Company lists · Data refreshed November 2026
Top 25 Safety valve testing services based in the United States
RevenueBase identified 74 company matches for safety valve testing services associated with the United States as of November 2026 and tracks 1,510 professional contacts across them, including 395 with verified work emails. Houston is the largest hub.
This list covers company matches for safety valve testing services 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 November 1, 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 safety valve testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 170 contacts → | ||||
Exact match “The TechCorr name is synonymous with safe, quality inspection services.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 2 | 132 contacts → | ||||
Exact match “Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 3 | 101 contacts → | ||||
Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 4 | 91 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 5 | 71 contacts → | ||||
Exact match “Welcome to Total Valve Systems where we are celebrating 30 years of strong history and growth in servicing customers around the globe.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 6 | 62 contacts → | ||||
Exact match “Flotech provides valve repair, tube repairs, safety valve certification, valve actuation, control valve repair and new valves from locations throughout the US Southeast.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 7 | 47 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 8 | 39 contacts → | ||||
Exact match “Quadco, Inc.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 9 | 31 contacts → | ||||
Exact match “Arpco Valves & Controls is a leader in the oil and gas surface safety systems industry.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 10 | 26 contacts → | ||||
Exact match “Wellhead, Valve, and Pressure Control Experts, Trusted Field Service and Shop Solutions Bulldog Services provides inspection, testing, repair, and field services for critical oil…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 11 | 23 contacts → | ||||
Exact match “Stranco delivers precision-driven industrial services, equipment rentals, calibration, and valve solutions for the oil & gas, petrochemical, refining, and pipeline industries…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 12 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 13 | 19 contacts → | ||||
Exact match “Trillium Flow Technologies™ Atwood & Morrill® - Valves For All Turbine, Main Steam & Feed Water Applications Trillium Flow Technologies™ Sarasin-RSBD® - Safety Valves For All…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 14 | 18 contacts → | ||||
Exact match “Flow Control Services, LLC, was established in Louisiana in 2010 as a division of Flow Control Equipment, LLC in order to provide the highest quality service to equipment serving…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “Instumentation, Relief Valves, Cathodic Protection Sales & Service, as well as Test Equipment Certification Services.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “Custom Valve in 10 seconds or less.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “WH Labs (Whitehouse Laboratories) is an ISO 9001:2015, ISO/IEC 17025:2017, and AWS Accredited independent testing and analysis laboratory based in Houston, Texas, with ASME U&R…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Since 1956, Becker Boiler has been a leading provider of boiler and valve services for industrial and commercial facilities across Milwaukee, Madison, Fox Valley, Greater…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “Code Steel Industrial Inspections is a versatile inspection company in Phoenix, AZ that concentrates on Tanks, Pressure Vessels, and Piping.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “NB 369 National Board of Boiler and Pressure Vessel Certified Inspections & Authorized Inspection Agency (AIA).” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “Lab Certifications and TAB Testing: BalCon is an industry leader who has been ensuring equipment efficiency and safety for over 25 years.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “SIS offers the most advanced analysis of pipeline pressure testing available, providing the safest and most reliable data logging for pressure testing in the industry.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Advance Valve Inc is an ASME Code certified safety relief valve assembler and a National Board certified valve tester and repair specialist.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Website: NWS Technologies is a privately owned Nuclear Valve Service Company in the business of off-site testing and repairing safety/relief valves for nuclear power plants.” Recorded in the RevenueBase company graph · Nov 1, 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 “safety valve testing services”. 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 74 safety valve testing services based in the United States
See the full list, filter by size, metro and specialty, and access 395 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Safety valve testing services based in the United States at a glance
As of Nov 1, 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 74 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 “safety valve testing services” 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 395 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 November 1, 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 “safety valve testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many safety valve testing services are there based in the United States?
RevenueBase identified 74 company matches for safety valve testing services associated with the United States as of November 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?
Techcorr Usa, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most safety valve testing services?
Houston leads with 6 company records, followed by Chandler (3) and Corpus Christi (3).
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 395 professional contacts with verified work emails tracked across these 74 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 November 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 74 safety valve testing services based in the United States. Start with a free account, no credit card.
