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NAICS Code· 238990

NAICS 238990: All Other Specialty Trade Contractors

This industry comprises establishments primarily engaged in specialized trades (except foundation, structure, and building exterior contractors; building equipment contractors; building finishing contractors; and site preparation contractors). The specialty trade work performed includes new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Billboard erection Outdoor swimming pool construction Paver, brick (e.g., driveway, patio, sidewalk), installation Crane rental with operator Paving, residential and commercial driveway and parking lot Sandblasting building exteriors Fence installation Scaffold erecting and dismantling Interlocking brick and block installation Steeplejack work Manufactured (mobile) home set up and tie-down work Driveway paving or sealing Cross-References. Establishments primarily engaged in--Show more

NAICS 238990 – All Other Specialty Trade Contractors encompasses a broad array of specialized construction services not classified elsewhere, including but not limited to site preparation, demolition, insulation, glazing, flooring, roofing, seismic retrofitting, and other niche trade activities performed by subcontractors on federal infrastructure projects. These contractors operate at the intersection of skilled labor and project-specific technical requirements, often supporting larger general contractors or directly under federal agencies on mission-critical facilities.

4.0K
Active Contracts
$478.4M
Total Obligations (12mo)
1.1K
Awarded Contracts (12mo)
544
Contractors Awarded (12mo)
2
Median Bidders per Award
-3.1%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 238990 — All Other Specialty Trade Contractors.

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NAICS 238990 FAQ

Frequently Asked Questions

NAICS code 238990 covers All Other Specialty Trade Contractors. This industry comprises establishments primarily engaged in specialized trades (except foundation, structure, and building exterior contractors; building equipment contractors; building finishing contractors; and site preparation contractors). The specialty trade work performed includes new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Billboard erection Outdoor swimming pool construction Paver, brick (e.g., driveway, patio, sidewalk), installation Crane rental with operator Paving, residential and commercial driveway and parking lot Sandblasting building exteriors Fence installation Scaffold erecting and dismantling Interlocking brick and block installation Steeplejack work Manufactured (mobile) home set up and tie-down work Driveway paving or sealing Cross-References. Establishments primarily engaged in--

Recently Posted in All Other Specialty Trade Contractors

NAICS: 238990
New
SLED
Pavement Striping and Signage
Corpus Christi District

POSTED

in 9 months

DEADLINE

N/A
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NAICS: 238990
New
SLED
Drainage Structure Installation
Corpus Christi District

POSTED

in 9 months

DEADLINE

N/A
View Details
NAICS: 238990
New
SLED
Guardrail and Safety Barrier Installation
Corpus Christi District

POSTED

in 9 months

DEADLINE

N/A
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NAICS: 238990
New
SLED
Temporary Access Equipment and Rigging Support
Bridge Division

POSTED

in 6 months

DEADLINE

N/A
View Details
NAICS: 238990
New
SLED
Field Sampling and Inspection Services
Materials and Tests Division

POSTED

in 6 months

DEADLINE

N/A
View Details
NAICS: 238990
New
SLED
Asphalt Material Sampling and Field Testing Services
Materials and Tests Division

POSTED

in 3 months

DEADLINE

N/A
View Details
NAICS: 238990
New
SLED
Clearing, Grubbing & ExcavationThe contract involves site preparation activities for bridge structures, specifically clearing, grubbing, and excavation work within District 5 under the Massachusetts Department of Transportation. The scope requires complete vegetation removal and earthwork to prepare the ground for construction, ensuring the site meets engineering and safety standards for subsequent bridge development. All work must be performed in accordance with state transportation regulations and industry best practices for environmental and structural integrity. This is a subcontract opportunity with a NAICS code of 238990, indicating it falls under other heavy and civil engineering construction services. The solicitation was posted and is due on October 30, 2026, with no set-aside provisions specified. Performance will occur in District 5, and the contract is accessible via the Massachusetts Department of Transportation’s procurement portal for qualified subcontractors seeking to bid on the work.
Massachusetts Department of Transportation

POSTED

in about 2 months

DEADLINE

in about 2 months
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NAICS: 238990
New
SLED
Dewatering ServicesThe contract establishes a subcontract for the installation and operation of dewatering systems at excavation sites within Harrison County, West Virginia, under the oversight of the West Virginia Department of Transportation. The work is classified under NAICS code 238990, indicating it falls under other specialty trade contractors, specifically targeting the management of groundwater and surface water during construction activities. The contract was posted on October 20, 2026, with the same date set as the deadline for response, suggesting a streamlined or immediate procurement timeline. Performance is limited to the designated location in Harrison, requiring the contractor to deploy appropriate equipment, personnel, and monitoring protocols to ensure continuous and compliant dewatering operations. No set-aside provisions or specific organization type restrictions are indicated, allowing eligible subcontractors to bid without demographic or size-based limitations. The absence of detailed point of contact information and address details implies that full procedural guidelines may be available through the provided UI link, and bidders are expected to refer to that source for additional requirements.
WVDOT

