Company lists · Data refreshed September 2026
Top 25 Backflow prevention testing companies based in the United States
RevenueBase identified 182 company matches for backflow prevention testing companies associated with the United States as of September 2026 and tracks 1,023 professional contacts across them, including 391 with verified work emails. Houston is the largest hub.
This list covers company matches for backflow prevention testing companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 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 backflow prevention testing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 125 contacts → | ||||
Exact match “Metro Fire Equipment Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 87 contacts → | ||||
Exact match “For more than four decades, HydroCorp has been dedicated to protecting piping infrastructure, ensuring safe drinking water, and supporting regulatory compliance across industries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 67 contacts → | ||||
Exact match “Demar began as a small, family-owned company, providing plumbing services to the NYC area.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 60 contacts → | ||||
Exact match “Fire Safety First is a Southern California full-service fire protection company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 48 contacts → | ||||
Exact match “Zurn Wilkins manufactures the highest value backflow preventers, pressure regulators, and water control products for the plumbing, irrigation, fire protection, and waterworks…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 41 contacts → | ||||
Exact match “Metropolitan Fire Protection has worked diligently to become the number one residential and commercial sprinkler contractor in our area.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “Backflow Solutions, Inc, or BSI, is the nation’s most recognized backflow data management firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 33 contacts → | ||||
Exact match “American Backflow Products Company is a master distributor of backflow preventer repair parts, testing equipment, enclosures, tools and accessories.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Backflows Northwest is a licensed and insured backflow test and repair company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Gold Seal Mechanical, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “American Backflow and Fire Prevention (ABFP) is a full service backflow, fire safety, and plumbing company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Nifco Mechanical Systems is a construction company based out of 500 BLUE HERON CT, LINCOLN, Nebraska, United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “Our courteous and skilled staff provides 24 hour emergency service to all 5 boroughs, Long Island & Westchester.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Double D Fire, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “At Horn's Backflow & Plumbing, we specialize in delivering reliable, code-compliant backflow prevention and plumbing services for commercial and residential customers across La…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “A Professional Fire Protection company putting Customers #1.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “A1 Fire Protection LLC is a trusted, locally owned fire suppression company specializing in fire sprinkler and backflow service and inspections.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “HEDRICK FIRE PROTECTION is a company based out of 13309 CENTRAL AVENUE, CHINO, California, United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Flamingo Plumbing & Backflow is a licensed South Florida plumbing contractor serving commercial and residential clients since 1992.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “RBK Fire Systems is growing!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match “GCS Backflow Services Inc is the premier provider of backflow test and repair services in the greater Houston, Texas, area.” Recorded in the RevenueBase company graph · Sep 19, 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 “backflow prevention testing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 182 backflow prevention testing companies based in the United States
See the full list, filter by size, metro and specialty, and access 391 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Backflow prevention testing companies based in the United States at a glance
As of Sep 19, 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 182 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 “backflow prevention testing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 391 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 September 19, 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 “backflow prevention testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many backflow prevention testing companies are there based in the United States?
RevenueBase identified 182 company matches for backflow prevention testing companies associated with the United States as of September 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?
Metro Fire And Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most backflow prevention testing companies?