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Safety valve testing services 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
- Safety valve testing services based in Brazil
- Safety valve testing services based in Italy
- Safety valve testing services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 safety valve testing services 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 74 matching company records for safety valve testing services based in the United States, with 1,510 tracked contacts and 395 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: November 1, 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 safety valve testing services 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 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 170 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CGI Coastal Gulf & Internationalcoastalgulf.comHQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 132 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 101 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Diamond Technical Services, INCdiamondtechnicalservices.com HQ: Blairsville, PA, United StatesReported employees: 201-500 | Blairsville, PA, United States | 201-500 | Exact match | 91 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Total Valve Systemstotalvalve.com HQ: Broken Arrow, United StatesReported employees: 51-200 | Broken Arrow, United States | 51-200 | Exact match | 71 contacts → |
“Welcome to Total Valve Systems where we are celebrating 30 years of strong history and growth in servicing customers around the globe.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Flotechflotechinc.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 62 contacts → |
“Flotech provides valve repair, tube repairs, safety valve certification, valve actuation, control valve repair and new valves from locations throughout the US Southeast.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Citadel Engineering Companycec.ltdHQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Quadco, LLCquadcollc.com HQ: Anchorage, AK, United StatesReported employees: 51-200 | Anchorage, AK, United States | 51-200 | Exact match | 39 contacts → |
“Quadco, Inc.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Arpco Valves & Controls, LLCarpcovalves.comHQ: Kilgore, TX, United StatesReported employees: 11-50 | Kilgore, TX, United States | 11-50 | Exact match | 31 contacts → |
“Arpco Valves & Controls is a leader in the oil and gas surface safety systems industry.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bulldog Services LLPbulldogservices.com HQ: Williston, ND, United StatesReported employees: 11-50 | Williston, ND, United States | 11-50 | Exact match | 26 contacts → |
“Wellhead, Valve, and Pressure Control Experts, Trusted Field Service and Shop Solutions Bulldog Services provides inspection, testing, repair, and field services for critical oil…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Strancoistranco.com HQ: Houma, LA, United StatesReported employees: 51-200 | Houma, LA, United States | 51-200 | Exact match | 23 contacts → |
“Stranco delivers precision-driven industrial services, equipment rentals, calibration, and valve solutions for the oil & gas, petrochemical, refining, and pipeline industries…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | East Coast Valve Services, INCeastcoastvalve.com HQ: Groton, CT, United StatesReported employees: 11-50 | Groton, CT, United States | 11-50 | Exact match | 19 contacts → |
“Trillium Flow Technologies™ Atwood & Morrill® - Valves For All Turbine, Main Steam & Feed Water Applications Trillium Flow Technologies™ Sarasin-RSBD® - Safety Valves For All…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Flow Control Servicesflowcontrolserv.com HQ: Scott, LA, United StatesReported employees: 51-200 | Scott, LA, United States | 51-200 | Exact match | 18 contacts → |
“Flow Control Services, LLC, was established in Louisiana in 2010 as a division of Flow Control Equipment, LLC in order to provide the highest quality service to equipment serving…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | First Instrument Solutions, LTDcalibrationdepot.com HQ: Corpus Christi, United StatesReported employees: 11-50 | Corpus Christi, United States | 11-50 | Exact match | 15 contacts → |
“Instumentation, Relief Valves, Cathodic Protection Sales & Service, as well as Test Equipment Certification Services.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Custom Valve Repaircustom-valve.com HQ: New Castle, PA, United StatesReported employees: 11-50 | New Castle, PA, United States | 11-50 | Exact match | 10 contacts → |
“Custom Valve in 10 seconds or less.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Whitehouse Laboratorieswhlabs.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“WH Labs (Whitehouse Laboratories) is an ISO 9001:2015, ISO/IEC 17025:2017, and AWS Accredited independent testing and analysis laboratory based in Houston, Texas, with ASME U&R…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Becker Boiler Co., INCbeckerboiler.com HQ: St. Francis, WI, United StatesReported employees: 11-50 | St. Francis, WI, United States | 11-50 | Exact match | 9 contacts → |
“Since 1956, Becker Boiler has been a leading provider of boiler and valve services for industrial and commercial facilities across Milwaukee, Madison, Fox Valley, Greater…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Code Steel Industrial Inspectionscodesteel.com HQ: Chandler, AZ, United StatesReported employees: 11-50 | Chandler, AZ, United States | 11-50 | Exact match | 6 contacts → |
“Code Steel Industrial Inspections is a versatile inspection company in Phoenix, AZ that concentrates on Tanks, Pressure Vessels, and Piping.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Arizona Boiler Inspectors LLCstateboilerinspectors.com HQ: Chandler, AZ, United StatesReported employees: 11-50 | Chandler, AZ, United States | 11-50 | Exact match | 6 contacts → |
