Company lists · Data refreshed October 2026
Top 25 Railroad certification companies based in the United States
RevenueBase identified 59 company matches for railroad certification companies associated with the United States as of October 2026 and tracks 2,254 professional contacts across them, including 429 with verified work emails. Houston is the largest hub.
This list covers company matches for railroad certification companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 railroad certification companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 743 contacts → | ||||
Exact match “TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 2 | 194 contacts → | ||||
Exact match “Performance Review Institute® (PRI℠) is headquartered in Pittsburgh, Pennsylvania in the USA, with offices in London, UK to serve Europe and in Beijing, China and Aichi, Japan…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 3 | 116 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 4 | 70 contacts → | ||||
Exact match “Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 5 | 65 contacts → | ||||
Exact match “National Railroad Safety Services, Inc.(NRSS) is a certified DBE/WBE firm primarily focused on providing safety services to the railroad industry.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 6 | 49 contacts → | ||||
Exact match “ASE is a driving force in the transportation industry – a dynamic catalyst for the advancement of a workforce of professionals who possess the essential knowledge and skills to do…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “VPS is focused on supporting safety in the electric industry.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “As an accredited lab under the National Voluntary Accreditation Program (NVLAP) of the National Institute of Standards and Technology (NIST)(NVLAP Lab Code 200733-0), SLI…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “CERTON, a Cyient company, has established an identity of unparalleled safety-critical certification solutions in the aerospace, medical device and transportation industries.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “Safety Plus, LLC is a family-owned and operated company as well as a WBENC-certified, woman owned business.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “Vital Assurance provides an independent consultancy to rail operators, rail equipment suppliers, and A&E firms, specializing in the safety assurance of rail products and systems.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “IS YOUR RAILROAD CAREER ON TRACK?” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “ECO, Inc.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “DOT Quality Services (DOTQS) is a specialized firm that develops standards of performance, grants quality system certifications, and creates and conducts supplier audit programs.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “In today’s marketplace, soaring above the competition is tougher than ever.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “International Ride Training LLC provides a bevy of risk management, safety, and compliance services to the attractions industry.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “Tartaglia Railroad Services specializes in the design, construction, and project management of rail projects of all sizes.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “ISOQAR Inc is an independent, third party Certification Body, accredited by ANAB and offering registration services to ISO 9001, ISO 13485, ISO 27001, ISO 27701, AS9100, AS9110…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Accredited Safety Solutions, Inc offers training for Operator, Rigger, and Signal Certifications.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “For over 25 years Victoria Mechanical Services Inc.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “WT Rail is built on stringent Safety and ISO standards.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “The NETTCP provides certifications in transportation construction field.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “railroad certification companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 59 railroad certification companies based in the United States
See the full list, filter by size, metro and specialty, and access 429 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Railroad certification companies based in the United States at a glance
As of Oct 29, 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 59 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “railroad certification companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 429 professional contacts with verified work emails across the full matched dataset. 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 October 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “railroad certification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many railroad certification companies are there based in the United States?
RevenueBase identified 59 company matches for railroad certification companies associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
TÜV Rheinland North America tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most railroad certification companies?
Houston leads with 4 company records, followed by Atlanta (1) and Bensenville (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 429 professional contacts with verified work emails tracked across these 59 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 59 railroad certification companies based in the United States. Start with a free account, no credit card.
