Company lists · Data refreshed September 2026
Top 25 Plumbing unions based in the United States
RevenueBase identified 2,441 company matches for plumbing unions associated with the United States as of September 2026 and tracks 24,388 professional contacts across them, including 6,498 with verified work emails. Houston is the largest hub.
This list covers company matches for plumbing unions 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 20, 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 plumbing unions based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,954 contacts → | ||||
Exact match “In 1858, one enterprising individual invested his life savings of $200 to start a business grinding key stops for plumbers in Philadelphia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 681 contacts → | ||||
Exact match “Since 1916, Oatey has provided reliable, high-quality products for the residential and commercial plumbing industries, with a commitment to delivering quality, building trust and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 579 contacts → | ||||
Exact match “Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 560 contacts → | ||||
Exact match “For over a century Charlotte Pipe and Foundry Company has been manufacturing pipe and fittings, employing more than 1500 loyal, hard-working Americans.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 460 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 434 contacts → | ||||
Exact match “Founded in 1947 - Pan-Pacific Mechanical, our "Mission is to be the best Plumbing and Mechanical subcontractor in California and the West by delivering exceptional customer…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 389 contacts → | ||||
Exact match “Southern Pipe & Supply is one of the largest, privately held, independent distributors and offers the very best of brand name plumbing, heating, air-conditioning (HVAC)…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 384 contacts → | ||||
Exact match “The International Union of Painters and Allied Trades.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 300 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 250 contacts → | ||||
Exact match “Pipeliners 798 is a trade union that provides the highest quality of pipeline welders to contractors across country.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 247 contacts → | ||||
Exact match “Plumber™ exclusively serves residential and commercial plumbing contractors and franchisees providing everything from repair work and pipe rehabilitation to water conditioning and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 148 contacts → | ||||
Exact match “UA Local 469 Plumbers and Pipefitters was chartered in 1910, two years before the State of Arizona became the 48th state.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 131 contacts → | ||||
Exact match “In 2022, the Professional Plumbing Group (PPG) joined the Marcone Group.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 126 contacts → | ||||
Exact match “Merit Brass: Connecting Your Success with Seamless Piping Solutions What does it take to keep industries flowing smoothly?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 121 contacts → | ||||
Exact match “Plumbing Manufacturers International (PMI) is the trade association of plumbing product manufacturers that produce more than 90 percent of the United States’ plumbing products…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 116 contacts → | ||||
Exact match “Fernco, has become synonymous with not only flexible couplings, but also an ever-expanding array of innovative commercial and consumer plumbing products.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 108 contacts → | ||||
Exact match “Kenny Pipe & Supply is a wholesale distributor of plumbing supplies, pipe, valves and fittings headquartered in Nashville, Tennessee.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 93 contacts → | ||||
Exact match “Jones Stephens is a leader of rough plumbing products with a strong brand built on providing 30 years of innovation for professional contractors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 89 contacts → | ||||
Exact match “Illinois-based Chicago Faucets is one of America’s most trusted names in commercial plumbing combining over a century of craftsmanship with forward-looking innovation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 80 contacts → | ||||
Exact match “Our products are built tough to withstand the rigors of professional use by plumbers & drain cleaners all day, every day.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 79 contacts → | ||||
Exact match “Local 290 is an oil & energy company based out of 20210 Sw Teton Ave, Tualatin, OR, United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 78 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 77 contacts → | ||||
Exact match “Dauenhauer Plumbing is Kentucky's largest full service plumbing company, serving residential and commercial customers in both the Louisville and Lexington areas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 73 contacts → | ||||
Exact match “Mr Rooter Plumbing is the leading provider of expert plumbing repair and service in the Brunswick and New Hanover County region of North Carolina.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 71 contacts → | ||||
Exact match “Plumbers and Pipefitters Local 562 is a construction company based out of St.” Recorded in the RevenueBase company graph · Sep 20, 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 “plumbing unions”. 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 2,441 plumbing unions based in the United States
See the full list, filter by size, metro and specialty, and access 6,498 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Plumbing unions based in the United States at a glance
As of Sep 20, 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 2,441 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 “plumbing unions” 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 6,498 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 20, 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.
