The Specialty Trade Contractors subsector comprises establishments whose primary activity is performing specific activities (e.g., pouring concrete, site preparation, plumbing, painting, and electrical work) involved in building construction or other activities that are similar for all types of construction, but that are not responsible for the entire project. The work performed may include new work, additions, alterations, maintenance, and repairs. The production work performed by establishments in this subsector is usually subcontracted from establishments of the general contractor type or for-sale builders, but especially in remodeling and repair construction, work also may be done directly for the owner of the property. Specialty trade contractors usually perform most of their work at the construction site, although they may have shops where they perform prefabrication and other work. Establishments primarily engaged in preparing sites for new construction are also included in this subsector. There are substantial differences in types of equipment, work force skills, and other inputs required by specialty trade contractors. Establishments in this subsector are classified based on the underlying production function for the specialty trade in which they specialize. Throughout the Specialty Trade Contractors subsector, establishments commonly provide both the parts and labor required to complete work. For example, electrical contractors supply the current-carrying and noncurrent-carrying wiring devices that are required to install a circuit. Plumbing, heating, and air-conditioning contractors also supply the parts required to complete a contract. Establishments that specialize in activities primarily related to heavy and civil engineering construction that are not normally performed on buildings, such as the painting of lines on highways are classified in Subsector 237, Heavy and Civil Engineering Construction. Establishments that are primarily engaged in selling construction materials are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade, based on the characteristics of the selling unit.
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| Maryland - US | Agency | Bid Type | Due Date | As PDF |
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Northside Park Lobby Floor Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 15, 2026 |
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Door Hardware Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 06, 2026 |
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Door and Window Parts and Installation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 20, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 21, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 22, 2026 |
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Electrical System Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Sep. 20, 2026 |
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Corporate: MWWTP Effluent FM Surge & Transient DB - Electrical Contractors
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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Emergency Generator Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 05, 2027 |
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Solar PV System Inspection and Maintenance
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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Corporate: AutoZone Store# 6793 Gaithersburg, MD - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Lighting Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 07, 2026 |
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On-Call Electrical Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 14, 2026 |
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Electrical Distribution System Maintenance
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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Generator Preventive Maintenance & Cellular Monitoring System
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Oct. 02, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Oct. 01, 2026 |
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Solar Equipment Operations and Maintenance Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Elevator Maintenance Service
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Elevator Maintenance and Inspections
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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Elevator Renovation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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Elevator & Lift Maintenance Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Correctional Institution - Gate Repair
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 15, 2026 |
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Corporate: MWWTP Effluent FM Surge & Transient DB - Welding & Cutting Contractors
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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Corporate: AutoZone Store# 6793 Gaithersburg, MD - Structural Steel
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Barrister Court - Painting of Common Areas and 16 Apartments
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 26, 2026 |
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Corporate: AutoZone Store# 6793 Gaithersburg, MD - Painting
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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On-Call Painting Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 14, 2026 |
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Corporate: MWWTP Effluent FM Surge & Transient DB - Plumbing Fixtures & Supplies
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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Metro Charles Center Dewatering Discharge Pipe Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 23, 2026 |
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Corporate: AutoZone Store# 6793 Gaithersburg, MD - Fire Sprinkler
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Corporate: AutoZone Store# 6793 Gaithersburg, MD - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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On-Call Plumbing Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Replacement of Water Heaters
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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On-Call Mechanical Services - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 14, 2026 |
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Water Distribution Improvements Phase II
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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1456 Lead Pipe Inspection and Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Water Treatment Plant pH Control System Upgrade
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 30, 2026 |
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Plumbing Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 22, 2026 |
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Residential Plumbers
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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Roof Replacement Contractor Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Corporate: AutoZone Store# 6793 Gaithersburg, MD - Membrane Roofing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Roof Replacement at Northern Building
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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| Massachusetts - US | Agency | Bid Type | Due Date | As PDF |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 30, 2026 |
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WATER TREATMENT PLANT REPLACEMENT - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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HVAC Upgrades to the Elevator Machine Rooms
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 21, 2026 |
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Fire Department Rooftop Unit Replacements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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