Greeley & Hansen LLC
City-funded organization
Greeley & Hansen LLC is an engineering and consulting firm founded in 1914 that specializes in water, wastewater, and solid-waste infrastructure design; it was acquired by TYLin in 2022 and now operates as Greeley and Hansen, A TYLin Company. It holds $52,702,190 in active NYC contracts as of August 2026, mostly design work for the Department of Environmental Protection's wastewater treatment plants, and has been awarded $242,003,112 across 18 city contracts since 1999, with 45% of that value ($108,198,264) won without a competitive bid, and $221,088,321 paid to date.
- Industry (per city contracts)
- Professional Services
- City contracts (active)
- $52,702,190 · 5 contracts
- Awarded all-time
- $242,003,112 · 18 since 1999, incl. expired
- Paid to date
- $221,949,696
- Won without a fresh bid
- 45% of contract value · $108,198,264 · 3 contracts
Holds contracts at
- Department of Design and Construction City agency
- Department of Environmental Protection City agency
- Department of Sanitation 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).
- REI Trunk & Dist. Main Conn to Shaft 32B in 2nd Ave- Man Department of Design and Construction · CT185020171411104 $15,125,144
- Design & CM for Power Distribution Improvement at Bowery Bay Department of Environmental Protection · CT182620151419442 $12,351,067
- Design for Recons of Power Distrib at Wards Island WWTP Department of Environmental Protection · CT182620181422953 $9,585,248
- Design & DSDC for Reconst of Primary Tanks at Bowry Bay WWTP Department of Environmental Protection · CT182620181426388 $8,104,109
- Design for Tallman Island WWTP Power Distribution Improvemen Department of Environmental Protection · CT182620181423360 $7,536,622
- Engineering & Other Services for Marine Export of Solid Wast Department of Sanitation · CT182720030022923 · ended 2018 $63,024,513
- East 91 ST., South West Bklny., West 59 St. Department of Design and Construction · CT185020121431186 · ended 2026 $33,945,855
- Design Preliminary Treatment Reliability Improvement 26Ward Department of Environmental Protection · CT182620131421421 · ended 2024 $19,454,602
- On-Call Design and Design Services During Construction Department of Environmental Protection · CT182620211420436 · ended 2026 $14,693,940
- Resiliency Design and Design Services During Construction Department of Environmental Protection · CT182620161423911 · ended 2026 $11,757,553