“NB 369 National Board of Boiler and Pressure Vessel Certified Inspections & Authorized Inspection Agency (AIA).” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Balconbalcontab.com HQ: Council Bluffs, IA, United StatesReported employees: 11-50 | Council Bluffs, IA, United States | 11-50 | Exact match | 6 contacts → |
“Lab Certifications and TAB Testing: BalCon is an industry leader who has been ensuring equipment efficiency and safety for over 25 years.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Quality Industrial Services, LLCqindustrialservices.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Stewart's Integrity Services, LLCstewartsint.com HQ: Silsbee, TX, United StatesReported employees: 1-10 | Silsbee, TX, United States | 1-10 | Exact match | 5 contacts → |
“SIS offers the most advanced analysis of pipeline pressure testing available, providing the safest and most reliable data logging for pressure testing in the industry.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Advance Valveadvancevalve.com HQ: Fenton, MO, United StatesReported employees: 1-10 | Fenton, MO, United States | 1-10 | Exact match | 4 contacts → |
“Advance Valve Inc is an ASME Code certified safety relief valve assembler and a National Board certified valve tester and repair specialist.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NWS Technologies, LLCnwstechnologies.com HQ: Spartanburg, SC, United StatesReported employees: 11-50 | Spartanburg, SC, United States | 11-50 | Exact match | 4 contacts → |
“Website: NWS Technologies is a privately owned Nuclear Valve Service Company in the business of off-site testing and repairing safety/relief valves for nuclear power plants.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 74 company matches
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Safety valve testing services: dataset insights
November 1, 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
74 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 74 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: November 1, 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 safety valve testing services?
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 safety valve testing services did RevenueBase find based in the United States?
The saved snapshot records 74 matching company records, 1,510 tracked contacts and 395 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: November 1, 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
Safety valve testing services by geography
Cite this list
RevenueBase Data Team. Top 25 safety valve testing services based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/safety-valve-testing-services/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
- Safety valve testing services based in Brazil
- Safety valve testing services based in Italy
- Safety valve testing services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 safety valve testing services based in the United States
RevenueBase records 74 matching company records for safety valve testing services based in the United States, with 1,510 tracked contacts and 395 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: November 1, 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 safety valve testing services 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 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 170 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CGI Coastal Gulf & Internationalcoastalgulf.com HQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 132 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 101 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Diamond Technical Services, INCdiamondtechnicalservices.com HQ: Blairsville, PA, United StatesReported employees: 201-500 | Blairsville, PA, United States | 201-500 | Exact match | 91 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Total Valve Systemstotalvalve.com HQ: Broken Arrow, United StatesReported employees: 51-200 | Broken Arrow, United States | 51-200 | Exact match | 71 contacts → |
“Welcome to Total Valve Systems where we are celebrating 30 years of strong history and growth in servicing customers around the globe.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Flotechflotechinc.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 62 contacts → |
“Flotech provides valve repair, tube repairs, safety valve certification, valve actuation, control valve repair and new valves from locations throughout the US Southeast.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Citadel Engineering Companycec.ltd HQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 47 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Quadco, LLCquadcollc.com HQ: Anchorage, AK, United StatesReported employees: 51-200 | Anchorage, AK, United States | 51-200 | Exact match | 39 contacts → |
“Quadco, Inc.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Arpco Valves & Controls, LLCarpcovalves.com HQ: Kilgore, TX, United StatesReported employees: 11-50 | Kilgore, TX, United States | 11-50 | Exact match | 31 contacts → |
“Arpco Valves & Controls is a leader in the oil and gas surface safety systems industry.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bulldog Services LLPbulldogservices.com HQ: Williston, ND, United StatesReported employees: 11-50 | Williston, ND, United States | 11-50 | Exact match | 26 contacts → |
“Wellhead, Valve, and Pressure Control Experts, Trusted Field Service and Shop Solutions Bulldog Services provides inspection, testing, repair, and field services for critical oil…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Strancoistranco.com HQ: Houma, LA, United StatesReported employees: 51-200 | Houma, LA, United States | 51-200 | Exact match | 23 contacts → |
