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Request for Bids/Proposals
Notices of current RFBs and RFPs are available below.
To request additional information regarding the RFB/RFP’s email Simone George.
You may also reach her by telephone at (302) 739-5361 or fax (302) 739-4287.
Please click the Contract Number to read or print the entire Notice.
- Businesses who have subscribed to the vendor list are notified by email or fax whenever a Request for Bid/Proposal has been issued for the commodity or service offered by the vendor. This notification is provided as a courtesy only. Because DSWA cannot guarantee that all electronic versions will be sent out, we urge you to check the local legal notices and our website, www.dswa.com for Request for Bids/Proposals
- DSWA does not engage in the practice of selling mailing lists to a third party. All information provided will be for the sole purpose of DSWA’S Requests for Bids and Proposals and DSWA’S staff only. The information provided will be kept confidential.
Current Requests for Bids
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C-26-944-NT Repairs to Buildings 1, 2 and 3 at the Pine Tree Corners Transfer Station
- Contract No.: C-26-944-NT
- Posted: 09/23/2026
- Due: 11/04/2026
- Addenda: 0
- Planholders
Company Address Phone Fax Delmarva Veteran Builders Salisbury, MD 443.736.1584 Mason Building Group Inc. 302-304-2762 Greggo and Ferrara Inc. New Castle, DE Mitten Construction Co. Dover, DE 855-321-3602 Dodge Construction Network Prime Vendor, Inc. Wilmington, NC 910-805-9630 Tricon Construction Management Inc. New Castle, Delaware 302-838-6500 Construct Connect 513.458.8520 Delmarva Welding Camden-Wyoming 302-535-0115 Quinn Construction, Inc. Essington, PA 484-832-7218 Mar-Allen Concrete Products, Inc. Ephrata, PA 717.859.4921 L & L Legacy Construction Philadelphia, PA (215) 525-8399
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O-26-942-CS LANDFILL OPERATIONS AT THE CENTRAL SOLID WASTE MANAGEMENT CENTER
- Contract No.: O-26-942-CS
- Posted: 09/22/2026
- Due: 11/05/2026
- Addenda: 0
- Planholders
Company Address Phone Fax Independent Operators LLC Wilmington, DE 302-420-1770 Greggo & Ferrara, Inc. New Castle, DE 302-658-5241 Superior Electric Wilmington, DE 302- 658-5949 Chesapeake Turf, LLC 443-497-1917 Allied Solution Enterprise Carmel, IN 877-328-4432 Prime Vendor, Inc. Wilmington, NC 910-805-9630 NovaTech Sainte-Julie, QC J3E1Z4, Canada 315-813-7887 Carter Machinery Company, Inc. Felton, DE 302-284-4100 LSC Environmental Products, LLC Bakersfield, CA 661-617-7335 Commonwealth Drilling Company Plymouth, PA 267-254-4085
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C-26-945-SS RELOCATION OF TAX DITCH ASKETUM PRONG 5 AT THE SOUTHERN SOLID WASTE MANAGEMENT CENTER
- Contract No.: C-26-945-SS
- Posted: 09/09/2026
- Due: 10/20/2026
- Addenda: 1
- Planholders
Company Address Phone Fax Construction Information Systems Kinnelon, NJ 973-492-0509 George & Lynch, Inc. Dover, DE 302-736-3031 Allan Myers Fallstown, MD 301.674.9366 Harnden Group LLC Harrisburg, PA 717-790-9843 Eastern States Wilmington, DE 302-995-2259x119 Castle Construction of DE Inc 302-326-3600 Chesapeake Turf LLC Salisbury, MD 410-341-4363 Prime Vendor Wilmington, NC 910-805-9630 Kinsley Construction 717-324-2300 Lindstrom Excavating Contractors, Inc. Worton, MD 410.778.6344 Construct Connect 513.458.8520 SMI/Delaware Kenton, DE 302-514-9681 Envirotech Environmental Consulting Inc. Lewes, DE 302-684-5201 Scott Hitchens Enterprises, LLC Frankford, DE, 302-258-3543,