Houston leads with 3 company records, followed by Los Angeles (3) and New York (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 391 professional contacts with verified work emails tracked across these 182 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 182 backflow prevention testing companies 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
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- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 backflow prevention testing companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 182 matching company records for backflow prevention testing companies based in the United States, with 1,023 tracked contacts and 391 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: September 19, 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 backflow prevention testing companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Metro Fire And Securitymetrofireaz.comHQ: Gilbert, AZ, United StatesReported employees: 201-500 | Gilbert, AZ, United States | 201-500 | Exact match | 125 contacts → |
“Metro Fire Equipment Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hydrocorphydrocorpinc.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 87 contacts → |
“For more than four decades, HydroCorp has been dedicated to protecting piping infrastructure, ensuring safe drinking water, and supporting regulatory compliance across industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Demar Plumbing Corp. Demar Mechanical INCdemarnyc.com HQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 67 contacts → |
“Demar began as a small, family-owned company, providing plumbing services to the NYC area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Fire Safety Firstfiresafetyfirst.com HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 60 contacts → |
“Fire Safety First is a Southern California full-service fire protection company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Zurn Wilkinszurn.com HQ: Paso Robles, CA, United StatesReported employees: 51-200 | Paso Robles, CA, United States | 51-200 | Exact match | 48 contacts → |
“Zurn Wilkins manufactures the highest value backflow preventers, pressure regulators, and water control products for the plumbing, irrigation, fire protection, and waterworks…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metropolitan Fire Protectionmetfire.com HQ: Clinton, MD, United StatesReported employees: 51-200 | Clinton, MD, United States | 51-200 | Exact match | 41 contacts → |
“Metropolitan Fire Protection has worked diligently to become the number one residential and commercial sprinkler contractor in our area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Backflow Solutions, Inc. BSI Onlinebackflow.com HQ: Alsip, IL, United StatesReported employees: 51-200 | Alsip, IL, United States | 51-200 | Exact match | 40 contacts → |
“Backflow Solutions, Inc, or BSI, is the nation’s most recognized backflow data management firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | American Backflow Productsbackflowparts.com HQ: Tallahassee, FL, United StatesReported employees: 11-50 | Tallahassee, FL, United States | 11-50 | Exact match | 33 contacts → |
“American Backflow Products Company is a master distributor of backflow preventer repair parts, testing equipment, enclosures, tools and accessories.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Backflows Northwest, INCbackflowsnorthwest.com HQ: Bellevue, WA, United StatesReported employees: 1-10 | Bellevue, WA, United States | 1-10 | Exact match | 16 contacts → |
“Backflows Northwest is a licensed and insured backflow test and repair company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Gold Seal Plumbinggoldsealplumbing.com HQ: Spokane Valley, WA, United StatesReported employees: 51-200 | Spokane Valley, WA, United States | 51-200 | Exact match | 15 contacts → |
“Gold Seal Mechanical, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  American Backflow & Fire Preventionamericanbackflowprevention.comHQ: Wauconda, IL, United StatesReported employees: 11-50 | Wauconda, IL, United States | 11-50 | Exact match | 14 contacts → |
“American Backflow and Fire Prevention (ABFP) is a full service backflow, fire safety, and plumbing company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nifco Mechanical Systemsnifcomechanical.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 13 contacts → |
“Nifco Mechanical Systems is a construction company based out of 500 BLUE HERON CT, LINCOLN, Nebraska, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Superior Plumbing, Heating, & Mechanical, LLCsuperiorphm.com HQ: Ozone Park, NY, United StatesReported employees: 11-50 | Ozone Park, NY, United States | 11-50 | Exact match | 13 contacts → |
“Our courteous and skilled staff provides 24 hour emergency service to all 5 boroughs, Long Island & Westchester.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DD Fire, INCddfire.com HQ: Forney, TX, United StatesReported employees: 11-50 | Forney, TX, United States | 11-50 | Exact match | 11 contacts → |
“Double D Fire, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Backflow Prevention Specialists, INCbackflow-prevention.com HQ: Sunnyvale, CA, United StatesReported employees: 11-50 | Sunnyvale, CA, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Horn's Backflow And Plumbing Service, INChornsbackflow.com HQ: Santa Clarita, CA, United StatesReported employees: 11-50 | Santa Clarita, CA, United States | 11-50 | Exact match | 9 contacts → |
“At Horn's Backflow & Plumbing, we specialize in delivering reliable, code-compliant backflow prevention and plumbing services for commercial and residential customers across La…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Astra Backflowastrabackflow.com HQ: Newbury Park, CA, United StatesReported employees: 11-50 | Newbury Park, CA, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Calculated Fire Protection COcalculatedfire.com HQ: Billings, NY, United StatesReported employees: 11-50 | Billings, NY, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Protec Fire System Servicesprotec-ohio.com HQ: Harrison, OH, United StatesReported employees: 1-10 | Harrison, OH, United States | 1-10 | Exact match | 8 contacts → |
