Acs System Associates, Inc
City-funded organization
ACS System Associates, Inc. is a mechanical and general contracting firm based in Hicksville, NY, that has served government and commercial clients with HVAC installation, boiler, and energy-efficiency work for more than 30 years, according to its own website. In New York City it holds HVAC and building-systems contracts with the Department of Design and Construction, Department of Environmental Protection, Department of Homeless Services, Department of Sanitation, Department of Social Services, Fire Department, and Health and Hospitals Corporation, totaling $88 million awarded since 2006 across 34 contracts (including expired) and $11.5 million currently active across 4 contracts as of August 2026. Only 2% of contract value was awarded without a fresh competitive bid.
- Industry (per city contracts)
- Construction Services
- City contracts (active)
- $11,529,963 · 4 contracts
- Awarded all-time
- $87,972,035 · 34 since 2006, incl. expired
- Paid to date
- $67,274,993
- Won without a fresh bid
- 2% of contract value · $1,923,644 · 2 contracts
- Based in
- Mount Vernon, NY (NY State)
Holds contracts at
- Department of Design and Construction City agency
- Department of Environmental Protection City agency
- Department of Homeless Services City agency
- Department of Sanitation City agency
- Department of Social Services City agency
- Fire Department City agency
- Health and Hospitals Corporation City agency
City contracts
Registered city contracts, largest first by current contract value (not amount spent): running now, then registered to start later, then ended. Totals count every registered contract. Each line shows its Checkbook contract ID. The tag on each row is how it was awarded (“no-bid” = non-competitive).
- LBC16MD2F Midwood Library 2nd Floor Renovation Rebid Department of Design and Construction · CT185020268804206 $5,849,014
- PO#BEL0205151- PJ# SAND1122- INSTALL NEW COOLING SYSTEM Health and Hospitals Corporation · CT181920251400871 $2,876,609
- HVAC Renewal Department of Social Services · CT106920248806264 $1,402,340
- Castle Hill Branch Library-Contract # 3 HVAC Department of Design and Construction · CT185020258807062 $1,402,000
- ENERGY CONSERVATION MEASURE AT MANHATTAN SUPREME COURTHOUSE Department of Design and Construction · CT185020171420597 · ended 2019 $11,519,594
- ENERGY EFFICIENCY AT TWO DCAS SITES Department of Design and Construction · CT185020211419921 · ended 2026 $10,192,649
- Fort Washington Armory Boiler Replacement Department of Homeless Services · CT107120201400916 · ended 2025 $9,726,294
- Removal and Replacement of Existing Boilers, Water Heaters Fire Department · CT105720060045667 · ended 2012 $4,614,250
- REHABILITATION OF HVAC SYSTEM OF CIOFFE REPAIR SHOP Department of Sanitation · CT182720171404126 · ended 2023 $4,460,988
- hvac work gowanus facilities upgrade Department of Environmental Protection · CT182620100006276 · ended 2017 $4,446,119