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P-26-937-SS Purchase and Service of a New Landfill Compactor and Sale of DSWA’S Used Landfill Compactor for the Southern Solid Waste Management Center
- Contract No.: P-26-937-SS
- Posted: 04/07/2026
- Due: 05/07/2026
- Addenda: 1
- Planholders
Company Address Phone Fax PWXPress Jacksonville, FL 408-676-8941 Prime Vendor, Inc. Wilmington, NC 910-7942-856 Scrap/Solid Waste Sales, Aljon Ottumwa, IA 843-360-2652 Marcel Equipment Limited London, ON, Canada 519.686.1123 McClung-Logan Equipment Company, Inc. Bridgeville, DE 443.543.4236 Caron Compactor Company Escalon, CA (209) 838-2062 James River Equipment 302.287.8676 Carter Machinery 302-284-4100
Current Requests for Proposals
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S-26-940-CSSS - Environmental Monitoring Services for the CSWMC, SSWMC and Transfer Stations
- Contract No:: S-26-940-CSSS
- Posted: 09/15/2026
- Due: 12/10/2026
- Addenda: 0
- Planholders
Company Address Phone Fax ARM Group West Chester, PA 610-350-3935 Eurofins Drinking Water and Wastewater Northeast, LLC Horsham, PA 484-443-7063 BidPrime Inc. Austin, TX 1-888-808-5356 Deltek, Inc Herndon VA Allied Solution Enterprise Carmel, IN 877-328-4432 Envirocorp Labs Harrington, DE Kleinfelder Hanover, MD 410.850.0404 EnviroSure Inc. Malvern, PA 610.696.8980 Construction Information Systems Kinnelon, NJ 315.457.5200 Barton & Loguidice 315.457.5200 BATTA Environmental Associates, Inc. 855.862.2882 EA Engineering, Science, and Technology, Inc., PBC Hunt Valley MD 410.329.5164 Eurofins Lancaster Laboratories Environment Testing, LLC Lancaster, PA 717-656-2300 Kimley-Horn Reston, VA Reston, VA HETI Services Acton, MA 215-550-6678 Deltek, Inc Herndon VA
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O-24-914-NT, O-24-915-CM, O-24-916-SR - OPERATIONS OF THE PINE TREE CORNERS, MILFORD AND ROUTE 5 TRANSFER STATIONS
- Contract No:: O-24-914-NT, O-24-915-CM, O-24-916-SR
- Posted: 11/19/2025
- Due: 01/21/2026
- Addenda: 2
- Planholders
Company Address Phone Fax Greggo & Ferrara Inc. New Castle, DE 302.658.5241 Independent Operators Newark, DE 302.420.1770 Republic Services West Grove, PA 610-476-6364 Waste Masters Solutions New Castle, DE 302.319.6924 Waste Management Newtown, PA (860) 250-6705 A-Del Construction Newark, DE 443.880.3165 Construction Information Systems Kinnelon, NJ 973.492.0509 Construct Connect 7198210662 Voyager Trucking Newark, NJ 923.589.3444 MWS Logistics Carnesville, GA 719.821.0662 Bousum Trucking Chambersburg, PA 908.489.6548
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S-24-917-SW - HAULING OF MATERIALS FROM THE PINE TREE CORNERS, MILFORD, AND ROUTE 5 TRANSFER STATIONS
- Contract No:: S-24-917-SW
- Posted: 11/19/2025
- Due: 01/21/2025
- Addenda: 2
- Planholders
Company Address Phone Fax Greggo & Ferrara Inc. New Castle, DE 302.658.5241 Independent Operators Newark, DE 302.420.1770 Waste Masters Solutions New Castle, DE 302-319-6924 A-Del Construction Newark, DE 443.880.3165 NovaTech Sainte-Julie, QC J3E1Z4, Canada 315.813.7887 MWS Logistics Carnesville, GA 864-527-0447 Voyager Trucking Newark, NJ 923.589.3444 Imara Freight Bear, DE 302-559-6384 Republic Services West Grove, PA 610.476.6364 Bosum Trucking Chambersburg, PA 908.489.6548 White Line Transfer LLC. Rehoboth Beach, DE 302.683.4796