| Award | BWS-WSRRF-104 Automatic Backwash Filter Refurbishment at Margaretville & Grahamsville WRRFs | Environmental Protection | Halcyon Construction Corp. | $2.0M | Competitive Sealed Bids | Jul 18, 2024 | 82624B0008001 |
| Award | RLCY-F-J19G: Resiliency Program Job Order Contract, General | Environmental Protection | Halcyon Construction Corp. | $30.0M | Competitive Sealed Bids | May 8, 2024 | 82623B0092001 |
| Award | Resiliency Job Order CONTRACT, General, BK & BX | Environmental Protection | Halcyon Construction Corp. | $10.0M | Renewal | May 27, 2022 | 82619B8244KXLR001 |
| Award | Resiliency Job Order, General, BX | Environmental Protection | Halcyon Construction Corp. | $1.0M | Renewal | Feb 10, 2022 | 82620B8268KXLR001 |
| Award | RESILIENCY PROGRAM JOB ORDER CONTRACT, GENERAL, CO-OP CITY NORTH, ELY AVE AND ZEREGA AVE PS, BX | Environmental Protection | Halcyon Construction Corp. | $3.0M | Competitive Sealed Bids | Sep 17, 2019 | 82619B0062 |
| Award | RESILIENCY PROGRAM JOB ORDER CONTRACT, GENERAL, BROOKLYN AND THE BRONX | Environmental Protection | Halcyon Construction Corp. | $30.0M | Competitive Sealed Bids | Jul 29, 2019 | 82619B0026001 |
| Award | RECONSTRUCTION OF FOUR (4) PRIMARY SETTLING TANKS AT OWLS HEAD WASTEWATER TREATMENT PLANT | Environmental Protection | Halcyon Construction Corp.. | $6.4M | Competitive Sealed Bids | Aug 7, 2018 | 82618B0054001 |
| Award | RECONSTRUCTION OF GAS HOLDER TANKS AT NEWTOWN CREEK WASTEWATER TREATMENT PLANT | Environmental Protection | Halcyon Construction Corp. | $3.4M | Competitive Sealed Bids | May 2, 2018 | 82618B0016001 |
| Award | RECONSTRUCTION OF GAS HOLDER TANKS AT NEWTOWN CREEK WASTEWATER TREATMENT PLANT | Environmental Protection | Halcyon Construction Corp. | $3.4M | Competitive Sealed Bids | Mar 21, 2018 | 82618B0016001 |
| Award | RECONSTRUCTION OF PIPING SYSTEMS AT VARIOUS WASTEWATER TREATMENT PLANTS | Environmental Protection | Halcyon Construction Corp. | $8.0M | Competitive Sealed Bids | Jun 5, 2017 | 82617B0026001 |
| Award | INSTALLATION OF SHAFT MIXERS IN THE INFLUENT CHANNEL TO THE PRIMARY SETTLING TANKS AT WARDS ISLAND WPCP. | Environmental Protection | Halcyon Construction Corp. | $5.9M | Competitive Sealed Bids | Aug 18, 2015 | 82614WPC1312 |
| Award | INSTALLATION OF EIGHT (8) BAR SCREENS AT THE BOWERY BAY WASTEWATER TREATMENT PLANT. | Environmental Protection | Halcyon Construction Corp. | $6.0M | Competitive Sealed Bids | Aug 17, 2015 | 82615WPC1317 |
| Award | RECONSTRUCTION OF 17 FINAL TANKS AT THE BOWERY BAY WPCP. | Environmental Protection | Halcyon Construction Corp. | $4.9M | Competitive Sealed Bids | Feb 14, 2005 | 82604SPC1011 |