Plumbing unions by metro
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 “plumbing unions”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many plumbing unions are there based in the United States?
RevenueBase identified 2,441 company matches for plumbing unions 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?
Hajoca Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most plumbing unions?
Houston leads with 31 company records, followed by Miami (30) and Dallas (28).
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 6,498 professional contacts with verified work emails tracked across these 2,441 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,441 plumbing unions based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Plumbing unions by geography
- Plumbing unions based in Miami, United States
- Plumbing unions based in Australia
- Plumbing unions based in Canada
- Plumbing unions based in Denmark
- Plumbing unions based in France
- Plumbing unions based in the Netherlands
- Plumbing unions based in New Zealand
- Plumbing unions based in Norway
- Plumbing unions based in South Africa
- Plumbing unions based in Sweden
- Plumbing unions based in the United Kingdom
Browse the directory
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 plumbing unions 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 2,441 matching company records for plumbing unions based in the United States, with 24,388 tracked contacts and 6,498 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 20, 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 plumbing unions 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 | Hajoca Corporationhajoca.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 1,954 contacts → |
“In 1858, one enterprising individual invested his life savings of $200 to start a business grinding key stops for plumbers in Philadelphia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Oatey Companyoatey.com HQ: Cleveland, OH, United StatesReported employees: 1,001-5,000 | Cleveland, OH, United States | 1,001-5,000 | Exact match | 681 contacts → |
“Since 1916, Oatey has provided reliable, high-quality products for the residential and commercial plumbing industries, with a commitment to delivering quality, building trust and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Murphy Companymurphynet.com HQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 579 contacts → |
“Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Charlotte Pipe And Foundry Companycharlottepipe.com HQ: Charlotte, NC, United StatesReported employees: 1,001-5,000 | Charlotte, NC, United States | 1,001-5,000 | Exact match | 560 contacts → |
“For over a century Charlotte Pipe and Foundry Company has been manufacturing pipe and fittings, employing more than 1500 loyal, hard-working Americans.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | U.S. Pipeuspipe.com HQ: Birmingham, AL, United StatesReported employees: 1,001-5,000 | Birmingham, AL, United States | 1,001-5,000 | Exact match | 460 contacts → |
“U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pan-Pacific Mechanicalppmechanical.com HQ: Fountain Valley, CA, United StatesReported employees: 501-1,000 | Fountain Valley, CA, United States | 501-1,000 | Exact match | 434 contacts → |
“Founded in 1947 - Pan-Pacific Mechanical, our "Mission is to be the best Plumbing and Mechanical subcontractor in California and the West by delivering exceptional customer…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Southern Pipe & Supply COsouthernpipe.com HQ: Meridian, MS, United StatesReported employees: Not recorded | Meridian, MS, United States | Not recorded | Exact match | 389 contacts → |
“Southern Pipe & Supply is one of the largest, privately held, independent distributors and offers the very best of brand name plumbing, heating, air-conditioning (HVAC)…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Hanover, MD, United StatesReported employees: Not recorded | Hanover, MD, United States | Not recorded | Exact match | 384 contacts → |
“The International Union of Painters and Allied Trades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Eastern Industrial Supplies, INCeasternfirst.com HQ: Greenville, SC, United StatesReported employees: 201-500 | Greenville, SC, United States | 201-500 | Exact match | 300 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Pipeliners 798local798.org HQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 250 contacts → |
“Pipeliners 798 is a trade union that provides the highest quality of pipeline welders to contractors across country.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Plumberplumbermag.com HQ: Three Lakes, WI, United StatesReported employees: Not recorded | Three Lakes, WI, United States | Not recorded | Exact match | 247 contacts → |
“Plumber™ exclusively serves residential and commercial plumbing contractors and franchisees providing everything from repair work and pipe rehabilitation to water conditioning and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | UA Local 469ualocal469.org HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 148 contacts → |