POSTED

in about 2 months

DEADLINE

in about 2 months
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NAICS: 238990
New
SLED
Type 1 Guardrail Installation (Class V)The contract involves the installation of a high-containment Type 1 Guardrail, Class V, designed for high-risk areas to enhance safety and mitigate impact hazards. This subcontract is issued by the West Virginia Department of Transportation under the NAICS code 238990 for other heavy and civil engineering construction, and the work is specifically targeted for performance in Harrison, West Virginia. The solicitation was posted on October 20, 2026, with the same date set as the response deadline, indicating an immediate or expedited procurement timeline. All work must comply with stringent engineering and safety standards for Class V guardrail systems, ensuring maximum protection in critical locations. The contract does not specify set-aside conditions or agency point of contact details, and proposals must be submitted through the provided UI link to be considered.
WVDOT

POSTED

in about 2 months

DEADLINE

in about 2 months
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NAICS: 238990
New
SLED
Type 1 Guardrail Installation (Class I)The contract entails the installation of standard-strength Type 1 Guardrail, Class I, for roadside safety applications in Harrison, West Virginia. This subcontract is issued by the West Virginia Department of Transportation under NAICS code 238990, which encompasses other heavy and civil engineering construction services. The solicitation was posted on October 20, 2026, with a response deadline set for the same date and time, indicating a highly time-sensitive procurement process. Work is specifically required at a designated location in Harrison, though precise address details are not provided. The contract does not specify any set-aside provisions or organization type restrictions, and no point of contact information is included. Bidders must reference the official UI link for detailed submission instructions and associated documentation.
WVDOT

POSTED

in about 2 months

DEADLINE

in about 2 months
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NAICS: 238990
New
SLED
Maintenance of Traffic (MOT)The contract pertains to the Maintenance of Traffic (MOT) for a construction project in Baltimore, Maryland, requiring the planning and execution of temporary traffic control measures to ensure safe and uninterrupted access for the public throughout the duration of construction activities. The work involves designing, installing, and managing signage, barriers, lane shifts, and other traffic control devices in accordance with state and federal standards to minimize disruption and maintain safety for workers and motorists alike. This is a subcontract under NAICS code 238990, indicating it falls under other specialty trade contractors, and is issued by the Maryland Department of Transportation through its Maryland agency office. The solicitation was posted on October 7, 2026, with the same date set as the response deadline, suggesting a potential administrative or technical placeholder in the posting timeline. The place of performance is specifically in Baltimore, and while no point of contact or set-aside details are provided, the contract requires contractors to have the expertise and resources to implement compliant traffic control plans on active roadways. Bidders must be prepared to coordinate with local authorities, adhere to Maryland transportation regulations, and demonstrate experience in similar MOT executions. The proposal submission portal is accessible via the provided UI link for interested parties to view requirements and submit bids.
Maryland Department of Transportation

POSTED

in about 1 month

DEADLINE

in about 1 month
View Details
NAICS: 238990
New
SLED
Erosion and Sediment Control (ESC)The contract pertains to the installation and ongoing maintenance of erosion and sediment control measures under the Maryland Department of Transportation, specifically targeting activities in Baltimore. It focuses on implementing best management practices (BMPs), including the use of Super Silt Fence and other approved control systems to mitigate environmental impacts from construction or development activities. The work is structured as a subcontract and falls under the NAICS code 238990, which encompasses other heavy and civil engineering construction activities not elsewhere classified, indicating a specialized scope tied to environmental compliance and infrastructure protection. The solicitation is set to close on October 7, 2026, with performance expected to occur within Baltimore. While the precise terms of payment, duration, or performance metrics are not detailed here, the contract demands adherence to regulatory standards for sediment control and environmental stewardship. Contractors must be prepared to execute and sustain these measures over time, ensuring compliance with state and federal environmental protections. The absence of a set-aside designation suggests the opportunity is open to all qualified subcontractors, and the provided link offers access to further submission requirements and evaluation criteria.
Maryland Department of Transportation

POSTED

in about 1 month

DEADLINE

in about 1 month
View Details

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