Company lists · Data refreshed November 2026
Top 25 Valve testing services based in the United States
RevenueBase identified 170 company matches for valve testing services associated with the United States as of November 2026 and tracks 3,012 professional contacts across them, including 969 with verified work emails. Houston is the largest hub.
This list covers company matches for 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 3, 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 valve testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 238 contacts → | ||||
Exact match “MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 2 | 179 contacts → | ||||
Exact match “The TechCorr name is synonymous with safe, quality inspection services.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 3 | 133 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 3, 2026 · View company records in RevenueBase | |||||
| 4 | 133 contacts → | ||||
Exact match “For more than 35 years, Bay Valve Service has been the leading provider of valve maintenance and repair services throughout the Western United States for industries including oil…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 5 | 106 contacts → | ||||
Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 6 | 94 contacts → | ||||
Exact match “Valsource is an industrial valve repair and maintenance services company located in Pasadena, TX, Port Allen, LA, and Memphis, TN servicing all major OEMs including but not…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 7 | 75 contacts → | ||||
Exact match “Welcome to Total Valve Systems where we are celebrating 40 years of strong history and growth in servicing customers around the globe.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 8 | 72 contacts → | ||||
Exact match “Caliber Valve & Controls is a valve and services provider in the industrial manufacturing industry.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 9 | 70 contacts → | ||||
Exact match “Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 68 contacts → | ||||
Exact match “TRP Laboratories provides standard and custom testing services across the United States.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 11 | 64 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 3, 2026 · View company records in RevenueBase | |||||
| 12 | 56 contacts → | ||||
Exact match “Millennium Power Services is a full-service industrial valve repair shop and manufacturer of valve parts, with locations in Massachusetts, Maine, and Virginia.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 13 | 56 contacts → | ||||
Exact match “Hunt Valve, powered by Fairbanks Morse Defense, is an aggressive, small specialty valve engineering and manufacturing company with tremendous capabilities to serve the Navy market…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 14 | 54 contacts → | ||||
Exact match “As our name states, we are "The Valve Service Specialists".” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match “PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 40 contacts → | ||||
Exact match “Quadco, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 36 contacts → | ||||
Exact match “Our mission is to provide the highest industry standards through quality inspection & testing.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 32 contacts → | ||||
Exact match “Midwest Valve Services repairs all types and makes of valves for various process industries such as chemical, refinery, power, ethanol, oil & gas, and many others.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 30 contacts → | ||||
Exact match “Southern Valve Service is committed to providing a complete set of precision valve services, including our unique role in facilitating communications between valve OEMs and end…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 30 contacts → | ||||
Exact match “NMK Resources is a distinguished independent inspection and laboratory service provider, trusted by major oil companies across the United States and globally.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 28 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 3, 2026 · View company records in RevenueBase | |||||
| 22 | 27 contacts → | ||||
Exact match “Infinity Valve & Supply is an oil & energy company based out of 351 Griffin Rd, Youngsville, Louisiana, United States.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 23 | 26 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 3, 2026 · View company records in RevenueBase | |||||
| 24 | 26 contacts → | ||||
Exact match “Established in 1939, we are one of the oldest and most experienced metallurgical testing laboratories in the United States.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 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 “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 170 valve testing services based in the United States
See the full list, filter by size, metro and specialty, and access 969 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Valve testing services based in the United States at a glance
As of Nov 3, 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 170 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 “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 969 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 3, 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 “valve testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many valve testing services are there based in the United States?
RevenueBase identified 170 company matches for 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?
MGA Research Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most valve testing services?
Houston leads with 22 company records, followed by Midland (5) and Corpus Christi (4).
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 969 professional contacts with verified work emails tracked across these 170 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 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 170 valve testing services based in the United States. Start with a free account, no credit card.
