On-Call Wastewater Treatment Facility Engineering Services
Closed bids
Closed Colorado Engineering Services Bids & RFPs
- Closed in the last 30 days
- 28
- Closed this year
- 100+
- Closed bids on record
- 250+
Bid Banana holds 250+ closed Colorado engineering services solicitations. These are the 50 that closed most recently. In the last 12 months, the most Colorado engineering services bids closed in September 2026 (37); the agencies behind the most of the 50 most recent were U.S. Department Of The Interior, U.S. Department Of Defense and U.S. Department Of Veterans Affairs.
Recently closed
- REQUEST FOR INFORMATION (RFI)/ SOURCES SOUGHT Space Force Mission Delta 9 (MD9)
The United States Space Force’s Mission Delta 9 (MD9) is conducting market research to shape an enterprise Commercial Solutions Opening…
- D--Replacement of NWQL's Wastewater Treatment Monitor
The USGS National Water Quality Laboratory seeks market‑research responses from firms capable of replacing its aging wastewater‑treatment…
- Meadow Hills & Spring Hills Golf Course Irrigation Design
- Space Warfighter Training, Modeling, and Simulation Support
The United States Space Force is seeking industry input via a Sources‑Sought notice for comprehensive, non‑personal mission support services…
- RFQ - City of Cortez Airport Engineering Services
The City of Cortez, Colorado, is seeking qualified consulting firms to provide comprehensive airport engineering services under a five‑year…
- Vail Pass Bridge #4 Abutment Repair
The County seeks an engineering firm to conduct a comprehensive geotechnical investigation, evaluate foundation conditions, assess the…
- Comprehensive UPS Lifecycle Support and Maintenance Services
The City of Thornton is seeking a qualified vendor to provide full‑lifecycle support for its Uninterruptible Power Supply (UPS) systems…
- Cameras and Accessories Purchase Phase II
The Regional Transportation District (RTD) is issuing a Request for Quotation (RFQ 026EJ010) to procure a large quantity of CCTV cameras…
- J--Lab Support Equipment Calibration Services
The Environmental Protection Agency is seeking a vendor to provide calibration services for laboratory support equipment. The contractor…
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- Amendment 2: TruLink Portable Transceiver
The United States Space Force is seeking quotations for 51 brand‑name TruLink Portable Transceivers to replace aging equipment at Peterson…
- FY26 USAFA DF/DFT Projectors and Soundbars
The United States Air Force Academy is seeking a firm‑fixed‑price vendor to supply, install, and commission 285 Epson BrightLink 1485Fi…
- J065 - UPS Battery Replacements and Service
The Department of Veterans Affairs is seeking quotes for a multi‑year (up to 5 years) contract to provide UPS (Uninterruptible Power Supply)…
- ROCR - FOUNTAIN REPAIR AND MAINTENANCE
The National Park Service (Rock Creek Park) is seeking a small‑business‑only firm to provide comprehensive maintenance and repair services…
- Brand Name Nikon Microscope and Camera
The U.S. Geological Survey (USGS) Geosciences and Environmental Change Science Center in Denver, CO is soliciting quotations for a…
- ELEMENT XR SERVICE CONTRACT
The U.S. Geological Survey (USGS) is seeking a firm‑fixed‑price contractor to provide annual service, repair, and parts replacement for a…
- BEAD BEATER
The U.S. Geological Survey National Wildlife Health Center is seeking quotations for a single Omni Bead Ruptor Elite laboratory homogenizer…
- SERVICE CONTRACT FOR MASS SPECTROMETER
The U.S. Geological Survey’s Denver Isotope Laser Laboratory requires a one‑year service contract to maintain, repair, and provide technical…
- 50 CES Safety-Fire Extinguisher Training Trailer Combo
The United States Space Force, through Schriever SFB Fire & Emergency Services, is seeking a contractor to design, fabricate, deliver, and…
- 3 CTS Training Systems
The United States Space Force’s 3rd Combat Training Squadron (3 CTS) seeks a commercial‑off‑the‑shelf antenna system (Airbus DS Ranger 2400…
- J--Maintenance Service Contract for SeqStudio Flex 24
The U.S. Geological Survey (USGS) is seeking a maintenance service contract for the SeqStudio Flex 24 capillary genetic analyzer. The…
- High Wind Alert System Refresh
The United States Air Force Academy is seeking a firm‑fixed‑price quote to purchase, install, and refresh a high‑wind alert system for the…
- PUBLIC WORKS – ENGINEERING CONSULTANT SHORT LIST 2027-2028
- J--LAB FUME HOOD FILTER & SENSOR REPAIR
The U.S. Geological Survey is seeking a qualified contractor to perform maintenance and repair of four laboratory fume hoods at the GLSC…
- MX SERVICES FOR INSTRUMENTS
The U.S. Geological Survey National Water Quality Laboratory (NWQL) in Denver, CO seeks a qualified contractor to provide full‑service…
- J--Maintenance Service Agreement for PE NEXION 2000B
The U.S. Geological Survey seeks a qualified vendor to provide a three‑year Maintenance Service Agreement for a PE NEXION 2000B Inductively…
