| Award | Taking Land and Marine Borings for Highway Projects Citywide | Design and Construction | AARCO Environmental Services Corp. | $1.5M | Renewal | Dec 18, 2025 | 85022B0082001R001 |
| Award | Taking of Land and Marine Borings Citywide | Design and Construction | AARCO Environmental Services Corp. | $1.6M | Renewal | Sep 30, 2025 | 85022B0103001R001 |
| Award | Mobile Vactor, AHC20-Q1 Renewal #1 | Environmental Protection | AARCO Environmental Services Corp. | $3.3M | Renewal | Feb 20, 2025 | 82621B0038001R001 |
| Award | Mobile Vactor, AHC20-MX_Renewal #1 | Environmental Protection | AARCO Environmental Services Corp. | $2.3M | Renewal | Feb 20, 2025 | 82621B0050001R001 |
| Award | FUEL SITE MAINTENANCE SERVICES | Citywide Administrative Services | AARCO Environmental Services Corp. | $9.4M | Competitive Sealed Bids | Sep 16, 2024 | 85723B0148001 |
| Award | 1573-CBSINS INSPECTION AND CLEANING OF CHEMICAL BULK STORAGE | Environmental Protection | AARCO Environmental Services Corp. | $1.7M | Competitive Sealed Bids | Mar 1, 2024 | 82623B0038001 |
| Award | HMHD-23 Handling, removal & disposal of hazardous waste, MATERIALS AND EMERGENCY SPILL RESPONSE | Environmental Protection | AARCO Environmental Services Corp. | $819K | Competitive Sealed Bids | Feb 10, 2023 | 82622B0048001 |
| Award | Taking of land and marine borings Citywide | Design and Construction | AARCO Environmental Services Corp. | $4.3M | Competitive Sealed Bids | Oct 20, 2022 | 85022B0103001 |
| Award | Taking Land and Marine Borings for Highway Projects Citywide | Design and Construction | AARCO Environmental Services Corp. | $3.0M | Competitive Sealed Bids | Oct 19, 2022 | 85022B0082001 |
| Award | Services of Mobile VactorJet Flusher Sewer/Catch Basin cleaning | Environmental Protection | AARCO Environmental Services Corp. | $1.7M | Renewal | Apr 21, 2022 | 82619B8271KXLR001 |
| Award | PETROLEUM STORAGE TANKS TESTING AT VARIOUS LOCATIONS | Sanitation | AARCO Environmental Services Corp. | $190K | Renewal | Apr 11, 2022 | 82717B8222KXLR001 |
| Award | AHC20-MX Service of a Mobile Vactor, Manhattan, Bronx | Environmental Protection | AARCO Environmental Services Corp. | $3.5M | Competitive Sealed Bids | Jan 13, 2022 | 82621B0050001 |
| Award | AHC20-Q1 Services of Mobile Vactor, Queens. | Environmental Protection | AARCO Environmental Services Corp. | $5.0M | Competitive Sealed Bids | Jan 11, 2022 | 82621B0038001 |
| Award | 1544-HAZ Non-hazardous and Hazardous Waste Removal and Disposal | Environmental Protection | AARCO Environmental Services Corp. | $731K | Competitive Sealed Bids | Jan 6, 2022 | 82621B0053002 |
| Award | 1469-CBSINS Renewal #1 | Environmental Protection | AARCO Environmental Services Corp. | $783K | Renewal | Sep 27, 2021 | 82618B8257KXLR001 |
| Award | SERVICE FUEL DISPENSING SITES | Police Department | Aarco Environmental Services Corp. | $3.7M | Competitive Sealed Bids | Jun 4, 2019 | 05618B0008 |
| Award | SERVICES OF MOBILE VACTOR JET FLUSHER MACHINE FOR SEWER AND CATCH BASIN CLEANING WITH AN OPERATOR AND LABORER, CITYWIDE. | Environmental Protection | Aarco Environmental Services Corp. | $5.1M | Competitive Sealed Bids | Mar 1, 2019 | 82616B0017001 |
| Award | VENTION REPORTS FOR VARIOUS WASTEWATER TREATMENT PLANTS, PUMP STATIONS, AND ASSOCIATED DEP FACILITIES | Environmental Protection | Aarco Environmental Services Corp. | $1.1M | Competitive Sealed Bids | May 2, 2018 | 82617B0072001 |
| Award | PUMP AND TANK REPAIRS AND MAINTENANCE | Parks and Recreation | Aarco Environmental Services Corp. | $457K | Competitive Sealed Bids | Jan 10, 2018 | 84617B0211 |
| Award | PRECISION TESTING OF UNDERGROUND FUEL TANKS | Dept. of Social Svcs/Human Resources Administration | Aarco Environmental Services Corp. | $81K | Competitive Sealed Bids | Aug 10, 2017 | 07117S021525 |
| Award | REQUIREMENTS CONTRACT FOR UPGRADING OF UNDERGROUND TANK MANHOLE COVERS AT DSNY FACILITIES, CITYWIDE | Sanitation | AARCO Environmental Services Corp. | $475K | Competitive Sealed Bids | Jan 13, 2012 | 82711RR00016 |