Langan Engineering Environmental Surveying Landscaping Archi

City-funded organization

Langan Engineering, Environmental, Surveying, Landscape Architecture and Geology, DPC is an engineering and environmental consulting firm that, per its own website, provides site/civil engineering, geotechnical, environmental, surveying and landscape architecture services to public and private clients. It has been awarded $57 million in registered NYC contracts since 2010, chiefly with the Department of Design and Construction, Department of City Planning, Department of Parks and Recreation and the City University Construction Fund, including a $36 million "Emerg On-Call Contract- Cat 8- Prov of environment test serv" contract (badge: RFP) and an $18 million "RQ_C Renewal of CM Design Build for Disaster Recov.. Cat 8" contract with the Department of Design and Construction (badge: Renewal, not re-bid). It holds no active NYC contracts as of 2026-08-08, has been paid $929,000 to date, and 33% of its contract value ($18.75 million across 2 contracts) was awarded without a fresh competitive bid.

Industry (per city contracts)
Professional Services
City contracts
none active as of 2026-08-22 · $56,585,301 awarded since 2010
Paid to date
$928,921
Won without a fresh bid
33% of contract value · $18,750,000 · 2 contracts

Holds contracts at

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).

Sources