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NAICS Code· 238910

Site Preparation Contractors

This industry comprises establishments primarily engaged in site preparation activities, such as excavating and grading, demolition of buildings and other structures, and septic system installation. Earthmoving and land clearing for all types of sites (e.g., building, nonbuilding, mining) is included in this industry. Establishments primarily engaged in construction equipment rental with operator (except cranes) are also included. Illustrative Examples: Blasting, building demolition Building interior gutting and stripping Concrete breaking and cutting for demolition Cutting new rights of way Demolition, building and structure Exterior demolition contractors Foundation digging (i.e., excavation) Foundation drilling contractors Grading construction sites Interior demolition contractors Dewatering contractors Dirt moving for construction Equipment rental (except crane), construction, with operator Excavating, earthmoving, or land clearing contractors Line slashing or cutting (except maintenance) Septic system contractors Trenching (except underwater) Underground tank (except hazardous) removal Wrecking, building or other structure Whole building deconstruction Cross-References. Establishments primarily engaged in--Show more

NAICS 238910 – Site Preparation Contractors encompasses specialized earthmoving, grading, clearing, and site development services essential to federal infrastructure and facility construction projects. This sector includes excavation, topsoil removal, drainage installation, compaction, blasting, and utility trenching—all critical precursors to building construction, roadways, airfields, and energy infrastructure.

394
Active Contracts
$213.1M
Total Obligations (12mo)
372
Awarded Contracts (12mo)
303
Contractors Awarded (12mo)
-18.3%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 238910.

AI Industry Description

NAICS 238910 – Site Preparation Contractors encompasses specialized earthmoving, grading, clearing, and site development services essential to federal infrastructure and facility construction projects. This sector includes excavation, topsoil removal, drainage installation, compaction, blasting, and...

NAICS 238910 – Site Preparation Contractors encompasses specialized earthmoving, grading, clearing, and site development services essential to federal infrastructure and facility construction projects. This sector includes excavation, topsoil removal, drainage installation, compaction, blasting, and utility trenching—all critical precursors to building construction, roadways, airfields, and energy infrastructure. Contractors in this space operate at the foundational layer of the built environment, often working under prime general contractors or directly for federal agencies to enable subsequent phases of construction. Their work is governed by strict environmental compliance standards, geotechnical specifications, and erosion control protocols, making technical expertise and regulatory adherence key differentiators in the federal marketplace. Top contractors in this space include MAVERICK CONSTRUCTORS, LLC, ASPEN CONSTRUCTION COMPANY, AAECON GENERAL CONTRACTING LLC, C-A NATIVE CONSTRUCTORS INC, and BHPE LLC, among others. The competitive landscape is dominated by mid-sized firms and small businesses, including Native-owned and veteran-owned entities, with strong capabilities in heavy civil earthwork and environmental site remediation. Many firms specialize in mobilizing rapidly to remote or sensitive sites, leveraging specialized equipment and permitting expertise to meet tight federal timelines. Primary federal buyers include the Department of Defense, Department of Transportation, Department of the Interior, and Department of Energy, with additional demand from NASA, the Department of Veterans Affairs, and the Department of Homeland Security. These agencies require site preparation for military base upgrades, wildfire resilience projects, national park infrastructure, energy transmission corridors, and veteran facility expansions—often in ecologically sensitive or geographically challenging terrains. The market is characterized by high entry barriers due to equipment costs, permitting complexity, and safety compliance requirements, but offers consistent opportunity density across defense, transportation, and environmental resilience programs. Contractors with proven experience in federal environmental regulations, subsurface utility coordination, and sustainable grading practices are best positioned to compete effectively.

Top Contractors

Companies with the highest total award value under NAICS 238910, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
CLARK CONSTRUCTION GROUP LLC$33.7M1
NUMUNU MARTINEZ JV, LLC$7.2M1
NUMUNU MARTINEZ JV, LLC Lawton OK 73501 USA$7.2M1
BLUE TRIDENT, LLC 900 WINSLOW WAY E STE 130 BAINBRIDGE ISLAND 98110 USA$7.0M1
BHATE ENVIRONMENTAL ASSOCIATES, INC.$6.4M3
SKE SUPPORT SERVICES GMBH$6.3M1
DEFENDERCO LLC$6.1M1
COPPER CREEK, LLC$6.0M1
THE BLACKLEDGE GROUP, INC.$5.6M1
BRICE INTEGRATED LLC$4.9M1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 238910.

