NAICS 48821: Support Activities for Rail Transportation
NAICS industry
Code facts
- Part of
-
-
48-49
-
488
- 4882
-
488
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48-49
- Codes under it
- 1
- Contract awards
- 60 In the last 12 months
- Contract obligations
- $18,429,767 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $22,391,311 |
| FY2025 | $18,429,767 |
| FY2024 | $18,170,920 |
| FY2023 | $15,757,387 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | MEB General Contractors Inc. | $4,117,885 | |
| 2 | Quality Turbocharger Components LLC | $3,564,800 | |
| 3 | Alltrack, Inc. | $2,723,497 | |
| 4 | Duos Technologies, Inc. | $2,563,480 | |
| 5 | Sierra Northern Railway | $1,695,022 | |
| 6 | Japan Freight Railway Company | $826,737 | |
| 7 | Central Gulf Railcar Services, LLC | $800,640 | |
| 8 | Quality Transportation Services, Inc. | $740,016 | |
| 9 | East Japan Railway Company | $702,455 | |
| 10 | Bering Straits Global Innovations, LLC | $676,339 |
See the full FY2025 ranking of NAICS 48821 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $7,551,431 | |
| 2 | Department of Transportation | $6,435,800 | |
| 3 | Department of the Navy | $5,749,493 | |
| 4 | Air Force | $1,927,448 | |
| 5 | Defense Logistics Agency | $822,703 | |
| 6 | Department of the Interior | $30,000 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | J022 Maintenance, Repair and Rebuilding of Equipment: Railway Equipment | $7,169,730 | |
| 2 |
Z2LB Repair or Alteration of Highways/ |
$6,825,400 | |
| 3 |
Z1LB Maintenance of Highways/ |
$2,793,395 | |
| 4 | AS11 Transportation R&D Services; Surface Transportation, Public Transit, and Rail; Basic Research | $2,563,480 | |
| 5 | V119 Other Cargo and Freight Services | $822,703 | |
| 6 | R706 Logistics Support Services | $740,016 | |
| 7 | V113 Rail Freight | $433,050 | |
| 8 |
H322 Inspection and Laboratory Services (except medical/ |
$285,346 | |
| 9 | Z1PZ Maintenance of Other Non-Building Facilities | $271,291 | |
| 10 | J023 Maintenance, Repair and Rebuilding of Equipment: Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles | $176,998 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $4,888,402 | |
| 2 | California | $3,317,726 | |
| 3 | Kentucky | $2,723,497 | |
| 4 | Florida | $2,563,480 | |
| 5 | Texas | $1,565,921 | |
| 6 | Alabama | $894,475 | |
| 7 | Kansas | $581,507 | |
| 8 | North Carolina | $549,926 | |
| 9 | Alaska | $487,449 | |
| 10 | Pennsylvania | $463,050 | |
| 11 | Colorado | $450,460 | |
| 12 | Wisconsin | $407,533 | |
| 13 | New Jersey | $228,497 | |
| 14 | Maine | $215,108 | |
| 15 | Utah | $102,259 | |
| 16 | Mississippi | $98,926 | |
| 17 | Massachusetts | $91,035 | |
| 18 | New York | $26,802 | |
| 19 | Washington | $21,200 | |
| 20 | Minnesota | $2,261 |
Show all 20
Shares are of everything obligated under NAICS 48821 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 385 listed here. See the rest on GovTribe.
Codes under 48821
| NAICS code | Size standard |
|---|---|
| 488210 Support Activities for Rail Transportation | $34 million in average annual receipts |
Definition
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.
Illustrative examples
- Freight car cleaning services
- Grain leveling and trimming in railroad cars
- Loading and unloading services at rail terminals
- Locomotive and rail car repair (except factory conversion, factory overhaul, factory rebuilding)
- Maintenance of rights-of-way and structures, railway
- Railroad switching services
- Railroad terminals, independent operation
- Railway terminals, independent operation
- Shunting trailers in rail terminals
- Switching services, railroad
Quick answers
What is NAICS 48821?
NAICS 48821 is Support Activities for Rail Transportation, a NAICS industry in NAICS 48-49, Transportation and Warehousing.
What is the NAICS code for railroad switching services?
The NAICS code for railroad switching services is 488210, Support Activities for Rail Transportation. Its SBA small business size standard is $34 million in average annual receipts.
What is the NAICS code for freight car cleaning services?
The NAICS code for freight car cleaning services is 488210, Support Activities for Rail Transportation. Its SBA small business size standard is $34 million in average annual receipts.
What is the NAICS code for shunting trailers in rail terminals?
The NAICS code for shunting trailers in rail terminals is 488210, Support Activities for Rail Transportation. Its SBA small business size standard is $34 million in average annual receipts.
What codes are under NAICS 48821?
NAICS 48821 has one code under it with its own GovTribe page, 488210 Support Activities for Rail Transportation.
How much do federal agencies spend under NAICS 48821?
Federal contracts under NAICS 48821 obligated $18,429,767 in fiscal year 2025 and $74,749,385 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 48821?
The contractors with the most obligated under NAICS 48821 in fiscal years 2026 and 2027 are MEB General Contractors Inc. ($4,117,885); Quality Turbocharger Components LLC ($3,564,800); and Alltrack, Inc. ($2,723,497).
Which agencies buy the most under NAICS 48821?
The agencies that obligated the most under NAICS 48821 in fiscal years 2026 and 2027 are Department of the Army ($7,551,431), Department of Transportation ($6,435,800) and Department of the Navy ($5,749,493).
Which PSC codes are used with NAICS 48821?
The PSC codes with the most obligated under NAICS 48821 in fiscal years 2026 and 2027 are J022 Maintenance, Repair and Rebuilding of Equipment: Railway Equipment; Z2LB Repair or Alteration of Highways/
Where is the work under NAICS 48821 performed?
By place of performance, the states with the most contract obligations under NAICS 48821 over the last 12 months are Virginia ($4,888,402), California ($3,317,726) and Kentucky ($2,723,497).
What is the latest contract opportunity under NAICS 48821?
The latest contract opportunity under NAICS 48821 is Vegetation Control and Inspection Railroad Service, solicitation from Army Contracting Command (AMC), posted October 22, 2026.
On GovTribe
See everything under NAICS 48821
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code