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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
Company intelligence · public preview
Top 25 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 170 matching company records for valve testing services based in the United States, with 3,012 tracked contacts and 969 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 3, 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 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 |  MGA Research Corporationmgaresearch.comHQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 179 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CGI Coastal Gulf & Internationalcoastalgulf.comHQ: Saint Rose, TX, United StatesReported employees: 201-500 | Saint Rose, TX, United States | 201-500 | Exact match | 133 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | BAY Valve Service & Engineering LLCbay-valve.com HQ: Tukwila, CO, United StatesReported employees: 201-500 | Tukwila, CO, United States | 201-500 | Exact match | 133 contacts → |
“For more than 35 years, Bay Valve Service has been the leading provider of valve maintenance and repair services throughout the Western United States for industries including oil…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 106 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Valsourcevalsource.net HQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 94 contacts → |
“Valsource is an industrial valve repair and maintenance services company located in Pasadena, TX, Port Allen, LA, and Memphis, TN servicing all major OEMs including but not…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Total Valve Systemstotalvalve.com HQ: Broken Arrow, United StatesReported employees: 51-200 | Broken Arrow, United States | 51-200 | Exact match | 75 contacts → |
“Welcome to Total Valve Systems where we are celebrating 40 years of strong history and growth in servicing customers around the globe.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Caliber Valve And Controlscalibervalve.com HQ: Lake Charles, LA, United StatesReported employees: Not recorded | Lake Charles, LA, United States | Not recorded | Exact match | 72 contacts → |
“Caliber Valve & Controls is a valve and services provider in the industrial manufacturing industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Texas Oiltech Laboratoriestol-lp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  TRP Laboratoriestrplabs.comHQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 68 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Flotechflotechinc.com HQ: Jacksonville, SC, United StatesReported employees: 51-200 | Jacksonville, SC, United States | 51-200 | Exact match | 64 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Millennium Power Servicesmillenniumpower.net HQ: Westfield, ME, United StatesReported employees: 51-200 | Westfield, ME, United States | 51-200 | Exact match | 56 contacts → |
“Millennium Power Services is a full-service industrial valve repair shop and manufacturer of valve parts, with locations in Massachusetts, Maine, and Virginia.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hunt Valve Company, INChuntvalve.com HQ: Salem, OH, United StatesReported employees: 11-50 | Salem, OH, United States | 11-50 | Exact match | 56 contacts → |
“Hunt Valve, powered by Fairbanks Morse Defense, is an aggressive, small specialty valve engineering and manufacturing company with tremendous capabilities to serve the Navy market…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | United Valveunitedvalve.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“As our name states, we are "The Valve Service Specialists".” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quadco, LLCquadcollc.com HQ: Anchorage, AK, United StatesReported employees: 51-200 | Anchorage, AK, United States | 51-200 | Exact match | 40 contacts → |
“Quadco, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | West Coast Inspection Serviceswcis-corp.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 36 contacts → |
“Our mission is to provide the highest industry standards through quality inspection & testing.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Midwest Valve Servicesmwvalve.com HQ: Des Moines, IA, United StatesReported employees: 11-50 | Des Moines, IA, United States | 11-50 | Exact match | 32 contacts → |
“Midwest Valve Services repairs all types and makes of valves for various process industries such as chemical, refinery, power, ethanol, oil & gas, and many others.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Southern Valve Service INCsouthernvalve.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 30 contacts → |
“Southern Valve Service is committed to providing a complete set of precision valve services, including our unique role in facilitating communications between valve OEMs and end…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NMK Resources, INCnmkresources.com HQ: Thorofare, NJ, United StatesReported employees: 51-200 | Thorofare, NJ, United States | 51-200 | Exact match | 30 contacts → |
“NMK Resources is a distinguished independent inspection and laboratory service provider, trusted by major oil companies across the United States and globally.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bulldog Services LLPbulldogservices.com HQ: Williston, LA, United StatesReported employees: 11-50 | Williston, LA, United States | 11-50 | Exact match | 28 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Infinity Valve & Supplyinfinityvalve.com HQ: Youngsville, LA, United StatesReported employees: 11-50 | Youngsville, LA, United States | 11-50 | Exact match | 27 contacts → |
“Infinity Valve & Supply is an oil & energy company based out of 351 Griffin Rd, Youngsville, Louisiana, United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Strancoistranco.com HQ: Houma, TX, United StatesReported employees: 51-200 | Houma, TX, United States | 51-200 | Exact match | 26 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Anderson Laboratories, INCandersonlabs.comHQ: Greendale, WI, United StatesReported employees: 11-50 | Greendale, WI, United States | 11-50 | Exact match | 26 contacts → |
“Established in 1939, we are one of the oldest and most experienced metallurgical testing laboratories in the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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. | |||||
Showing 25 of 170 company matches
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Valve testing services: dataset insights
November 3, 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
170 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 170 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 3, 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 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 valve testing services did RevenueBase find based in the United States?