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Railroad certification companies by geography
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Railroad certification companies based in France
- Railroad certification companies based in Germany
- Railroad certification companies based in Italy
- Railroad certification companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 railroad certification companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 59 matching company records for railroad certification companies based in the United States, with 2,254 tracked contacts and 429 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 railroad certification companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  TÜV Rheinland North Americatuv.comHQ: Boxborough, MA, United StatesReported employees: 501-1,000 | Boxborough, MA, United States | 501-1,000 | Exact match | 743 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  PRI Performance Review Institutep-r-i.orgHQ: Warrendale, PA, United StatesReported employees: 51-200 | Warrendale, PA, United States | 51-200 | Exact match | 194 contacts → |
“Performance Review Institute® (PRI℠) is headquartered in Pittsburgh, Pennsylvania in the USA, with offices in London, UK to serve Europe and in Beijing, China and Aichi, Japan…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Strato, INCstratoinc.com HQ: Monmouth Junction, NJ, United StatesReported employees: 51-200 | Monmouth Junction, NJ, United States | 51-200 | Exact match | 116 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Eagle Certification Groupeaglecertificationgroup.comHQ: Dayton, OH, United StatesReported employees: 11-50 | Dayton, OH, United States | 11-50 | Exact match | 70 contacts → |
“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  National Railroad Safety Services, Inc. Nrssnrssinc.netHQ: West Chester, OH, United StatesReported employees: 201-500 | West Chester, OH, United States | 201-500 | Exact match | 65 contacts → |
“National Railroad Safety Services, Inc.(NRSS) is a certified DBE/WBE firm primarily focused on providing safety services to the railroad industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ASEase.com HQ: Leesburg, VA, United StatesReported employees: 11-50 | Leesburg, VA, United States | 11-50 | Exact match | 49 contacts → |
“ASE is a driving force in the transportation industry – a dynamic catalyst for the advancement of a workforce of professionals who possess the essential knowledge and skills to do…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Drummond Group, LLCdrummondgroup.com HQ: Durham, NC, United StatesReported employees: 11-50 | Durham, NC, United States | 11-50 | Exact match | 40 contacts → |
“Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Arrowhead Industrial Servicesarrowheadindustrial.com HQ: Wilson, NC, United StatesReported employees: 11-50 | Wilson, NC, United States | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Victory Powerline Servicesvictorypowerlineservices.com HQ: New Market, IA, United StatesReported employees: 11-50 | New Market, IA, United States | 11-50 | Exact match | 19 contacts → |
“VPS is focused on supporting safety in the electric industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SLI Complianceslicompliance.com HQ: Wheat Ridge, CO, United StatesReported employees: 11-50 | Wheat Ridge, CO, United States | 11-50 | Exact match | 15 contacts → |
“As an accredited lab under the National Voluntary Accreditation Program (NVLAP) of the National Institute of Standards and Technology (NIST)(NVLAP Lab Code 200733-0), SLI…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Certoncerton.com HQ: Melbourne, FL, United StatesReported employees: 51-200 | Melbourne, FL, United States | 51-200 | Exact match | 15 contacts → |
“CERTON, a Cyient company, has established an identity of unparalleled safety-critical certification solutions in the aerospace, medical device and transportation industries.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Safety Plus LLCsafetyplusllc.com HQ: Chattanooga, TN, United StatesReported employees: 11-50 | Chattanooga, TN, United States | 11-50 | Exact match | 14 contacts → |
“Safety Plus, LLC is a family-owned and operated company as well as a WBENC-certified, woman owned business.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vital Assurance LTDvitalassurance.com HQ: Columbus, OH, United StatesReported employees: 11-50 | Columbus, OH, United States | 11-50 | Exact match | 13 contacts → |
“Vital Assurance provides an independent consultancy to rail operators, rail equipment suppliers, and A&E firms, specializing in the safety assurance of rail products and systems.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Transportation Certification Services, INChallcon.comHQ: Lenexa, KS, United StatesReported employees: 51-200 | Lenexa, KS, United States | 51-200 | Exact match | 13 contacts → |
“IS YOUR RAILROAD CAREER ON TRACK?” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ECO Engine Certification Organizationenginecert.comHQ: Roseville, CA, United StatesReported employees: 1-10 | Roseville, CA, United States | 1-10 | Exact match | 12 contacts → |
“ECO, Inc.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DOT Quality Servicesdotqs.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 8 contacts → |
“DOT Quality Services (DOTQS) is a specialized firm that develops standards of performance, grants quality system certifications, and creates and conducts supplier audit programs.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Rail Scale INCrailscale.com HQ: Jacksonville, FL, United StatesReported employees: 11-50 | Jacksonville, FL, United States | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  G&m Compliance, INCgmcompliance.comHQ: Orange, CA, United StatesReported employees: 11-50 | Orange, CA, United States | 11-50 | Exact match | 6 contacts → |
“In today’s marketplace, soaring above the competition is tougher than ever.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  International Ride Training LLCridetraining.comHQ: Nashville, TN, United StatesReported employees: 1-10 | Nashville, TN, United States | 1-10 | Exact match | 6 contacts → |
