| Award | Marine Transport. of Liquid Sludge | Environmental Protection | Spectraserv, Inc. | $8.4M | Renewal | Dec 23, 2025 | 82625E8003KXLR001 |
| Award | PR-151: Replacement of sluice gates, PR WRRF | Environmental Protection | Spectraserv, Inc. | $6.9M | Emergency Purchase | Aug 16, 2022 | 82622E0004001 |
| Award | SLUDGE REMOVAL SERVICES, MAHOPAC WWTP, UPSTATE, N.Y | Environmental Protection | Spectraserv, Inc. | $313K | Competitive Sealed Bids | Jul 1, 2015 | 82614WS00046 |
| Award | SLUDGE REMOVAL AT SEWAGE TREATMENT PLANTS IN ULSTER, DELAWARE and GREEN COUNTIES UPSTATE, NEW YORK. | Environmental Protection | Spectraserv, Inc. | $296K | Competitive Sealed Bids | Aug 8, 2007 | 82607WS00007 |
| Award | RECONSTRUCTION OF THE DEWATERED SLUDGE CAKE SYSTEM AT THE OAKWOOD BEACH WPCP. | Environmental Protection | Spectraserv, Inc. | $2.3M | Competitive Sealed Bids | Apr 28, 2005 | 82604WPC1003 |
| Award | RECONSTRUCTION OF THREE FINAL TANKS, PORT RICHMOND WPCP STATEN ISLAND. | Environmental Protection | Spectraserv, Inc. | $679K | Competitive Sealed Bids | Dec 16, 2004 | 82604WPC1014 |
| Award | INSTALLATION OF NEW DIFFUSERS AND VALVES AT THE PORT RICHMOND WPCP. | Environmental Protection | Spectraserv, Inc. | $2.0M | Competitive Sealed Bids | Oct 6, 2004 | 82604WPC1008 |
| Award | SLUDGE FLOW METERING SYSTEM | Environmental Protection | Spectraserv, Inc. | $395K | Competitive Sealed Bids | Aug 19, 2003 | 82603WPC0962 |