| Award | Dechlorination Facility at Owls Head WWTP | Environmental Protection | Welkin Mechanical, LLC | $29.7M | Competitive Sealed Bids | Feb 8, 2021 | 82620B0009001 |
| Award | DECHLORINATION FACILITY AT OWLS HEAD WWTP | Environmental Protection | Welkin Mechanical, LLC | $29.7M | Competitive Sealed Bids | Apr 17, 2020 | 82620B0008001 |
| Award | REPLACEMENT OF SCREW CONVEYOR SYSTEM IN THE NORTH PRIMARY TANKS NOS 10-15 AND RELOCATION OF DRIVE SYSTEM TO THE TANK LEVEL AT THE BOWERY BAY WASTEWATER | Environmental Protection | Welkin Mechanical, LLC | $3.6M | Competitive Sealed Bids | Nov 14, 2019 | 82619B0046001 |
| Award | RECONSTRUCTION OF TIDE GATES AT REGULATOR 26W-02 | Environmental Protection | Welkin Mechanical, LLC | $2.5M | Competitive Sealed Bids | Oct 25, 2019 | 82619B0077001 |
| Award | SERVICE AND REPAIR OF HVAC EQUIPMENT AT MULTIPLE DEP FACILITIES, BRONX AND WESTCHESTER COUNTIES | Environmental Protection | Welkin Mechanical, LLC | $3.5M | Competitive Sealed Bids | Jun 27, 2019 | 82618B0079001 |
| Award | JOB ORDER CONTRACT FOR NORTH REGION PLUMBING | Environmental Protection | Welkin Mechanical, LLC | $15.0M | Competitive Sealed Bids | May 23, 2019 | 82618B0044001 |
| Award | MAINTENANCE AND REPAIR OF BAR SCREENS AT FLUSHING BAY COMBINED SEWER OVERFLOW (FBCSO) DEPARTMENT OF ENVIRONMENTAL PROTECTION FACILITIES, QUEEN | Environmental Protection | Welkin Mechanical, LLC | $750K | Competitive Sealed Bids | Apr 25, 2019 | 82619B0009001 |
| Award | ABOVE GROUND WATER QUALITY MONITORING STATIONS AT SHAFT 3B, CROTON SITE AND SHAFT 7, BRONX, N.Y. | Environmental Protection | Welkin Mechanical, LLC | $2.8M | Competitive Sealed Bids | Mar 6, 2019 | 82618B0080001 |
| Award | ENERGY CONSERVATION MEASURES IMPROVEMENT AT 3 WOH WWTPS- HVAC, UPSTATE NY | Environmental Protection | Welkin Mechanical, LLC | $18.6M | Competitive Sealed Bids | Feb 5, 2019 | 82618B0039001 |
| Award | SHAFT 18 ELECTRICAL AND HVAC UPGRADES, HVAC, UPSTATE NEW YORK | Environmental Protection | Welkin Mechanical, LLC | $1.3M | Competitive Sealed Bids | Jul 27, 2018 | 82618B0028001 |
| Award | HVAC JOB ORDER CONTRACT FOR NORTH REGION, QNS, BX, MANH.(LARGE PROJECTS) | Environmental Protection | Welkin Mechanical, LLC | $6.0M | Competitive Sealed Bids | Jun 28, 2018 | 82617B0048001 |
| Award | PREVENTIVE MAINTENANCE AND REPAIR OF DEHUMIDIFIERS, VENTILATION AND ASSOCIATED OPERATING SYSTEMS IN BWSO FACILITIES AND SUBTERRANEAN CHAMBERS-CITYWIDE | Environmental Protection | Welkin Mechanical, LLC | $952K | Competitive Sealed Bids | May 25, 2018 | 82617B0061001 |
| Award | ABOVE GROUND WATER QUALITY MONITORING STATION AT SHAFT 3A, BRONX, N.Y. | Environmental Protection | Welkin Mechanical, LLC | $1.5M | Competitive Sealed Bids | Mar 21, 2018 | 82617B0051001 |
| Award | CHEMICAL ADDITION FACILITY AT ASHOKAN RESERVOIR-STRUCTURE AND EQUIPMENT, UPSTATE NEW YORK | Environmental Protection | Welkin Mechanical, LLC | $5.7M | Competitive Sealed Bids | Mar 21, 2018 | 82617B0037001 |
| Award | WIGGINS TYPE GAS HOLDER REPAIR, NORTH RIVER WWTP | Environmental Protection | Welkin Mechanical, LLC | $10.4M | Competitive Sealed Bids | Jul 21, 2017 | 82616B0036001 |
| Award | MAINTENANCE AND REPAIR OF OVERHEAD VALVE AND OPERATING SYSTEM IN THE SUBTERRANEAN CHAMBERS OF CITY WATER TUNNEL #3, CITYWIDE | Environmental Protection | Welkin Mechanical, LLC | $2.2M | Competitive Sealed Bids | May 9, 2017 | 82616B0055001 |
| Award | INSTALLATION OF NEW CLIMBER SCREENS, GATES AND HOISTS AT THE FLUSHING BAY CSO | Environmental Protection | Welkin Mechanical, LLC | $10.6M | Competitive Sealed Bids | Jul 5, 2016 | 82615B0073001 |
| Award | CONSTRUCTION OF A DECHLORINATION FACILITY, NEWTOWN CREEK WWTP | Environmental Protection | Welkin Mechanical, LLC | $9.9M | Competitive Sealed Bids | Jun 20, 2016 | 82615B0075001 |
| Award | PREVENTIVE MAINTENANCE AND REPAIR OF CHEMICAL METERING PUMPS AT NYC DEP RESERVOIRS AND CHLORINATION STATIONS | Environmental Protection | Welkin Mechanical, LLC | $659K | Competitive Sealed Bids | Dec 28, 2015 | 82615B0046001 |
| Award | RECONSTRUCTION OF SIX (6) MAIN SEWAGE PUMPS AT WARDS ISLAND WPCP. | Environmental Protection | Welkin Mechanical, LLC | $3.7M | Competitive Sealed Bids | Aug 18, 2015 | 82613WPC1213 |
| Award | INSTALL, REPAIR, MAINTAIN AND INSPECT PLUMBING, STANDPIPE AND SPRINKLER SYSTEMS | Environmental Protection | Welkin Mechanical, LLC | $405K | Competitive Sealed Bids | Aug 18, 2015 | 82614FMC2014 |
| Award | CONSTRUCTION OF DECHLORINATION FACILITIES AT NORTH RIVER AND CONEY ISLAND | Environmental Protection | Welkin Mechanical, LLC | $17.9M | Competitive Sealed Bids | Jul 1, 2015 | 82613WP01278 |