“Stranco delivers precision-driven industrial services, equipment rentals, calibration, and valve solutions for the oil & gas, petrochemical, refining, and pipeline industries…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | East Coast Valve Services, INCeastcoastvalve.com HQ: Groton, CT, United StatesReported employees: 11-50 | Groton, CT, United States | 11-50 | Exact match | 19 contacts → |
“Trillium Flow Technologies™ Atwood & Morrill® - Valves For All Turbine, Main Steam & Feed Water Applications Trillium Flow Technologies™ Sarasin-RSBD® - Safety Valves For All…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Flow Control Servicesflowcontrolserv.com HQ: Scott, LA, United StatesReported employees: 51-200 | Scott, LA, United States | 51-200 | Exact match | 18 contacts → |
“Flow Control Services, LLC, was established in Louisiana in 2010 as a division of Flow Control Equipment, LLC in order to provide the highest quality service to equipment serving…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | First Instrument Solutions, LTDcalibrationdepot.com HQ: Corpus Christi, United StatesReported employees: 11-50 | Corpus Christi, United States | 11-50 | Exact match | 15 contacts → |
“Instumentation, Relief Valves, Cathodic Protection Sales & Service, as well as Test Equipment Certification Services.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Custom Valve Repaircustom-valve.com HQ: New Castle, PA, United StatesReported employees: 11-50 | New Castle, PA, United States | 11-50 | Exact match | 10 contacts → |
“Custom Valve in 10 seconds or less.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Whitehouse Laboratorieswhlabs.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“WH Labs (Whitehouse Laboratories) is an ISO 9001:2015, ISO/IEC 17025:2017, and AWS Accredited independent testing and analysis laboratory based in Houston, Texas, with ASME U&R…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Becker Boiler Co., INCbeckerboiler.com HQ: St. Francis, WI, United StatesReported employees: 11-50 | St. Francis, WI, United States | 11-50 | Exact match | 9 contacts → |
“Since 1956, Becker Boiler has been a leading provider of boiler and valve services for industrial and commercial facilities across Milwaukee, Madison, Fox Valley, Greater…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Code Steel Industrial Inspectionscodesteel.com HQ: Chandler, AZ, United StatesReported employees: 11-50 | Chandler, AZ, United States | 11-50 | Exact match | 6 contacts → |
“Code Steel Industrial Inspections is a versatile inspection company in Phoenix, AZ that concentrates on Tanks, Pressure Vessels, and Piping.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Arizona Boiler Inspectors LLCstateboilerinspectors.com HQ: Chandler, AZ, United StatesReported employees: 11-50 | Chandler, AZ, United States | 11-50 | Exact match | 6 contacts → |
“NB 369 National Board of Boiler and Pressure Vessel Certified Inspections & Authorized Inspection Agency (AIA).” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Balconbalcontab.com HQ: Council Bluffs, IA, United StatesReported employees: 11-50 | Council Bluffs, IA, United States | 11-50 | Exact match | 6 contacts → |
“Lab Certifications and TAB Testing: BalCon is an industry leader who has been ensuring equipment efficiency and safety for over 25 years.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Quality Industrial Services, LLCqindustrialservices.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Stewart's Integrity Services, LLCstewartsint.com HQ: Silsbee, TX, United StatesReported employees: 1-10 | Silsbee, TX, United States | 1-10 | Exact match | 5 contacts → |
“SIS offers the most advanced analysis of pipeline pressure testing available, providing the safest and most reliable data logging for pressure testing in the industry.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Advance Valveadvancevalve.com HQ: Fenton, MO, United StatesReported employees: 1-10 | Fenton, MO, United States | 1-10 | Exact match | 4 contacts → |
“Advance Valve Inc is an ASME Code certified safety relief valve assembler and a National Board certified valve tester and repair specialist.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NWS Technologies, LLCnwstechnologies.com HQ: Spartanburg, SC, United StatesReported employees: 11-50 | Spartanburg, SC, United States | 11-50 | Exact match | 4 contacts → |
“Website: NWS Technologies is a privately owned Nuclear Valve Service Company in the business of off-site testing and repairing safety/relief valves for nuclear power plants.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 74 company matches
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Safety valve testing services: dataset insights
November 1, 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
74 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 74 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: November 1, 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 safety valve testing services?
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 safety valve testing services did RevenueBase find based in the United States?
The saved snapshot records 74 matching company records, 1,510 tracked contacts and 395 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: November 1, 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
Safety valve testing services by geography
Cite this list
RevenueBase Data Team. Top 25 safety valve testing services based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/safety-valve-testing-services/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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