“International Ride Training LLC provides a bevy of risk management, safety, and compliance services to the attractions industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tartaglia Railroad Servicestartagliarail.com HQ: East Syracuse, NY, United StatesReported employees: 11-50 | East Syracuse, NY, United States | 11-50 | Exact match | 6 contacts → |
“Tartaglia Railroad Services specializes in the design, construction, and project management of rail projects of all sizes.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Isoqar INCisoqarinc.com HQ: Bonita Springs, FL, United StatesReported employees: 1-10 | Bonita Springs, FL, United States | 1-10 | Exact match | 6 contacts → |
“ISOQAR Inc is an independent, third party Certification Body, accredited by ANAB and offering registration services to ISO 9001, ISO 13485, ISO 27001, ISO 27701, AS9100, AS9110…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Accredited Safety Solutions, INCaccredited-safety.comHQ: Danville, IN, United StatesReported employees: 11-50 | Danville, IN, United States | 11-50 | Exact match | 3 contacts → |
“Accredited Safety Solutions, Inc offers training for Operator, Rigger, and Signal Certifications.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Victoria Mechanical Services INCvictoriamechanical.com HQ: Victoria, TX, United StatesReported employees: 1-10 | Victoria, TX, United States | 1-10 | Exact match | 3 contacts → |
“For over 25 years Victoria Mechanical Services Inc.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | WT Railwt-rail.com HQ: Seabrook, TX, United StatesReported employees: 1-10 | Seabrook, TX, United States | 1-10 | Exact match | 3 contacts → |
“WT Rail is built on stringent Safety and ISO standards.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Nettcpnettcp.com HQ: Winchendon, MA, United StatesReported employees: 1-10 | Winchendon, MA, United States | 1-10 | Exact match | 3 contacts → |
“The NETTCP provides certifications in transportation construction field.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 59 company matches
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Railroad certification companies: dataset insights
October 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
59 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 59 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for railroad certification companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many railroad certification companies did RevenueBase find based in the United States?
The saved snapshot records 59 matching company records, 2,254 tracked contacts and 429 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Railroad certification companies by geography
Cite this list
RevenueBase Data Team. Top 25 railroad certification companies based in the United States. Snapshot: October 29, 2026. https://revenuebase.ai/companies/railroad-certification-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Railroad certification companies based in France
- Railroad certification companies based in Germany
- Railroad certification companies based in Italy
- Railroad certification companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 railroad certification companies based in the United States
RevenueBase records 59 matching company records for railroad certification companies based in the United States, with 2,254 tracked contacts and 429 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 railroad certification companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | TÜV Rheinland North Americatuv.com HQ: Boxborough, MA, United StatesReported employees: 501-1,000 | Boxborough, MA, United States | 501-1,000 | Exact match | 743 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PRI Performance Review Institutep-r-i.org HQ: Warrendale, PA, United StatesReported employees: 51-200 | Warrendale, PA, United States | 51-200 | Exact match | 194 contacts → |
“Performance Review Institute® (PRI℠) is headquartered in Pittsburgh, Pennsylvania in the USA, with offices in London, UK to serve Europe and in Beijing, China and Aichi, Japan…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Strato, INCstratoinc.com HQ: Monmouth Junction, NJ, United StatesReported employees: 51-200 | Monmouth Junction, NJ, United States | 51-200 | Exact match | 116 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Eagle Certification Groupeaglecertificationgroup.com HQ: Dayton, OH, United StatesReported employees: 11-50 | Dayton, OH, United States | 11-50 | Exact match | 70 contacts → |
“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | National Railroad Safety Services, Inc. Nrssnrssinc.net HQ: West Chester, OH, United StatesReported employees: 201-500 | West Chester, OH, United States | 201-500 | Exact match | 65 contacts → |
“National Railroad Safety Services, Inc.(NRSS) is a certified DBE/WBE firm primarily focused on providing safety services to the railroad industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ASEase.com HQ: Leesburg, VA, United StatesReported employees: 11-50 | Leesburg, VA, United States | 11-50 | Exact match | 49 contacts → |
“ASE is a driving force in the transportation industry – a dynamic catalyst for the advancement of a workforce of professionals who possess the essential knowledge and skills to do…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Drummond Group, LLCdrummondgroup.com HQ: Durham, NC, United StatesReported employees: 11-50 | Durham, NC, United States | 11-50 | Exact match | 40 contacts → |
“Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Arrowhead Industrial Servicesarrowheadindustrial.com HQ: Wilson, NC, United StatesReported employees: 11-50 | Wilson, NC, United States | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Victory Powerline Servicesvictorypowerlineservices.com HQ: New Market, IA, United StatesReported employees: 11-50 | New Market, IA, United States | 11-50 | Exact match | 19 contacts → |
