| MA104020239377130 | COMBUSTION SYSTEM & INSTRUMENTS INC | Department of Education | Repair of Oil Burners, Gas Burners and Dual Fuel (AC 1 and 2 | $29.0M | — | 184 | Nov 2022 | Oct 2027 | Non-M/WBE |
| MA104020229278555 | COMBUSTION SYSTEM & INSTRUMENTS INC | Department of Education | Repair and Maintenance of Gas Leak Detection systems | $3.2M | — | 68 | Jun 2022 | Feb 2026 | Non-M/WBE |
| MA104020189871586 | COMBUSTION SYSTEM & INSTRUMENTS INC | Department of Education | Repair and Maintenance of Gas Leak Detection Systems | $2.6M | — | 5 | Jun 2017 | May 2022 | Non-M/WBE |
| MA104020229277295 | COMBUSTION SYSTEM & INSTRUMENTS INC | Department of Education | Repair of oil, gas, and dual fuel burners | $1.8M | — | 24 | Jan 2022 | Sep 2022 | Non-M/WBE |
| MA104020199976743 | COMBUSTION SYSTEM & INSTRUMENTS INC | Department of Education | Repair of Oil Burners, Gas Burners and Fuel Burners | $1.7M | — | 14 | Jun 2019 | May 2024 | Non-M/WBE |
| MA104020179772996 | COMBUSTION SYSTEM & INSTRUMENTS INC | Department of Education | Repair of oil, gas, and dual fuel burners | $766K | — | 0 | Jan 2017 | Dec 2021 | Non-M/WBE |
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