samsearch
    Platform
    01InfluenceShape the requirement before it's on your competitor's radar.
    Signal
    Recompete window opens in 42 days
    Facilities maintenance IDIQ$8.4M
    Forecast
    Agency spend up 18% next FY
    DoD facilitiesQ3 window
    02CaptureFind and qualify the work across every market.
    Federal91%
    Network engineering support — GSA MAS
    GSA541512
    SLED88%
    Custodial services — Fairfax County Public Schools
    K-12561720
    DIBBS79%
    Aircraft hydraulic fitting — DLA Aviation
    DLANSN 5330
    03AnalyzeExtract requirements and build the compliance matrix.
    Compliance matrix
    L.2.1Technical approachVol I
    L.3.4Staffing planVol I
    M.1Past performanceEvaluated
    SOW breakdown
    Requirements extracted38
    Mapped to Section L/M38
    Every extractionCited
    Ask Sammy
    “Do we meet the small business set-aside?”
    04ManageRun the pursuit through to award.
    Pipeline
    QualifyFacilities support · USACE
    CaptureComms upgrade · DLA
    ProposalShipyard dredging · NAVSEA
    PriyaAlex
    This week
    Submit past performance refsThu
    Confirm subK teamingFri
    Upload SF 33Mon
    05RespondDraft and submit your response.
    Drafting · Volume I
    247 words
    RFI response
    CompanyAcme Robotics LLC
    UEIJK4M8…
    Capability narrativeDrafted
    06FinanceGet paid faster on what you win.
    Capital available
    $2.4M against your award
    Facilities maintenance IDIQAwarded
    Partner matched
    LenderFederal Capital Partners
    Draw available$2.4M
    UnderwritingCleared
    The platform
    Influence
    Capture
    Analyze
    Manage
    Respond
    Finance
    One pipeline, six stages, start to award.
    See the whole platform
    Solutions
    By industry
    Tech & softwareSoftware and SaaS companies entering GovCon.Defense contractorsPrimes and subs in the defense industrial base.ConstructionBuilders bidding federal, state, and local work.CybersecuritySecurity vendors pursuing federal mandates.
    By team
    Capture managers & BDPipeline, qualification, and win strategy.Proposal teamsCompliance matrices and proposal drafting.Subcontractors & primesTeaming, subcontracting, and partner fit.
    By company size
    Small businessesSet-aside and small business contractors.EnterpriseLarge contractors running multiple pursuits.ConsultantsAdvisors and capture consultants.
    Browse all industries
    CustomersPricing
    ResourcesNew
    Learn
    AcademyCourses, guides, and playbooks.WebinarsLive sessions and recordings.DocsProduct documentation and setup guides.Implementation planOperational rollout guidance.
    Tools & data
    Free GovCon toolsCalculators, lookups, and more.Gov ExploreContracts, agencies, and NAICS codes.GovCon eventsConferences, training, and set-aside events.
    Latest blogIntroducing the New SamSearch: The Operating System for Government ContractingSamSearch has a new brand, a new site, and a new way of explaining what the platform actually does — the operating system for government contracting, organized around six stages instead of a single search box. Here's what changed and why.Read the post →
    All resources and tools
    Sign inRequest a demo
    ← Back to NAICS AI Search

    4882 - Support Activities for Rail Transportation

    When navigating the complex world of government contracting or industry classification, understanding specific NAICS codes is essential. One such important code is NAICS Code 4882 - Support Activities for Rail Transportation. This industry classification plays a crucial role in the transportation sector by encompassing businesses that provide essential support services to keep railroads operational and efficient.


    What is NAICS Code 4882?

    NAICS Code 4882 is designated for establishments primarily engaged in offering support services tailored to rail transportation. These services include:

    • Railway switching operations
    • Terminal operations
    • Railway maintenance services
    • Railroad track and right-of-way construction and maintenance

    Essentially, businesses under this code facilitate the smooth operation and upkeep of railroad systems, supporting the transportation infrastructure across the United States.


    Sector Overview: Transportation and Warehousing

    NAICS Code 4882 falls under the broader Transportation and Warehousing sector. This sector encompasses a variety of transportation services and support operations that ensure the movement of goods and people. Within this sector, support activities like switching, terminal handling, and track maintenance are vital for efficient rail freight and passenger services.

    Typical Business Activities Under NAICS 4882:

    • Railway Switching and Terminal Establishments: Operations that manage the sorting and assembling of railcars in railroad yards and terminals.
    • Railway Maintenance Services: Services focused on the upkeep and repair of railroad equipment and infrastructure.
    • Railroad Track and Right-of-Way Construction and Maintenance: Activities involving construction, repair, and maintenance of railroad tracks and associated land corridors.

    Size Standards for NAICS Code 4882

    To qualify as a small business under NAICS 4882 for federal contracting purposes, businesses generally must meet the SBA size standard related to number of employees or annual revenue (check the latest SBA tables for exact thresholds), which typically ranges around:

    • 1,500 employees or less

    This size standard ensures that eligible businesses can participate in government contracting opportunities designated for small businesses, enhancing competition and diversity in the rail transportation support market.


