| | MAINSTREAM ENGINEERING CORP | ENHANCED ENVIRONMENTAL CONTROL UNIT EECU BPA | BPA | $60,000,000 | FEDERAL ACQUISITION SERVICE | DEPT OF THE AIR FORCE | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Apr 29, 2024 | Apr 29, 2024 | Apr 28, 2026 |
| | MAINSTREAM ENGINEERING CORP | — | FSS | $500,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Sep 8, 2022 | Sep 8, 2022 | Sep 7, 2027 |
| | MAINSTREAM ENGINEERING CORP | — | IDC | $74,000,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | SBA | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC13NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; EXPERIMENTAL DEVELOPMENT | Jul 21, 2021 | Jul 21, 2021 | — |
| | MAINSTREAM ENGINEERING CORP | TRICON REFRIGERATED CONTAINMENT SYSTEM | IDC | $40,000,000 | DEPT OF THE ARMY | DEPT OF THE ARMY | SBA | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 8145SPECIALIZED SHIPPING AND STORAGE CONTAINERS | Jun 23, 2011 | Jun 23, 2011 | Jun 22, 2016 |
| | MAINSTREAM ENGINEERING CORP | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $1,999,500 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 333411 | 4120AIR CONDITIONING EQUIPMENT | Nov 2, 2009 | Nov 6, 2009 | — |
| | MAINSTREAM ENGINEERING CORP | 9/18/36K IECU SDD, LRIP, AND FRP | IDC | $44,069,409 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4120AIR CONDITIONING EQUIPMENT | May 13, 2009 | May 13, 2009 | Sep 30, 2016 |
| | MAINSTREAM ENGINEERING CORP | QRCS PRODUCTION UNITS | IDC | $24,578,000 | DEPT OF THE ARMY | — | SBA | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4110REFRIGERATION EQUIPMENT | Sep 17, 2007 | Sep 17, 2007 | Jul 5, 2012 |
| | MAINSTREAM ENGINEERING CORP | FEDERAL SUPPLY SCHEDULE CONTRACT. | FSS | $125,000 | FEDERAL ACQUISITION SERVICE | — | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Mar 16, 2006 | Mar 16, 2006 | Mar 15, 2011 |
| | MAINSTREAM ENGINEERING CORP | — | IDC | $0 | DEPT OF THE AIR FORCE | — | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4120AIR CONDITIONING EQUIPMENT | Jun 20, 2001 | Jun 20, 2001 | Dec 15, 2001 |
| | MAINSTREAM ENGINEERING CORP | — | FSS | $0 | FEDERAL ACQUISITION SERVICE | — | — | — | — | Sep 15, 1993 | Sep 15, 1993 | — |
| | MAINSTREAM ENGINEERING CORP | — | IDC | $0 | — | — | — | — | 4110REFRIGERATION EQUIPMENT | May 15, 1993 | May 15, 1993 | Jul 15, 1995 |
| | MAINSTREAM ENGINEERING CORP | — | FSS | $0 | FEDERAL ACQUISITION SERVICE | — | — | — | — | Oct 15, 1992 | Oct 15, 1992 | — |