPENDENT BUILDING | $198,383 |
| August 1, 2016 | December 31, 2019 | M.A. INDEPENDENT BUILDING | $385,036 |
| August 1, 2016 | July 31, 2019 | M.A. INDEPENDENT BUILDING | $332,209 |
| June 1, 2017 | September 30, 2018 | M.A. INDEPENDENT BUILDING | $88,818 |
| September 18, 2017 | March 15, 2018 | CLEAN AIR PARTNERSHIP | $24,975 |
| October 1, 2017 | September 30, 2018 | M.A. INDEPENDENT BUILDING | $417,648 |
| October 1, 2017 | September 30, 2018 | M.A. INDEPENDENT BUILDING | $453,243 |
| October 1, 2017 | March 31, 2020 | M.A. INDEPENDENT BUILDING | $1,245,656 |
| October 1, 2017 | September 30, 2019 | M.A. INDEPENDENT BUILDING | $960,387 |
| October 27, 2017 | April 30, 2018 | M.A. INDEPENDENT BUILDING | $10,453 |
| May 31, 2018 | March 31, 2019 | M.A. INDEPENDENT BUILDING | $10,114 |
| May 17, 2019 | June 30, 2019 | SERVICEMASTER OF OTTAWA | $84,750 |
| August 26, 2019 | March 31, 2022 | 8265844 CANADA INC | $35,209 |
| August 26, 2019 | March 31, 2020 | 8265844 CANADA INC | $11,736 |
| October 17, 2019 | March 31, 2020 | CLEAN HARBORS CANADA INC. T46227 | $24,194 |
| April 1, 2020 | September 30, 2024 | SERVICE STAR BUILDING CLEANING INC. | $3,344,776 |
| April 1, 2020 | September 30, 2024 | SERVICE STAR BUILDING CLEANING INC. | $2,409,002 |
| April 1, 2020 | March 31, 2023 | SERVICE STAR BUILDING CLEANING INC. | $2,409,002 |
| April 1, 2020 | March 31, 2024 | SERVICE STAR BUILDING CLEANING INC. | $3,250,807 |
| April 1, 2020 | March 31, 2022 | SERVICE STAR BUILDING CLEANING INC. | $1,727,521 |
| April 1, 2020 | September 30, 2024 | SERVICE STAR BUILDING CLEANING INC. | $3,736,626 |
| April 1, 2020 | September 30, 2024 | SERVICE STAR BUILDING CLEANING INC. | $3,250,807 |
| April 1, 2020 | March 31, 2024 | SERVICE STAR BUILDING CLEANING INC. | $3,344,776 |
| April 1, 2020 | March 31, 2023 | SERVICE STAR BUILDING CLEANING INC. | $2,409,002 |
| April 1, 2020 | September 30, 2024 | SERVICE STAR BUILDING CLEANING INC. | $3,736,626 |
| August 4, 2020 | March 31, 2021 | SERVICE STAR BUILDING CLEANING INC. | $33,900 |
| August 4, 2020 | March 31, 2021 | SERVICE STAR BUILDING CLEANING INC. | $33,900 |
| August 4, 2020 | March 31, 2021 | SERVICE STAR BUILDING CLEANING INC. | $13,424 |
| August 4, 2020 | March 31, 2021 | SERVICE STAR BUILDING CLEANING INC. | $26,894 |
| September 16, 2022 | March 31, 2023 | 8265844 CANADA INC. | $14,229 |
| September 16, 2022 | March 31, 2023 | 8265844 CANADA INC. | $14,229 |
| October 1, 2024 | September 30, 2025 | SERVICE STAR BUILDING CLEANING INC. | $739,020 |
| October 1, 2024 | September 30, 2026 | SERVICE STAR BUILDING CLEANING INC. | $1,478,040 |
| October 1, 2024 | September 30, 2025 | SERVICE STAR BUILDING CLEANING INC. | $739,020 |
| November 29, 2024 | March 31, 2025 | CLEAN ANNAPOLIS RIVER PROJECT | $37,855 |
| December 16, 2025 | February 28, 2026 | MODERN NIAGARA BUILDING SERVICES INC | $11,286 |