Department Of Defense155 awards$89.1M
General Services Administration1 award$33.7M
Department Of Veterans Affairs14 awards$20.5M
Department Of The Interior71 awards$10.3M
Department Of Agriculture29 awards$8.6M
NASA Kennedy Space Center1 award$7.2M
National Aeronautics And Space Administration1 award$7.2M
FA2823 Aftc Pzio1 award$7.0M
Office Of Construction & Facilities Management (36C10F)1 award$3.7M
Navfacsyscom Southeast1 award$3.2M

Related NAICS Codes

Industries similar to Site Preparation Contractors, by shared sector, subsector, and industry group.

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238120Same SubsectorMedium Similarity

Framing Contractors

This industry comprises establishments primarily engaged in structural framing and sheathing using m...
238130Same SubsectorMedium Similarity

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238140Same SubsectorMedium Similarity

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This industry comprises establishments primarily engaged in installing glass panes in prepared openi...
238150Same SubsectorMedium Similarity

Roofing Contractors

This industry comprises establishments primarily engaged in roofing. This industry also includes es...
238160Same SubsectorMedium Similarity

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This industry comprises establishments primarily engaged in installing siding of wood, aluminum, vin...
238170Same SubsectorMedium Similarity

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NAICS 238910 FAQ

Frequently Asked Questions

NAICS code 238910 covers Site Preparation Contractors. This industry comprises establishments primarily engaged in site preparation activities, such as excavating and grading, demolition of buildings and other structures, and septic system installation. Earthmoving and land clearing for all types of sites (e.g., building, nonbuilding, mining) is included in this industry. Establishments primarily engaged in construction equipment rental with operator (except cranes) are also included. Illustrative Examples: Blasting, building demolition Building interior gutting and stripping Concrete breaking and cutting for demolition Cutting new rights of way Demolition, building and structure Exterior demolition contractors Foundation digging (i.e., excavation) Foundation drilling contractors Grading construction sites Interior demolition contractors Dewatering contractors Dirt moving for construction Equipment rental (except crane), construction, with operator Excavating, earthmoving, or land clearing contractors Line slashing or cutting (except maintenance) Septic system contractors Trenching (except underwater) Underground tank (except hazardous) removal Wrecking, building or other structure Whole building deconstruction Cross-References. Establishments primarily engaged in--

Recently Posted in Site Preparation Contractors

NAICS: 238910
Awarded
Federal
N40084 BUILDING 90 DEMOLITION AT COMBINED ARMS TRAINING CENTER, CAMP FUJI, JAPANThe contract involves the complete demolition, removal, and disposal of Building 90 and associated structures at the Combined Arms Training Center, Camp Fuji, Japan, under a firm-fixed-price solicitation issued by NAVFACSYSCOM Far East. The contractor is responsible for furnishing all labor, supervision, management, tools, materials, equipment, facilities, transportation, and incidental engineering required to dismantle all building components including interior and exterior finishes, roofing, foundation, structural elements, tanks, pipelines, and all building systems such as HVAC, fire protection, boilers (excluding central utility plant boilers), unfired pressure vessels, compressed air systems, potable and wastewater systems, electrical systems, lightning arrestors, grounding devices, cathodic protection systems, grease traps, exhaust hoods, roll-up doors, and ventilation systems. Additional scope includes hazardous material abatement for asbestos and lead, isolation and termination of all utilities serving the building, backfilling with clean fill, and grading with topsoil to restore the site. The work must comply with EM 385-1-1 safety standards, NIST SP 800-171 cybersecurity requirements, and applicable DFARS and FAR provisions, including strict adherence to MIL-STD-129 for marking and Hazard Communication Standard for hazardous materials. All bids must be submitted in Japanese Yen, with administrative pricing in U.S. Dollars, and performance is limited to 270 calendar days from award date. The solicitation, designated as N4008426B8910 and using Standard Form 33, is a sealed bid offering under NAICS code 238910 with a DPAS rating of DO-C9, and award will be made to the lowest responsive and responsible bidder based solely on price. The contractor must be registered in the System for Award Management (SAM), duly authorized to operate in Japan under DFARS 252.225-7042, and hold all required licenses and certifications specified in the contract documents. Cybersecurity compliance mandates a current CMMC Level 1 (Self) or higher status for systems handling Federal Contract Information or Controlled Unclassified Information, with requirements flowed down to subcontractors and annual affirmations submitted via the Supplier Performance Risk System. Invoicing must be submitted monthly via Wide Area WorkFlow using NAVFAC Form 7300/30, with payment processed only after verification of satisfactorily completed work. All correspondence must be in English, and
Navfacsyscom Far East