“VPS is focused on supporting safety in the electric industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SLI Complianceslicompliance.com HQ: Wheat Ridge, CO, United StatesReported employees: 11-50 | Wheat Ridge, CO, United States | 11-50 | Exact match | 15 contacts → |
“As an accredited lab under the National Voluntary Accreditation Program (NVLAP) of the National Institute of Standards and Technology (NIST)(NVLAP Lab Code 200733-0), SLI…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Certoncerton.com HQ: Melbourne, FL, United StatesReported employees: 51-200 | Melbourne, FL, United States | 51-200 | Exact match | 15 contacts → |
“CERTON, a Cyient company, has established an identity of unparalleled safety-critical certification solutions in the aerospace, medical device and transportation industries.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Safety Plus LLCsafetyplusllc.com HQ: Chattanooga, TN, United StatesReported employees: 11-50 | Chattanooga, TN, United States | 11-50 | Exact match | 14 contacts → |
“Safety Plus, LLC is a family-owned and operated company as well as a WBENC-certified, woman owned business.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vital Assurance LTDvitalassurance.com HQ: Columbus, OH, United StatesReported employees: 11-50 | Columbus, OH, United States | 11-50 | Exact match | 13 contacts → |
“Vital Assurance provides an independent consultancy to rail operators, rail equipment suppliers, and A&E firms, specializing in the safety assurance of rail products and systems.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Transportation Certification Services, INChallcon.com HQ: Lenexa, KS, United StatesReported employees: 51-200 | Lenexa, KS, United States | 51-200 | Exact match | 13 contacts → |
“IS YOUR RAILROAD CAREER ON TRACK?” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ECO Engine Certification Organizationenginecert.com HQ: Roseville, CA, United StatesReported employees: 1-10 | Roseville, CA, United States | 1-10 | Exact match | 12 contacts → |
“ECO, Inc.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DOT Quality Servicesdotqs.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 8 contacts → |
“DOT Quality Services (DOTQS) is a specialized firm that develops standards of performance, grants quality system certifications, and creates and conducts supplier audit programs.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Rail Scale INCrailscale.com HQ: Jacksonville, FL, United StatesReported employees: 11-50 | Jacksonville, FL, United States | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | G&m Compliance, INCgmcompliance.com HQ: Orange, CA, United StatesReported employees: 11-50 | Orange, CA, United States | 11-50 | Exact match | 6 contacts → |
“In today’s marketplace, soaring above the competition is tougher than ever.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | International Ride Training LLCridetraining.com HQ: Nashville, TN, United StatesReported employees: 1-10 | Nashville, TN, United States | 1-10 | Exact match | 6 contacts → |
“International Ride Training LLC provides a bevy of risk management, safety, and compliance services to the attractions industry.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tartaglia Railroad Servicestartagliarail.com HQ: East Syracuse, NY, United StatesReported employees: 11-50 | East Syracuse, NY, United States | 11-50 | Exact match | 6 contacts → |
“Tartaglia Railroad Services specializes in the design, construction, and project management of rail projects of all sizes.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Isoqar INCisoqarinc.com HQ: Bonita Springs, FL, United StatesReported employees: 1-10 | Bonita Springs, FL, United States | 1-10 | Exact match | 6 contacts → |
“ISOQAR Inc is an independent, third party Certification Body, accredited by ANAB and offering registration services to ISO 9001, ISO 13485, ISO 27001, ISO 27701, AS9100, AS9110…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Accredited Safety Solutions, INCaccredited-safety.com HQ: Danville, IN, United StatesReported employees: 11-50 | Danville, IN, United States | 11-50 | Exact match | 3 contacts → |
“Accredited Safety Solutions, Inc offers training for Operator, Rigger, and Signal Certifications.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Victoria Mechanical Services INCvictoriamechanical.com HQ: Victoria, TX, United StatesReported employees: 1-10 | Victoria, TX, United States | 1-10 | Exact match | 3 contacts → |
“For over 25 years Victoria Mechanical Services Inc.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | WT Railwt-rail.com HQ: Seabrook, TX, United StatesReported employees: 1-10 | Seabrook, TX, United States | 1-10 | Exact match | 3 contacts → |
“WT Rail is built on stringent Safety and ISO standards.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Nettcpnettcp.com HQ: Winchendon, MA, United StatesReported employees: 1-10 | Winchendon, MA, United States | 1-10 | Exact match | 3 contacts → |
“The NETTCP provides certifications in transportation construction field.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 59 company matches
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Railroad certification companies: dataset insights
October 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
59 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 59 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for railroad certification companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many railroad certification companies did RevenueBase find based in the United States?
The saved snapshot records 59 matching company records, 2,254 tracked contacts and 429 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Railroad certification companies by geography
Cite this list
RevenueBase Data Team. Top 25 railroad certification companies based in the United States. Snapshot: October 29, 2026. https://revenuebase.ai/companies/railroad-certification-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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