“A Professional Fire Protection company putting Customers #1.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  A1 Fire Protection LLCa1fireprotectionfl.comHQ: Hollywood, FL, United StatesReported employees: 1-10 | Hollywood, FL, United States | 1-10 | Exact match | 8 contacts → |
“A1 Fire Protection LLC is a trusted, locally owned fire suppression company specializing in fire sprinkler and backflow service and inspections.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hedrick Fire Protectionhedrickfireprotection.com HQ: Chino, CA, United StatesReported employees: 11-50 | Chino, CA, United States | 11-50 | Exact match | 7 contacts → |
“HEDRICK FIRE PROTECTION is a company based out of 13309 CENTRAL AVENUE, CHINO, California, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Flamingo Plumbing & Backflow Servicesflamingoplumbing.com HQ: West Palm Beach, FL, United StatesReported employees: 11-50 | West Palm Beach, FL, United States | 11-50 | Exact match | 7 contacts → |
“Flamingo Plumbing & Backflow is a licensed South Florida plumbing contractor serving commercial and residential clients since 1992.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | RBK Fire Systems INCrbkfiresystems.com HQ: West Palm Beach, FL, United StatesReported employees: 11-50 | West Palm Beach, FL, United States | 11-50 | Exact match | 7 contacts → |
“RBK Fire Systems is growing!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Allied Flow Specialists, INCalliedflow.comHQ: Waxahachie, TX, United StatesReported employees: 11-50 | Waxahachie, TX, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | GCS Backflow Services, INCgcsbackflow.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“GCS Backflow Services Inc is the premier provider of backflow test and repair services in the greater Houston, Texas, area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 182 company matches
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Backflow prevention testing companies: dataset insights
September 19, 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
181 records in the displayed employee bands.
1 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 182 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: September 19, 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 backflow prevention testing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many backflow prevention testing companies did RevenueBase find based in the United States?
The saved snapshot records 182 matching company records, 1,023 tracked contacts and 391 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: September 19, 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
Cite this list
RevenueBase Data Team. Top 25 backflow prevention testing companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/backflow-prevention-testing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 backflow prevention testing companies based in the United States
RevenueBase records 182 matching company records for backflow prevention testing companies based in the United States, with 1,023 tracked contacts and 391 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: September 19, 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 backflow prevention testing companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Metro Fire And Securitymetrofireaz.com HQ: Gilbert, AZ, United StatesReported employees: 201-500 | Gilbert, AZ, United States | 201-500 | Exact match | 125 contacts → |
“Metro Fire Equipment Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hydrocorphydrocorpinc.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 87 contacts → |
“For more than four decades, HydroCorp has been dedicated to protecting piping infrastructure, ensuring safe drinking water, and supporting regulatory compliance across industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Demar Plumbing Corp. Demar Mechanical INCdemarnyc.com HQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 67 contacts → |
“Demar began as a small, family-owned company, providing plumbing services to the NYC area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Fire Safety Firstfiresafetyfirst.com HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 60 contacts → |
“Fire Safety First is a Southern California full-service fire protection company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Zurn Wilkinszurn.com HQ: Paso Robles, CA, United StatesReported employees: 51-200 | Paso Robles, CA, United States | 51-200 | Exact match | 48 contacts → |
“Zurn Wilkins manufactures the highest value backflow preventers, pressure regulators, and water control products for the plumbing, irrigation, fire protection, and waterworks…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metropolitan Fire Protectionmetfire.com HQ: Clinton, MD, United StatesReported employees: 51-200 | Clinton, MD, United States | 51-200 | Exact match | 41 contacts → |
“Metropolitan Fire Protection has worked diligently to become the number one residential and commercial sprinkler contractor in our area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Backflow Solutions, Inc. BSI Onlinebackflow.com HQ: Alsip, IL, United StatesReported employees: 51-200 | Alsip, IL, United States | 51-200 | Exact match | 40 contacts → |
“Backflow Solutions, Inc, or BSI, is the nation’s most recognized backflow data management firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | American Backflow Productsbackflowparts.com HQ: Tallahassee, FL, United StatesReported employees: 11-50 | Tallahassee, FL, United States | 11-50 | Exact match | 33 contacts → |
