| Award | LBC16MD2F Midwood Library 2nd Floor Renovation Rebid | Design and Construction | ACS System Associates, Inc. | $5.8M | Competitive Sealed Bids/Pre-Qualified List | Jan 28, 2026 | 85025B0075001 |
| Award | Library HVAC Replacement | Design and Construction | ACS System Associates, Inc. | $2.6M | Competitive Sealed Bids | Mar 27, 2025 | 85025B0002001 |
| Award | NEW INSTALLATIONS AND REPAIR TO HVAC, CITYWIDE | Dept. of Social Svcs/Human Resources Administration | ACS System Associates, Inc. | $1.4M | Renewal | Aug 2, 2024 | 06921B8005KXLR001 |
| Award | Replacement of HVAC Equipment and Accessories at the 49th Precinct Station House | Police Department | ACS System Associates, Inc. | $1.5M | Competitive Sealed Bids | Apr 4, 2023 | 05622B0008001 |
| Award | New Installations and Repair to Heating, Ventilation, and Air Conditioning (HVAC) - Citywide. | Human Resources Administration | ACS System Associates, Inc. | $1.4M | Competitive Sealed Bids | Apr 8, 2021 | 09620B0001001 |
| Award | FORT WASHINGTON BOILER REPLACEMENT | Dept. of Social Svcs/Human Resources Administration | ACS System Associates, Inc. | $8.3M | Competitive Sealed Bids | Sep 9, 2019 | 17BCCDM00101 |
| Award | QUEENS BOTANICAL GARDEN BMS SUPPLEMENTAL DIFFUSION WELL-BOROUGH OF QUEENS | Design and Construction | ACS System Associates, Inc. | $1.2M | Competitive Sealed Bids | Jun 16, 2015 | 85015B0084001 |
| Award | GOWANUS FLUSHING TUNNEL REACTIVATION - HVAC. | Environmental Protection | ACS System Associates, Inc. | $4.2M | Competitive Sealed Bids | Nov 16, 2009 | 82609WP01140 |
| Award | Boiler Replacement | Fire Department | ACS System Associates, Inc. | $4.6M | Competitive Sealed Bids | Aug 31, 2007 | 057060001786 |
| Award | HVAC & PLUMBING WORK RENOVATION OF THE MANHATTANVILLE HEALTH CENTER, MANHATTAN | Design and Construction | ACS System Associates, Inc. | $72K | Competitive Sealed Bids | Feb 28, 2003 | 8502003HL0035C |