Industry hub · page 2
Rail & Transit manufacturers
55 domestic rail & transit suppliers across 24 states. Durable components and structures for locomotives, rail cars, and transit systems, where fatigue life, weld integrity, and Buy America compliance drive every sourcing decision.
The rail and transit manufacturers USA agencies depend on deliver heavy fabrication that stands up to decades of service. This directory concentrates US rail suppliers that machine, weld, and fabricate carbody structures, truck components, and signaling hardware, and it supports a domestic rail supply chain built around AWS D1.1 certified welding and ISO 9001 quality systems ready for Buy America projects.
- 55
- Suppliers
- 24
- States covered
- 2
- Set-aside registered
- 1
- Federal track record
of 5 on this page
of 5 hold awards
Standards that matter in rail & transit
3 to specify- AWS D1.1
- ISO 9001:2015
- AISC
Listings carry the federal set-aside registrations a company filed in SAM, not its quality-system certificates. Ask each shop for the current certificate and its scope before you release a drawing.
Rail & Transit suppliers
page 2 of 2Shops with a verified website are listed first, then alphabetically.
- 51

Hauppauge, NY · est. 1965
Transportation & Aerospace · Fabricated Metal
—
- 52

Tyngsboro, MA · est. 2018
Transportation & Aerospace
Small disadvantaged+1—
- 53
Morton, PA · est. 1982
Transportation & Aerospace · Fabricated Metal
—
- 54
Transportation & Aerospace · Electrical Equipment
$815K
- 55
Carpenter, WY · est. 2021
Transportation & Aerospace
Small disadvantaged—
51–55 of 55
Rail & Transit capacity by state
24 statesWhat buyers specify in rail & transit
3 requirements- 01Heavy structural fabrication and welding
- 02Machined truck, brake, and coupler components
- 03Certified welding to AWS D1.1
Shortlisted a few rail & transit shops? Send them the same requirements.
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