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NAICS 488210: Support Activities for Rail Transportation

NAICS 488210

NAICS 488210 – Support Activities for Rail Transportation encompasses a range of specialized services that enable the safe, efficient, and reliable operation of rail systems under federal oversight. This includes track maintenance and inspection, signal system servicing, railcar cleaning and refurbishment, locomotive maintenance, right-of-way clearing, bridge and tunnel inspections, and logistics coordination for rail-based freight or passenger operations.

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 488210.

AI Industry Description

NAICS 488210 – Support Activities for Rail Transportation encompasses a range of specialized services that enable the safe, efficient, and reliable operation of rail systems under federal oversight. This includes track maintenance and inspection, signal system servicing, railcar cleaning and refurbi...

NAICS 488210 – Support Activities for Rail Transportation encompasses a range of specialized services that enable the safe, efficient, and reliable operation of rail systems under federal oversight. This includes track maintenance and inspection, signal system servicing, railcar cleaning and refurbishment, locomotive maintenance, right-of-way clearing, bridge and tunnel inspections, and logistics coordination for rail-based freight or passenger operations. These services are critical to sustaining infrastructure integrity and operational readiness for federally funded or operated rail networks, particularly those supporting military logistics, federal passenger transit, and intermodal freight hubs. While not directly involved in rail vehicle manufacturing or line construction, contractors in this sector provide essential lifecycle support that ensures continuity of service for government rail assets. No contractor data is available to identify top performers in this NAICS code. However, the competitive landscape typically includes specialized rail maintenance firms, heavy equipment service providers, and small businesses with niche expertise in rail infrastructure support, often competing for task orders under broader transportation or logistics contracts. No agency data is available to identify primary buyers. Nonetheless, demand is likely driven by agencies managing federal rail assets, such as the Department of Defense for military rail lines, the Federal Railroad Administration for safety compliance oversight, and the General Services Administration for interagency transit support. Federal agencies with rail-dependent logistics or passenger operations may also procure these services under indirect or mission-specific contracts. The market for rail support activities is characterized by low contractor density and high technical specificity, creating opportunities for firms with certified rail maintenance credentials, OSHA-compliant safety protocols, and experience with federal infrastructure standards. Procurement trends suggest a growing emphasis on predictive maintenance, condition-based monitoring, and compliance with FRA regulations, favoring contractors with proven technical rigor and regulatory familiarity.

Small business size standard

The SBA threshold that decides who can bid NAICS 488210 work as a small business.

SBA threshold
$34.0M
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Key metrics

Federal obligations and activity under NAICS 488210, last 12 months.

Total Obligations

$18.2M

Last 12 months

Average Award Size

$293K

Per awarded contract

Opportunities Posted

704

Last 12 months

Active Contracts

76

Currently open

Awarded Contracts

62

Last 12 months

Awards Expiring

29

End date within 12 months

Contractors Awarded

32

Last 12 months

YoY Growth

-4.2%

vs. prior 12 months

Top contractors

Companies with the highest total award value under NAICS 488210, ranked by dollars won.

Top agencies

Federal agencies directing the most contract spending toward NAICS 488210.

Ranked by Total Awards
Department Of Defense$11.7M
Department Of Transportation$6.4M
Sourcewell$0
Top 3 combined$18.2M62

Competition

How many companies historically bid on federal awards in NAICS 488210, from bidder counts reported on USAspending.

Fewer Bidders

Median under 3 bidders per reported award. · 1,158 reported awards

Median Bidders

2

Per reported award, all-time

Single-Bid Awards

47%

Share of reported awards with one bidder

10+ Bidder Awards

0%

Share of reported awards with 10+ bidders

Reported Awards

1,158

80% of 1,450 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
488210This Code
Support Activities for Rail Transportation
Fewer Bidders247%
1,15880% of 1,450
48821NAICS Industry
Fewer Bidders247%
1,15880% of 1,450
4882Industry Group
Support Activities for Rail Transportation
Fewer Bidders247%
1,15880% of 1,450
488Subsector
Fewer Bidders247%
156,74282% of 191,648
48Sector
Transportation and Warehousing
Fewer Bidders239%
402,63885% of 473,664

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS codes

Industries similar to Support Activities for Rail Transportation, by shared sector, subsector, and industry group.

Explore contracts across multiple NAICS codes Browse all NAICS Codes

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NAICS 488210 FAQ

Frequently Asked Questions

NAICS code 488210 covers Support Activities for Rail Transportation. This industry comprises establishments primarily engaged in providing specialized services for railroad transportation, including servicing, routine repairing (except factory conversion, overhaul, or rebuilding of rolling stock), and maintaining rail cars; loading and unloading rail cars; and operating independent terminals. Cross-References. Establishments primarily engaged in--

Recently Posted in Support Activities for Rail Transportation

NAICS: 488210
New
Federal
Vegetation Control and Inspection Railroad Service
Solicitation # W912PB27QA002
Solicitation W912PB27QA002 is a non-personal services requirement for vegetation control and railroad infrastructure inspection at USAG Ansbach, covering Katterbach Kaserne, Storck Barracks, and Oberdachstetten Frankenkaserne. The contractor is responsible for providing all personnel, equipment, and materials to perform critical maintenance tasks, including the inspection of turnouts, railroad crossings, superstructures, culverts, loading ramps, bumpers, and bridges on a three-year cycle. Additionally, the scope includes vegetation management for rail tracks, railheads, daylight profiles, bed trenches, and dams. All work must comply with the Performance Work Statement and host nation regulations, specifically EBO(A), DIN 1076, and Deutsche Bahn Netz AG standards. This is a Firm Fixed Price contract consisting of a base year starting January 1, 2027, and four option years extending through December 31, 2031. Award will be made to the responsible quoter with the Lowest Price Technically Acceptable proposal. Technical acceptability requires a minimum of two years of relevant experience within the last eight years in railroad vegetation control, with contracts totaling at least 200,000 dollars per year. Key personnel requirements include a Contract Manager, Alternate Contract Manager, and Quality Control Manager. The contractor must implement a Quality Control Plan and adhere to strict security and non-disclosure protocols regarding installation access and data rights.
0409 Aq Hq Contract

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1 day ago

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