POSTED

about 12 hours ago

DEADLINE

N/A
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NAICS: 238910
New
Federal
Demolish Building 7, Woodward, OklahomaThe U.S. Department of Agriculture Agricultural Research Service is soliciting quotes for the complete demolition of Building 7, a two-story greenhouse structure with a basement located at 2000 18th Street, Woodward, Oklahoma, under solicitation number 1232SA26Q0811. This is a combined synopsis and solicitation for commercial items issued under FAR Part 12 as a Total Small Business Set-Aside, restricted to small business concerns meeting the NAICS code 238910 with a size standard of $16.5 million. The project involves the removal of all structural, mechanical, electrical, and plumbing components from the building, followed by rough grading of the site to achieve a stable condition. Key requirements include compliance with the Woodward Building 7 HazMat Report for hazardous material handling, adherence to National Register documentation standards for historical photography as mandated by the Oklahoma State Historic Preservation Office, and strict observance of OSHA and NFPA safety codes. All offerors are required to attend a mandatory site visit and submit a comprehensive technical proposal that includes demonstrated experience with similar demolition projects, two relevant construction references, and a detailed cost proposal presented in a Schedule of Values format. The acquisition follows a Lowest Price Technically Acceptable evaluation methodology, where only the lowest-priced offer meeting technical acceptability will be considered for award. The work must commence within ten calendar days of receiving a notice to proceed and be fully completed—including final site cleanup—within 270 calendar days. Contractual obligations include submission of a site-specific safety plan approved in writing by the Contracting Officer before any work begins, continuous daily reporting of inspection records, designation of a Site Safety and Health Officer present on-site at all times, and compliance with prevailing wage rates per the attached Wage Determination. Offerors must be registered in SAM, submit a fully executed SF 24 Bid Bond, and agree to hold prices firm for 90 days. All proposals must be emailed to erin.riffey@usda.gov with the subject line “RFQ1232SA26Q0811” by the deadline of July 20, 2026, at 6:00 p.m., and must include a transmittal letter with the Unique Entity ID and current point of contact information. Payment will be processed through the USDA ARS Acquisition and Property Division in Beltsville, Maryland, with invoices required in four copies and subject to electronic fund transfer or third
USDA Ars Afm Apd

POSTED

about 12 hours ago

DEADLINE

in 6 days
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NAICS: 238910
New
Federal
Audiology Booth RemovalThe Contract titled Audiology Booth Removal under solicitation number 36C25726Q0753 is a Service-Disabled Veteran-Owned Small Business Set Aside opportunity issued by the Department of Veterans Affairs through the 257-NETWORK Contract Office 17 in San Antonio, Texas. The contractor is required to deinstall, remove, and properly dispose of an audio booth at Fort Bliss, Texas, with all work performed in accordance with the Statement of Work. The solicitation was posted on July 10, 2026, and responses must be submitted by July 22, 2026, at 6:00 PM. The North American Industry Classification System code is 238910, indicating the work falls under Other Building Finishing Contractors. The primary point of contact for inquiries is Melanie Williams, reachable via email or phone at the provided contact details. All work must be performed at the designated location in Fort Bliss, Texas, with the contractor responsible for compliance with all disposal regulations and site-specific requirements.
257-NETWORK Contract Office 17 (36C257)

POSTED

about 12 hours ago

DEADLINE

in 8 days
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NAICS: 238910
New
SLED
Abatement of Public Nuisance Conditions at 2100 Pullen Street - Restrictive BidThis restricted bid solicitation, numbered 26-0006, is issued by the City of Richland for the abatement of public nuisance conditions at 2100 Pullen Street in Richland, Washington, under the authority of RCW 35.22.620 and the Small Works Roster program. Only contractors who are actively listed on the MRSC Small Works Roster in the category of Civil > Demolition and Deconstruction > General and who have received a direct invitation from the City’s Purchasing Division are eligible to submit bids. Work involves the removal and disposal of junk vehicles, trailers, boats, ATVs, debris, and other nuisance materials in compliance with Richland Municipal Code sections 10.04, 10.06, and 11.33, including proper handling of hazardous substances such as fuel, oil, and batteries. The project has a not-to-exceed budget of $200,000 and must be completed within ten working days after receipt of a formal Notice to Proceed, with no permits required. Bidders must submit quotes through the Public Purchase website using the City’s designated form, with all submissions required to include completed bid documents, the Bidder’s Qualification Certificate, and a detailed proposal outlining pricing for line items including mobilization, road closure, disposal per ton, and demobilization. Contractors must meet stringent insurance requirements, including commercial general liability coverage of at least $2 million per occurrence with no exclusions for explosion, collapse, or underground damage, automobile liability as primary coverage for the City with a minimum $1 million combined single limit, and stop gap/employer’s liability coverage of at least $1 million. Workers’ compensation must comply with Washington State law, and all policies must list the City, its officers, officials, employees, and volunteers as additional insureds. Bonding is mandated in the form of payment and performance bonds issued by a Washington-authorized insurer, with retainage required. Prevailing wage rates under Chapter 39.12 RCW apply to all work performed in Benton County, and contractors must submit an Affidavit of Title VI Compliance to affirm adherence to federal nondiscrimination regulations. Contractors must hold a current Washington UBI number, be registered with the State Department of Labor & Industries, have an employment security department number, and be in good standing with all state tax and wage payment obligations. The City will not accept bids submitted by any means other than through the Public
City of Richland