“UA Local 469 Plumbers and Pipefitters was chartered in 1910, two years before the State of Arizona became the 48th state.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Marcone Plumbingmarcone.com HQ: Glen Mills, PA, United StatesReported employees: 201-500 | Glen Mills, PA, United States | 201-500 | Exact match | 131 contacts → |
“In 2022, the Professional Plumbing Group (PPG) joined the Marcone Group.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Merit Brass Companymeritbrass.com HQ: Cleveland, OH, United StatesReported employees: 201-500 | Cleveland, OH, United States | 201-500 | Exact match | 126 contacts → |
“Merit Brass: Connecting Your Success with Seamless Piping Solutions What does it take to keep industries flowing smoothly?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Plumbing Manufacturers Internationalsafeplumbing.org HQ: Mclean, VA, United StatesReported employees: Not recorded | Mclean, VA, United States | Not recorded | Exact match | 121 contacts → |
“Plumbing Manufacturers International (PMI) is the trade association of plumbing product manufacturers that produce more than 90 percent of the United States’ plumbing products…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Fernco, INCfernco.com HQ: Davison, MI, United StatesReported employees: 201-500 | Davison, MI, United States | 201-500 | Exact match | 116 contacts → |
“Fernco, has become synonymous with not only flexible couplings, but also an ever-expanding array of innovative commercial and consumer plumbing products.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kenny Pipe & Supply, INCkennypipe.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 108 contacts → |
“Kenny Pipe & Supply is a wholesale distributor of plumbing supplies, pipe, valves and fittings headquartered in Nashville, Tennessee.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Jones Stephensjonesstephens.com HQ: Moody, AL, United StatesReported employees: 51-200 | Moody, AL, United States | 51-200 | Exact match | 93 contacts → |
“Jones Stephens is a leader of rough plumbing products with a strong brand built on providing 30 years of innovation for professional contractors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Chicago Faucetschicagofaucets.com HQ: Des Plaines, IL, United StatesReported employees: 201-500 | Des Plaines, IL, United States | 201-500 | Exact match | 89 contacts → |
“Illinois-based Chicago Faucets is one of America’s most trusted names in commercial plumbing combining over a century of craftsmanship with forward-looking innovation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Spartan Tool, LLCspartantool.com HQ: Niles, MI, United StatesReported employees: 51-200 | Niles, MI, United States | 51-200 | Exact match | 80 contacts → |
“Our products are built tough to withstand the rigors of professional use by plumbers & drain cleaners all day, every day.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Local 290ua290.org HQ: Tualatin, OR, United StatesReported employees: 51-200 | Tualatin, OR, United States | 51-200 | Exact match | 79 contacts → |
“Local 290 is an oil & energy company based out of 20210 Sw Teton Ave, Tualatin, OR, United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HPS Mechanical, INChpsmechanical.com HQ: Bakersfield, CA, United StatesReported employees: 201-500 | Bakersfield, CA, United States | 201-500 | Exact match | 78 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Dauenhauer Plumbingdauenhauer.comHQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 77 contacts → |
“Dauenhauer Plumbing is Kentucky's largest full service plumbing company, serving residential and commercial customers in both the Louisville and Lexington areas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | MR Rooter Plumbingmrrooter.com HQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 73 contacts → |
“Mr Rooter Plumbing is the leading provider of expert plumbing repair and service in the Brunswick and New Hanover County region of North Carolina.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Plumbers And Pipefitters Local 562local562.org HQ: Earth City, MO, United StatesReported employees: 51-200 | Earth City, MO, United States | 51-200 | Exact match | 71 contacts → |
“Plumbers and Pipefitters Local 562 is a construction company based out of St.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,441 company matches
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Plumbing unions: dataset insights
September 20, 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
2,414 records in the displayed employee bands.
27 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 2,441 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 20, 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 ↗
Plumbing unions by metro
Questions about this company list
What does Exact match mean for plumbing unions?