    Examples of Businesses Classified Under NAICS 4882

    • Railroad Switching Yards Operators: Companies managing railcar movements and assemblies within rail yards.
    • Railroad Maintenance Contractors: Firms focusing on routine and emergency maintenance of rail tracks and signaling systems.
    • Railroad Track Construction Firms: Businesses constructing or rehabilitating railroad tracks and related infrastructure.
    • Terminal Operators for Rail Facilities: Entities responsible for managing loading and unloading of goods at rail terminals.

    NAICS Code 4882 Details Table

    Attribute Description
    NAICS Code 4882
    Title Support Activities for Rail Transportation
    Sector Transportation and Warehousing
    Industry Description Establishments providing rail transportation support services such as switching, terminal operations, and maintenance activities
    Typical Businesses Railway switching and terminal operations, maintenance services, track construction and upkeep
    Size Standard 1,500 employees (consult SBA for updates)

    Frequently Asked Questions (FAQ) About NAICS Code 4882

    What types of companies fall under NAICS 4882?

    Companies involved in railway switching, terminal operations, maintenance of railroad tracks, and right-of-way construction are classified under this code.

    Is NAICS 4882 specific only to freight railroads?

    No, while much of the activity focuses on freight railroads, it also includes support services for passenger rail systems where applicable.

    How is NAICS 4882 used in government contracting?

    This NAICS code helps federal agencies identify eligible small businesses for contracts related to rail transportation support services.

    What is the size standard for NAICS 4882?

    Typically, the SBA defines the size standard as 1,500 employees or less, but it is advisable to verify the most current size standards on the SBA website.

    Can a business be classified under more than one NAICS code?

    Yes, if a business offers multiple types of services, it can be classified under multiple NAICS codes, but it should choose the code that represents its primary business activity.


    Conclusion

    NAICS Code 4882 – Support Activities for Rail Transportation – is a key classification within the Transportation and Warehousing sector. It defines businesses that deliver essential support functions to the railway industry, ensuring efficient operation and maintenance of rail systems. Whether you are a contractor looking to bid on government projects or simply seeking to understand the rail transportation ecosystem better, knowing the specifics of this NAICS code is invaluable.

    For businesses in this classification, staying abreast of eligibility size standards and industry trends is critical to tapping into growth opportunities, including federal government contracts.


    Optimize your rail transportation support services by aligning with NAICS Code 4882 and capitalizing on the dynamic opportunities within this vital sector.

    View Active Opportunities for NAICS 4882

    See current federal, state, and local government contracts using this NAICS code.

    Browse 4882 Opportunities →
    ← Back to NAICS Browser

    Explore More NAICS Codes:

    • 92511 - Administration of Housing Programs
    • 32192 - Wood Container and Pallet Manufacturing
    • 213115 - Support Activities for Nonmetallic Minerals (except Fuels) Mining
    • 423310 - Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
    • 311119 - Other Animal Food Manufacturing

    What Our Customers Say

    Join hundreds of government contractors who have transformed their business with SamSearch

    “SamSearch has been a lifesaver for our business. As a govCon consultant helping small businesses win contracts, this tool is all I need to find the right requirements at every level of government. After experimenting with the product, I've discovered features I didn't even know existed. It's affordable, and it's the best on the market.”
    NikkiCEO, TSBA | Ex US Navy and US Air Force
    “I was blown away by the 2.0 update. I didn't think they could improve the platform any further, but they did. It's more user-friendly and efficient than ever before.”
    Bobby HughesBusiness Owner, BH Consulting LLC
    “I'm a strategy and growth consultant helping small businesses break into SLED and grow. With 25 years in the AEC industry (BD, marketing, proposals) and APMP certification, I left corporate consulting to start my own firm. This tool is a game changer.”
    Amanda CerchiaraStrategy & Growth Consultant, Independent
    “Best way to find Government Contracts.”
    Jonathan SeifertDirector of Partnerships, Easy Llama
    “We use the software and it's been great! All of our government contracting operations are through SamSearch.”
    Jennifer RosiekFounder & CEO, APB Services
    “It keeps me engaged and interested in what I'm looking for, unlike the cumbersome process on other platforms.”
    Andrew RiceSenior Oversight @ Lyft and Partner & Vice President, Groundbreaking Construction

    Close More Government Opportunities Today

    Get Started Now
    samsearch

    The Complete AI Platform for Government Contracting

    Platform
    • Product
    • Pricing
    • ROI calculator
    • Integrations
    • Changelog
    Solutions
    • Solutions
    • Customers
    • Comparisons
    • Market watch
    Resources
    • Blog
    • Free GovCon tools
    • Glossary
    • Docs
    Company
    • API & partnerships
    • Careers
    • Support
    • Compliance
    • Trust centre
    • Contact
    Recognised & verified
    SOC 2 Type II Compliant, SamSearchAWS Partner - Advanced, SamSearch on AWS MarketplaceGartner Peer Insights Customer First, SamSearch
    Ask AI about samsearch
    Ask ChatGPTAsk ClaudeAsk Perplexity
    Follow

    © 2026 samsearch. All rights reserved.

    Terms of usePrivacy policy