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This industry group comprises establishments primarily engaged in installing or servicing equipment that forms part of a building mechanical system (e.g., electricity, water, heating, and cooling). The work performed may include new work, additions, alterations, maintenance, and repairs. Contractors installing specialized building equipment, such as elevators, escalators, service station equipment, and central vacuum cleaning systems are also included.

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Showing 1301–1350 of 2509 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Mississippi - US Due Date
Library Chiller Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
HVAC Air Handler Maintenance and Filter Servicing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
Admin Building HVAC Upgrade 2nd and 3rd floors
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 23, 2026
Wireless Network Infrastructure Upgrade
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
WEST MARION HIGH SCHOOL BASEBALL FIELD SPORTS LIGHTING IMPROVEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Street Lighting
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
Agri Education Center Standby Generator
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Intra District Circuit
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Feb. 16, 2026
GENERATOR SERVICE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
E-Rate Fiber Cabling Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Feb. 10, 2026
REPLACEMENT OF WATER METERS PROJECT \u2013 AMI METER PARTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 23, 2026
 
 
Missouri - US Due Date
Research Reactor - Installed Exhaust Ductwork Reconfiguration
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 29, 2026
Memorial Student Union - Rooftop Duct Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 16, 2026
HVAC Improvements for Infection Control
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
657-26-110JB - Upgrade Boiler Safety Valves , STL
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
J.A.ROGERS WALK-IN
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
West Middle RTU Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
Kickapoo High School HVAC Upgrades - Phase 01
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
As-Needed Mechanical Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Wyeth Tootle Mansion Lift
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 23, 2026
Terminal HVAC & Plumbing Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 27, 2026
Replace Locking System
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Feb. 03, 2026
Rolla Suites N & S Fire Alarm Upgrade
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
Miner Village Fire Alarm Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
Steel Radio Towers
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 24, 2025
Cabling Upgrades
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Downtown Corridor Communication System Upgrades
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 19, 2026
Storm Warning Siren Preventative Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Refinishing Staffacher Art Wing Floors
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Water's Edge and Golf Club Door Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Exterior Door Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Overhead Door Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
HEALTH DEPARTMENT OFFICE FLOORING
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
Maintenance Garage Overhead Doors Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 12, 2026
Lewis and Clark Halls - Electrical Service Panel Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 13, 2026
Service and Add Electrical Circuits to Emergency Generator
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 29, 2026
Elevator Maintenance and Repair
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
 
 
Nebraska - US Due Date
CRAC Maintenance and Repair Service Offutt AFB
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 29, 2025
SACN FIRE SYSTEM INSPECTIONS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 26, 2025
CRAC Maintenance and Repair Service Offutt AFB
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 29, 2025
CRAC Maintenance and Repair Service Offutt AFB
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 29, 2025
Unit 2 Freight Elevator Modernization (Gerald Gentleman Station)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Feb. 03, 2026
 
 
Nevada - US Due Date
Replace Low Temp Hot Water Lines between Lombardi Recreation Center and Joe Crowley Student Union
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Construct HVAC at Juniper Hall Rooms
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Air Filter Replacement Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 28, 2026
Life Safety, Security, and Lighting Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 28, 2026
Power Management and Power Quality Improvement Solution
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Replace Emergency Generator
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Idlewild Park Ball Field Light Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
Electrical Transformer Replacement, Office of the Adjutant General
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026

Showing 1301–1350 of 2509 bids that are currently: Active.