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 plumbing unions did RevenueBase find based in the United States?
The saved snapshot records 2,441 matching company records, 24,388 tracked contacts and 6,498 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 20, 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
Plumbing unions by geography
- Plumbing unions based in Miami, United States
- Plumbing unions based in Australia
- Plumbing unions based in Canada
- Plumbing unions based in Denmark
- Plumbing unions based in France
- Plumbing unions based in the Netherlands
- Plumbing unions based in New Zealand
- Plumbing unions based in Norway
- Plumbing unions based in South Africa
- Plumbing unions based in Sweden
- Plumbing unions based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 plumbing unions based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/plumbing-unions/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 plumbing unions based in the United States
RevenueBase records 2,441 matching company records for plumbing unions based in the United States, with 24,388 tracked contacts and 6,498 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 20, 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 plumbing unions 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 | Hajoca Corporationhajoca.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 1,954 contacts → |
“In 1858, one enterprising individual invested his life savings of $200 to start a business grinding key stops for plumbers in Philadelphia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Oatey Companyoatey.com HQ: Cleveland, OH, United StatesReported employees: 1,001-5,000 | Cleveland, OH, United States | 1,001-5,000 | Exact match | 681 contacts → |
“Since 1916, Oatey has provided reliable, high-quality products for the residential and commercial plumbing industries, with a commitment to delivering quality, building trust and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Murphy Companymurphynet.com HQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 579 contacts → |
“Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Charlotte Pipe And Foundry Companycharlottepipe.com HQ: Charlotte, NC, United StatesReported employees: 1,001-5,000 | Charlotte, NC, United States | 1,001-5,000 | Exact match | 560 contacts → |
“For over a century Charlotte Pipe and Foundry Company has been manufacturing pipe and fittings, employing more than 1500 loyal, hard-working Americans.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | U.S. Pipeuspipe.com HQ: Birmingham, AL, United StatesReported employees: 1,001-5,000 | Birmingham, AL, United States | 1,001-5,000 | Exact match | 460 contacts → |
“U.S.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pan-Pacific Mechanicalppmechanical.com HQ: Fountain Valley, CA, United StatesReported employees: 501-1,000 | Fountain Valley, CA, United States | 501-1,000 | Exact match | 434 contacts → |
“Founded in 1947 - Pan-Pacific Mechanical, our "Mission is to be the best Plumbing and Mechanical subcontractor in California and the West by delivering exceptional customer…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Southern Pipe & Supply COsouthernpipe.com HQ: Meridian, MS, United StatesReported employees: Not recorded | Meridian, MS, United States | Not recorded | Exact match | 389 contacts → |
“Southern Pipe & Supply is one of the largest, privately held, independent distributors and offers the very best of brand name plumbing, heating, air-conditioning (HVAC)…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Hanover, MD, United StatesReported employees: Not recorded | Hanover, MD, United States | Not recorded | Exact match | 384 contacts → |
“The International Union of Painters and Allied Trades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Eastern Industrial Supplies, INCeasternfirst.com HQ: Greenville, SC, United StatesReported employees: 201-500 | Greenville, SC, United States | 201-500 | Exact match | 300 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Pipeliners 798local798.org HQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 250 contacts → |
“Pipeliners 798 is a trade union that provides the highest quality of pipeline welders to contractors across country.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Plumberplumbermag.com HQ: Three Lakes, WI, United StatesReported employees: Not recorded | Three Lakes, WI, United States | Not recorded | Exact match | 247 contacts → |
“Plumber™ exclusively serves residential and commercial plumbing contractors and franchisees providing everything from repair work and pipe rehabilitation to water conditioning and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | UA Local 469ualocal469.org HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 148 contacts → |
“UA Local 469 Plumbers and Pipefitters was chartered in 1910, two years before the State of Arizona became the 48th state.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Marcone Plumbingmarcone.com HQ: Glen Mills, PA, United StatesReported employees: 201-500 | Glen Mills, PA, United States | 201-500 | Exact match | 131 contacts → |