The saved snapshot records 170 matching company records, 3,012 tracked contacts and 969 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 3, 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
Valve testing services by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 valve testing services based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/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
Company intelligence · public preview
Top 25 valve testing services based in the United States
RevenueBase records 170 matching company records for valve testing services based in the United States, with 3,012 tracked contacts and 969 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 3, 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 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 | MGA Research Corporationmgaresearch.com HQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 179 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CGI Coastal Gulf & Internationalcoastalgulf.com HQ: Saint Rose, TX, United StatesReported employees: 201-500 | Saint Rose, TX, United States | 201-500 | Exact match | 133 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | BAY Valve Service & Engineering LLCbay-valve.com HQ: Tukwila, CO, United StatesReported employees: 201-500 | Tukwila, CO, United States | 201-500 | Exact match | 133 contacts → |
“For more than 35 years, Bay Valve Service has been the leading provider of valve maintenance and repair services throughout the Western United States for industries including oil…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 106 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Valsourcevalsource.net HQ: Pasadena, TX, United StatesReported employees: 51-200 | Pasadena, TX, United States | 51-200 | Exact match | 94 contacts → |
“Valsource is an industrial valve repair and maintenance services company located in Pasadena, TX, Port Allen, LA, and Memphis, TN servicing all major OEMs including but not…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Total Valve Systemstotalvalve.com HQ: Broken Arrow, United StatesReported employees: 51-200 | Broken Arrow, United States | 51-200 | Exact match | 75 contacts → |
“Welcome to Total Valve Systems where we are celebrating 40 years of strong history and growth in servicing customers around the globe.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Caliber Valve And Controlscalibervalve.com HQ: Lake Charles, LA, United StatesReported employees: Not recorded | Lake Charles, LA, United States | Not recorded | Exact match | 72 contacts → |
“Caliber Valve & Controls is a valve and services provider in the industrial manufacturing industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Texas Oiltech Laboratoriestol-lp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | TRP Laboratoriestrplabs.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 68 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Flotechflotechinc.com HQ: Jacksonville, SC, United StatesReported employees: 51-200 | Jacksonville, SC, United States | 51-200 | Exact match | 64 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Millennium Power Servicesmillenniumpower.net HQ: Westfield, ME, United StatesReported employees: 51-200 | Westfield, ME, United States | 51-200 | Exact match | 56 contacts → |
“Millennium Power Services is a full-service industrial valve repair shop and manufacturer of valve parts, with locations in Massachusetts, Maine, and Virginia.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hunt Valve Company, INChuntvalve.com HQ: Salem, OH, United StatesReported employees: 11-50 | Salem, OH, United States | 11-50 | Exact match | 56 contacts → |
“Hunt Valve, powered by Fairbanks Morse Defense, is an aggressive, small specialty valve engineering and manufacturing company with tremendous capabilities to serve the Navy market…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | United Valveunitedvalve.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“As our name states, we are "The Valve Service Specialists".” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quadco, LLCquadcollc.com HQ: Anchorage, AK, United StatesReported employees: 51-200 | Anchorage, AK, United States | 51-200 | Exact match | 40 contacts → |
“Quadco, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | West Coast Inspection Serviceswcis-corp.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 36 contacts → |
“Our mission is to provide the highest industry standards through quality inspection & testing.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Midwest Valve Servicesmwvalve.com HQ: Des Moines, IA, United StatesReported employees: 11-50 | Des Moines, IA, United States | 11-50 | Exact match | 32 contacts → |
“Midwest Valve Services repairs all types and makes of valves for various process industries such as chemical, refinery, power, ethanol, oil & gas, and many others.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Southern Valve Service INCsouthernvalve.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 30 contacts → |
“Southern Valve Service is committed to providing a complete set of precision valve services, including our unique role in facilitating communications between valve OEMs and end…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NMK Resources, INCnmkresources.com HQ: Thorofare, NJ, United StatesReported employees: 51-200 | Thorofare, NJ, United States | 51-200 | Exact match | 30 contacts → |
“NMK Resources is a distinguished independent inspection and laboratory service provider, trusted by major oil companies across the United States and globally.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bulldog Services LLPbulldogservices.com HQ: Williston, LA, United StatesReported employees: 11-50 | Williston, LA, United States | 11-50 | Exact match | 28 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Infinity Valve & Supplyinfinityvalve.com HQ: Youngsville, LA, United StatesReported employees: 11-50 | Youngsville, LA, United States | 11-50 | Exact match | 27 contacts → |
“Infinity Valve & Supply is an oil & energy company based out of 351 Griffin Rd, Youngsville, Louisiana, United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Strancoistranco.com HQ: Houma, TX, United StatesReported employees: 51-200 | Houma, TX, United States | 51-200 | Exact match | 26 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Anderson Laboratories, INCandersonlabs.com HQ: Greendale, WI, United StatesReported employees: 11-50 | Greendale, WI, United States | 11-50 | Exact match | 26 contacts → |
“Established in 1939, we are one of the oldest and most experienced metallurgical testing laboratories in the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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. | |||||
Showing 25 of 170 company matches
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Valve testing services: dataset insights
November 3, 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
170 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 170 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 3, 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 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 valve testing services did RevenueBase find based in the United States?
The saved snapshot records 170 matching company records, 3,012 tracked contacts and 969 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 3, 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
Valve testing services by geography
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Cite this list
RevenueBase Data Team. Top 25 valve testing services based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/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 ↗