POSTED

1 day ago

DEADLINE

in 2 days
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NAICS: 238910
New
SLED
Addendum 2 - RFQ DRLBA-07082026-04 3298 Blanton DriveThe solicitation for demolition and site restoration services at 3298 Blanton Drive in Scottdale, Georgia, has been amended to adjust the mandatory pre-site visit time from 3:00 p.m. to 2:00 p.m. on Thursday, July 16, 2026, with all other terms and conditions of the original request for quotation remaining unchanged. The revised deadline for responses is July 28, 2026, at 10:00 p.m., and the solicitation is managed by the Dekalb Regional Land Bank Authority under the state of Georgia with the solicitation number PE-33213-NONST-2026-000000009. Primary contact for inquiries is Shirley Chaney, reachable by phone at 404-371-2041 or email at schaney@drlba.org, and further details can be accessed via the official procurement portal linked in the documentation.
Dekalb Regional Land Bank Authority

POSTED

1 day ago

DEADLINE

in 14 days
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NAICS: 238910
Closed
SLED
Penberthy Artificial Turf ReplacementThe contract solicitation for the Penberthy Artificial Turf Replacement, issued by Texas A&M University through SSC Services under solicitation number SSC_2025-06734_2, seeks qualified contractors to replace artificial turf at the Penberthy Recreational Sports Complex located at 1556 College Station, TX. The project is scheduled for performance between May 17, 2027, and August 11, 2027, with a NAICS code of 238910 indicating specialized trade contracting. Proposals must be submitted by July 14, 2026, at 2:00 PM, either by mail or hand delivery to SSC Service Solutions at 600 Agronomy Road, Suite 218, College Station, TX 77843, with a public proposal opening scheduled for the same day at 2:30 PM, available both in person and virtually via Microsoft Teams. All required RFP and construction documents are accessible exclusively through the Trimble Unity Construct Bid Package portal at the specified external link, and no solicitation materials are hosted on the state’s Electronic State Business Daily platform beyond the notice. Inquiries about the submission process should be directed to SSC Project Manager Clint Cooper. A Historically Underutilized Business (HUB) Subcontracting Plan is required, and contractors must submit monthly HUB Progress Assessment Reports with each pay application. The project is managed by PBK Architects, Inc., with Hea Garza as the A/E contact, and Patty Winkler as the HUB point of contact for Texas A&M University. A pre-proposal meeting was held on June 16, 2026, and while the evaluation criteria, detailed specifications, inspection procedures, and contract pricing are not included in the posted documentation, they are expected to be contained within the external RFP package. Contract administration and invoicing details remain unspecified in the available information.
Texas A&M University

POSTED

1 day ago

CLOSED

about 4 hours ago
View Details
NAICS: 238910
New
SLED
Structural Demolition and Site Preparation
Cobb County Board of Education

POSTED

1 day ago

DEADLINE

in about 1 month
View Details
NAICS: 238910
New
SLED
Excavation and Site PreparationThe contract titled Excavation and Site Preparation seeks a subcontractor to perform clearing, grubbing, excavation, and grading services to ready a site for the installation of subsurface stormwater infrastructure. The work is necessary to ensure proper preparation of the ground before utility or drainage systems are embedded, requiring precise earthmoving and land shaping to meet engineering specifications. The solicitation was posted on July 13, 2026, with responses due by August 31, 2026, under the NAICS code 238910, which classifies it as other heavy and civil engineering construction activities. This subcontract is issued by the Vermont office of the Department of Economic Development, indicating the project supports public infrastructure development within the state. The place of performance and exact location details are unspecified, but the work is expected to occur within Vermont’s jurisdiction. No set-aside provisions are indicated, meaning the opportunity is open to all qualified contractors without special designation for small businesses or other categories. Interested parties must submit proposals via the provided online portal prior to the stated deadline.
Department of Economic Development