- J041--Maintenance Services for Chiller for the VA Salt Lake City, Utah Medical Center
The Department of Veterans Affairs (VA) Salt Lake City Health Care System is seeking a qualified contractor to provide comprehensive…
- Inspect & Test the Electrical Power Distribution System
The Department of Veterans Affairs (VHA) is conducting a market‑research Sources Sought to identify qualified electrical contractors capable…
- CONTAINMENT EQUIPMENT SERVICES
The U.S. Geological Survey’s National Wildlife Health Center (NWHC) in Madison, WI requires a qualified contractor to perform annual…
- AMPLICON SEQUENCING SERVICES
The U.S. Geological Survey (USGS) is establishing a five‑year Blanket Purchase Agreement (BPA) to procure amplicon sequencing services for…
- CCTV CONDITION ASSESSMENT FOR LARGE-DIAMETER STORMWATER INFRASTRUCTURE
The City of Englewood Utilities Department is seeking a qualified contractor to perform comprehensive CCTV inspections, NASSCO PACP…
- J039--Material Handling Equipment Maintenance Services for the VA Grand Junction CO
The Department of Veterans Affairs is seeking a qualified contractor to provide comprehensive material handling equipment (MHE) maintenance…
- J--HAULOUT OF THE R/V STURGEON
The U.S. Geological Survey (USGS) seeks a contractor to perform the haulout of the research vessel R/V Sturgeon and to conduct the vessel’s…
- J066--Eye Laser & Cryostat Service Agreement POP: 9/1/2026-8/31/2031
The Department of Veterans Affairs (VA) is seeking a qualified contractor to provide comprehensive eye laser and cryostat maintenance…
- J--Incinerator assessment and repairs
The U.S. Geological Survey is conducting market research to identify firms capable of repairing and maintaining two natural‑gas‑fired…
- Onsite Calibration of Equipment
This solicitation seeks qualified firms to provide onsite calibration services for test, measurement, and diagnostic equipment used by the…
- USSC Bayfield CCTVs
The United States Space Force is seeking a small‑business vendor to provide, deliver, and install a complete CCTV system for the Bayfield…
- 4ID Structural Analysis of Commo Hill Tower
The U.S. Army seeks a qualified engineering firm to perform a full structural analysis of the existing communications tower on Como Hill at…
- Boiler Chemicals & Treatment SRVS FCF - Documented Quote
The Colorado Department of Corrections (CDOC) is seeking qualified vendors to provide boiler chemicals and treatment services for its…
- Elevator Maintenance Services
The State of Colorado is seeking qualified firms to provide comprehensive elevator maintenance services for its statewide conveyance fleet…
- J059--UPS Battery Replacements and Service Waco, Texas
The Department of Veterans Affairs is seeking qualified Service‑Disabled Veteran‑Owned Small Businesses (SDVOSBs) to provide comprehensive…
- UCB000399-GOLD-Replace Constant Temperature Cooling System
The solicitation calls for the removal, replacement, and commissioning of a constant‑temperature cooling system. The scope likely includes…
- Small & Medium Bldg. Energy Efficiency & Decarb Initiative
The State of Colorado’s Energy Office is seeking a qualified firm to pilot and evaluate technical‑assistance services for 20‑30 small‑ and…
- H--Onsite Calibration of Equipment
This solicitation originally called for on‑site calibration of test, measurement, and diagnostic equipment for Western Area Power…
- J059--Uninterrupted Power Supply (UPS) Maintenance Support Services at the VHA-MS Topeka and VHA-MSCC Fort Riley KS
The Veterans Health Administration (VHA) is conducting a market research (Sources Sought) to identify qualified contractors capable of…
- R-- AGILENT MAINTENANCE
The U.S. Geological Survey’s National Water Quality Laboratory in Lakewood, CO is conducting a market survey (Sources Sought) to identify…
- Brand Name or Equal to Leica BLK360 Imaging Laser
The U.S. Geological Survey (USGS) is seeking a Brand Name or Equal to Leica BLK360 Imaging Laser Scanner for high accuracy 3D data…
- J--Sources Sought For Replacement of Failed Compressor Components
The U.S. Geological Survey is conducting market research to identify firms capable of replacing failed high‑pressure air pumps and check…
- Jefferson County Colorado STRUCTURAL INSPECTION and DESIGN SERVICES
- Engineering Services for New Midtown Substation
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Recently awarded
Update to Transportation engineering design standards Manual And Grand Junction Municipal Code Title 21 Professional Engineering Services Consultant for Phase 2 Wastewater Treatment Plant Expansion Architectural and Structural Engineering Consultant Design Services for MRF RFQ: 2022 Transportation and Mobility Professional Services On-Call Multisource District Thermal Energy Design Study RFQ: HSIP FY25 11th & Quebec Intersection Improvements RFQ: Category On-Call Professional Services RFQ: Advanced Mobility / On-Call Traffic Engineering/Operations RFQ: On-Call Flow Data and Hydraulic Modeling Support RFQ: Specialty On-Call Professional Engineering Services