“American Backflow Products Company is a master distributor of backflow preventer repair parts, testing equipment, enclosures, tools and accessories.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Backflows Northwest, INCbackflowsnorthwest.com HQ: Bellevue, WA, United StatesReported employees: 1-10 | Bellevue, WA, United States | 1-10 | Exact match | 16 contacts → |
“Backflows Northwest is a licensed and insured backflow test and repair company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Gold Seal Plumbinggoldsealplumbing.com HQ: Spokane Valley, WA, United StatesReported employees: 51-200 | Spokane Valley, WA, United States | 51-200 | Exact match | 15 contacts → |
“Gold Seal Mechanical, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | American Backflow & Fire Preventionamericanbackflowprevention.com HQ: Wauconda, IL, United StatesReported employees: 11-50 | Wauconda, IL, United States | 11-50 | Exact match | 14 contacts → |
“American Backflow and Fire Prevention (ABFP) is a full service backflow, fire safety, and plumbing company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nifco Mechanical Systemsnifcomechanical.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 13 contacts → |
“Nifco Mechanical Systems is a construction company based out of 500 BLUE HERON CT, LINCOLN, Nebraska, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Superior Plumbing, Heating, & Mechanical, LLCsuperiorphm.com HQ: Ozone Park, NY, United StatesReported employees: 11-50 | Ozone Park, NY, United States | 11-50 | Exact match | 13 contacts → |
“Our courteous and skilled staff provides 24 hour emergency service to all 5 boroughs, Long Island & Westchester.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DD Fire, INCddfire.com HQ: Forney, TX, United StatesReported employees: 11-50 | Forney, TX, United States | 11-50 | Exact match | 11 contacts → |
“Double D Fire, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Backflow Prevention Specialists, INCbackflow-prevention.com HQ: Sunnyvale, CA, United StatesReported employees: 11-50 | Sunnyvale, CA, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Horn's Backflow And Plumbing Service, INChornsbackflow.com HQ: Santa Clarita, CA, United StatesReported employees: 11-50 | Santa Clarita, CA, United States | 11-50 | Exact match | 9 contacts → |
“At Horn's Backflow & Plumbing, we specialize in delivering reliable, code-compliant backflow prevention and plumbing services for commercial and residential customers across La…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Astra Backflowastrabackflow.com HQ: Newbury Park, CA, United StatesReported employees: 11-50 | Newbury Park, CA, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Calculated Fire Protection COcalculatedfire.com HQ: Billings, NY, United StatesReported employees: 11-50 | Billings, NY, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Protec Fire System Servicesprotec-ohio.com HQ: Harrison, OH, United StatesReported employees: 1-10 | Harrison, OH, United States | 1-10 | Exact match | 8 contacts → |
“A Professional Fire Protection company putting Customers #1.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | A1 Fire Protection LLCa1fireprotectionfl.com HQ: Hollywood, FL, United StatesReported employees: 1-10 | Hollywood, FL, United States | 1-10 | Exact match | 8 contacts → |
“A1 Fire Protection LLC is a trusted, locally owned fire suppression company specializing in fire sprinkler and backflow service and inspections.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hedrick Fire Protectionhedrickfireprotection.com HQ: Chino, CA, United StatesReported employees: 11-50 | Chino, CA, United States | 11-50 | Exact match | 7 contacts → |
“HEDRICK FIRE PROTECTION is a company based out of 13309 CENTRAL AVENUE, CHINO, California, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Flamingo Plumbing & Backflow Servicesflamingoplumbing.com HQ: West Palm Beach, FL, United StatesReported employees: 11-50 | West Palm Beach, FL, United States | 11-50 | Exact match | 7 contacts → |
“Flamingo Plumbing & Backflow is a licensed South Florida plumbing contractor serving commercial and residential clients since 1992.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | RBK Fire Systems INCrbkfiresystems.com HQ: West Palm Beach, FL, United StatesReported employees: 11-50 | West Palm Beach, FL, United States | 11-50 | Exact match | 7 contacts → |
“RBK Fire Systems is growing!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Allied Flow Specialists, INCalliedflow.com HQ: Waxahachie, TX, United StatesReported employees: 11-50 | Waxahachie, TX, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | GCS Backflow Services, INCgcsbackflow.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“GCS Backflow Services Inc is the premier provider of backflow test and repair services in the greater Houston, Texas, area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 182 company matches
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Backflow prevention testing companies: dataset insights
September 19, 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
181 records in the displayed employee bands.
1 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 182 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: September 19, 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 backflow prevention testing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many backflow prevention testing companies did RevenueBase find based in the United States?
The saved snapshot records 182 matching company records, 1,023 tracked contacts and 391 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: September 19, 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
Cite this list
RevenueBase Data Team. Top 25 backflow prevention testing companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/backflow-prevention-testing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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