| MA104020199976046 | HI-TECH AIR CONDITIONING SERVICE INC | Department of Education | Job Order Contract for HVAC Energy Efficient Projects | $21.8M | — | 11 | Oct 2018 | Oct 2023 | Non-M/WBE |
| MA104020239378930 | HI-TECH AIR CONDITIONING SERVICE INC | Department of Education | Repair of AC/Heating equipment | $13.4M | — | 105 | Mar 2023 | Nov 2025 | Non-M/WBE |
| MA104020129274616 | HI-TECH AIR CONDITIONING SERVICE INC | Department of Education | Repair of large air conditioning & combind ac/heating equip | $11.8M | — | 0 | Jun 2012 | Jun 2017 | Non-M/WBE |
| MA104020189871274 | HI-TECH AIR CONDITIONING SERVICE INC | Department of Education | Repair of large AC equipment & combined AC/heat equipment | $11.0M | — | 82 | Mar 2018 | Feb 2023 | Non-M/WBE |
| MA104020179775126 | HI-TECH AIR CONDITIONING SERVICE INC | Department of Education | Repair of large a/c and combined a/c equipment | $4.7M | — | 0 | Jun 2017 | Feb 2018 | Non-M/WBE |
| MA104020069602104 | HI-TECH AIR CONDITIONING SERVICE INC | Department of Education | REQ-REP/MAINT-MJ HEAT-A/C EQUIP. V-Q/K 0448H-06 | $2.5M | — | 0 | Apr 2006 | Apr 2011 | Non-M/WBE |