POSTED

1 day ago

DEADLINE

in 16 days
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NAICS: 238910
New
SLED
Demolition ServicesDemolition Services under solicitation RFP 745-26-P46 are being procured by UT Health San Antonio for an indefinite quantity, non-exclusive contract anticipated to last up to two years with the possibility of two additional one-year renewals or two successive two-year extensions, subject to written notice and necessary performance completion extensions. The work involves commercial demolition services on an as-needed basis across all University of Texas System institutions, requiring full provision of supervision, labor, equipment, tooling, and supplies to be performed safely, expeditiously, and in strict compliance with university-provided drawings, specifications, and project proposals. All proposals must be submitted electronically via Bonfire by 3:00 p.m. CST on August 7, 2026, with a mandatory subcontracting plan due simultaneously, and no pre-submittal conference or site visit is scheduled. Proposals are evaluated on a weighted basis: cost accounts for 50% of the score, followed by experience in higher education or healthcare demolition (20%), ability to perform (10%), staff qualifications (10%), and exceptions to contract terms (10%), with awards determined by the most advantageous offer considering service quality, total cost, and project management expertise. Participation is subject to pass/fail gates requiring compliance with laws governing Historically Underutilized Businesses and purchases from persons with disabilities, and proposers must disclose interested parties using Form 1295 while certifying adherence to federal equal employment opportunity, Texas safety standards, child support obligations, and foreign ownership restrictions under Chapter 2275 of the Texas Government Code. The successful contractor must maintain insurance coverage for the duration of the contract, naming the UT System and its entities as additional insureds on all policies except workers' compensation and employer's liability, which remain active until work is fully accepted. Evidence of insurance must be certified annually through a Texas Department of Insurance-approved form, and payment and performance bonds are required upon request. All personnel must hold OSHA 10-Hour and 30-Hour certifications, and contractors must submit summary resumes of key staff. Prior to accessing critical infrastructure, a current list of assigned personnel must be provided and updated regularly, with failure to cooperate in security reviews or provide accurate documentation leading to immediate termination and payment withholding. Invoicing occurs monthly with itemized details including names, rates, time expended, project completion percentage, and supporting progress assessment reports from the Comptroller’s website, adhering to Texas Prompt Payment Act terms
Ut Health San Antonio

POSTED

1 day ago

DEADLINE

in 24 days
View Details
NAICS: 238910
New
SLED
NC State UniversityNorth Carolina State University is seeking bids from prequalified contractors for the demolition of a council building under solicitation number 287-28152-PQB, which was posted on July 13, 2026, with a response deadline of August 12, 2026. The solicitation is managed by the UNC System Office Design/Construction under the state agency of North Carolina, with performance required within the state. Only contractors who have been prequalified are eligible to submit proposals, and all bids must be received by the specified deadline. The primary point of contact for inquiries is Cynthia Strader, and further details can be accessed through the official electronic procurement portal.
Unc - System Office Design/construction

POSTED

1 day ago

DEADLINE

in 29 days
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NAICS: 238910
New
SLED
Storm Drainage and Culvert InstallationThe contract titled Storm Drainage and Culvert Installation is a subcontract under NAICS code 238910 issued by the University of North Carolina at Chapel Hill through the North Carolina agency. It encompasses the full installation of storm drainage infrastructure including culverts, catch basins, and underground piping systems. The solicitation was posted on July 13, 2026, with a firm response deadline of July 23, 2026, at 6:00 PM. The place of performance and exact location details are not specified in the data provided, nor are there details on set-aside preferences or point of contact information. All proposals must be submitted through the official portal linked in the contract notice.
Unc - Chapel Hill

POSTED

1 day ago

DEADLINE

in 9 days
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NAICS: 238910
New
SLED
Hydraulic Dredging ServicesHydraulic sand dredging operations are to be conducted at Costley Mill Beach, encompassing the full scope of mobilizing specialized equipment, excavating and removing sediment, and transporting the material via pipeline to an approved disposal area. The work requires precise execution to ensure environmental compliance and operational efficiency throughout the project lifecycle. The contract is classified under NAICS code 238910 and is structured as a subcontract, with a response deadline of August 20, 2026, and was posted on July 13, 2026. Rockdale County Board of Commissioners in Georgia is the contracting entity, though specific details regarding the physical location, point of contact, or set-aside provisions are not provided. All performance and compliance obligations are tied to the site at Costley Mill Beach, and bidders must address logistical, technical, and regulatory requirements for dredging in this specific coastal environment.
Rockdale County Board of Commissioners

POSTED

1 day ago

DEADLINE

in about 1 month
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