Company lists · Data refreshed September 2026
Top 25 Transit signaling system providers based in the United States
RevenueBase identified 124 transit signaling system providers headquartered in the United States as of September 2026 and tracks 15,421 professional contacts across them, including 6,112 with verified work emails. Jacksonville is the largest hub.
This list covers transit signaling system providers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest transit signaling system providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,859 contacts → | ||||
Partial evidence “Wabtec is a leading global provider of equipment, systems, digital solutions, and value-added services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 995 contacts → | ||||
Partial evidence “Wabtec Passenger Transit designs and manufactures a vast array of pneumatic, electronic and mechanical devices such as braking equipment, controllers, current collectors and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 556 contacts → | ||||
Indirect evidence “Luminator has been an innovator in the design and manufacture of communications and lighting products for more than 95 years.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 481 contacts → | ||||
Partial evidence “RailPros was founded in and is exclusively focused on providing rail and transit engineering and construction services.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 270 contacts → | ||||
Strong evidence “Econolite, founded in 1933, is a leading provider of intelligent transportation systems (ITS), including comprehensive transportation management solutions that include advanced…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 231 contacts → | ||||
Partial evidence “At KINKISHARYO International, our mission has always been to provide high-quality urban transit products and services to our customers, on time and at a reasonable cost.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 224 contacts → | ||||
Indirect evidence “SWARCO McCain, Inc, a Company of the SWARCO Group, develops products used by millions of motorists around the world each day.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 153 contacts → | ||||
Partial evidence “As one of the country’s largest, privately held ITS and traffic solutions providers, Lumin8 Transportation Technologies shapes the future of transportation and mobility.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 101 contacts → | ||||
Partial evidence “Modern Railway Systems is committed to provide each of our customers with the most innovative, cost-effective and safest systems available.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 95 contacts → | ||||
Indirect evidence “MoboTrex provides the expertise for the best mobility and traffic solution for every customer, every day.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 70 contacts → | ||||
Indirect evidence “The men and women of Boyce Technologies, Inc.(“BTI”) ride the subway.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 62 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 62 contacts → | ||||
Strong evidence “LILEE Systems was founded in 2009 by industry leaders in the transportation industry using advanced communication technology to enhance operational safety for railroads and bus…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 62 contacts → | ||||
Partial evidence “Rail Transit Consultants, Inc.(RTC) was incorporated in January of 1986 as a corporation of the state of Pennsylvania.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 54 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 42 contacts → | ||||
Strong evidence “Piper is a technology solutions provider and system integrator specializing in the transportation industry.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 41 contacts → | ||||
Strong evidence “Transportation Control Systems has been a recognized leader in the manufacturing and distribution of high quality, technologically advanced traffic control products for over 35…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 39 contacts → | ||||
Indirect evidence “ESP Enterprises, Inc.(est.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 38 contacts → | ||||
Partial evidence “TransSIGHT is a recognized leader in transit technology development, integration, and program management with a successful track record of accomplishing major Intelligent…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 38 contacts → | ||||
Partial evidence “Bison Rail Systems is a railway systems service provider focused on delivering solutions with substance, not just form.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 33 contacts → | ||||
Partial evidence “L&W is a vertically integrated manufacturer and distributor of signaling and communication solutions for the rail industry.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 32 contacts → | ||||
Partial evidence “Since 2001, Western Systems has partnered with city, county, and state agencies to deliver state-of-the-art traffic management solutions, making roads safer and communities…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 32 contacts → | ||||
Partial evidence “Making Transport Work, Safely, Efficiently and Sustainably.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 29 contacts → | ||||
Partial evidence “QuEST Rail designs and builds custom electronic components for a variety of customers in the transportation industry with a particular emphasis on safety-critical train control…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Indirect evidence “Rail Development Group is a leading manufacturer of railway signal equipment and specializes in the remanufacturing of railway signal equipment of all kinds.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: transit signaling system providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names transit signaling system providers.
- Partial evidence
- Its own public description names part of transit signaling system providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name transit signaling system providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 124 transit signaling system providers based in the United States
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Transit signaling system providers based in the United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 124 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among transit signaling system providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “transit signaling system providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names transit signaling system providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among transit signaling system providers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 6,112 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names transit signaling system providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many transit signaling system providers are there based in the United States?
RevenueBase identified 124 transit signaling system providers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Wabtec Corporation, headquartered in Pittsburgh, tops this list with the largest team on record.
Which city has the most transit signaling system providers?
Jacksonville leads with 4 headquartered companies, followed by Anaheim (3) and Fort Worth (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,112 verified decision-maker contacts tracked across these 124 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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Transit signaling system providers by geography
- Transit signaling system providers based in Australia
- Transit signaling system providers based in Canada
- Transit signaling system providers based in France
- Transit signaling system providers based in Germany
- Transit signaling system providers based in India
- Transit signaling system providers based in Italy
- Transit signaling system providers based in Poland
- Transit signaling system providers based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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- Transit signaling system providers based in Australia
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