“In 2022, the Professional Plumbing Group (PPG) joined the Marcone Group.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Merit Brass Companymeritbrass.com HQ: Cleveland, OH, United StatesReported employees: 201-500 | Cleveland, OH, United States | 201-500 | Exact match | 126 contacts → |
“Merit Brass: Connecting Your Success with Seamless Piping Solutions What does it take to keep industries flowing smoothly?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Plumbing Manufacturers Internationalsafeplumbing.org HQ: Mclean, VA, United StatesReported employees: Not recorded | Mclean, VA, United States | Not recorded | Exact match | 121 contacts → |
“Plumbing Manufacturers International (PMI) is the trade association of plumbing product manufacturers that produce more than 90 percent of the United States’ plumbing products…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Fernco, INCfernco.com HQ: Davison, MI, United StatesReported employees: 201-500 | Davison, MI, United States | 201-500 | Exact match | 116 contacts → |
“Fernco, has become synonymous with not only flexible couplings, but also an ever-expanding array of innovative commercial and consumer plumbing products.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kenny Pipe & Supply, INCkennypipe.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 108 contacts → |
“Kenny Pipe & Supply is a wholesale distributor of plumbing supplies, pipe, valves and fittings headquartered in Nashville, Tennessee.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Jones Stephensjonesstephens.com HQ: Moody, AL, United StatesReported employees: 51-200 | Moody, AL, United States | 51-200 | Exact match | 93 contacts → |
“Jones Stephens is a leader of rough plumbing products with a strong brand built on providing 30 years of innovation for professional contractors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Chicago Faucetschicagofaucets.com HQ: Des Plaines, IL, United StatesReported employees: 201-500 | Des Plaines, IL, United States | 201-500 | Exact match | 89 contacts → |
“Illinois-based Chicago Faucets is one of America’s most trusted names in commercial plumbing combining over a century of craftsmanship with forward-looking innovation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Spartan Tool, LLCspartantool.com HQ: Niles, MI, United StatesReported employees: 51-200 | Niles, MI, United States | 51-200 | Exact match | 80 contacts → |
“Our products are built tough to withstand the rigors of professional use by plumbers & drain cleaners all day, every day.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Local 290ua290.org HQ: Tualatin, OR, United StatesReported employees: 51-200 | Tualatin, OR, United States | 51-200 | Exact match | 79 contacts → |
“Local 290 is an oil & energy company based out of 20210 Sw Teton Ave, Tualatin, OR, United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HPS Mechanical, INChpsmechanical.com HQ: Bakersfield, CA, United StatesReported employees: 201-500 | Bakersfield, CA, United States | 201-500 | Exact match | 78 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Dauenhauer Plumbingdauenhauer.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 77 contacts → |
“Dauenhauer Plumbing is Kentucky's largest full service plumbing company, serving residential and commercial customers in both the Louisville and Lexington areas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | MR Rooter Plumbingmrrooter.com HQ: Southport, NC, United StatesReported employees: 11-50 | Southport, NC, United States | 11-50 | Exact match | 73 contacts → |
“Mr Rooter Plumbing is the leading provider of expert plumbing repair and service in the Brunswick and New Hanover County region of North Carolina.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Plumbers And Pipefitters Local 562local562.org HQ: Earth City, MO, United StatesReported employees: 51-200 | Earth City, MO, United States | 51-200 | Exact match | 71 contacts → |
“Plumbers and Pipefitters Local 562 is a construction company based out of St.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,441 company matches
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Plumbing unions: dataset insights
September 20, 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
2,414 records in the displayed employee bands.
27 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 2,441 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 20, 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 ↗
Plumbing unions by metro
Questions about this company list
What does Exact match mean for plumbing unions?
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 plumbing unions did RevenueBase find based in the United States?
The saved snapshot records 2,441 matching company records, 24,388 tracked contacts and 6,498 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 20, 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.
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Cite this list
RevenueBase Data Team. Top 25 plumbing unions based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/plumbing-unions/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