Company lists · Data refreshed November 2026

Top 25 Plumbing design consultants worldwide

RevenueBase identified 3,267 company matches for plumbing design consultants worldwide as of November 2026 and tracks 30,999 professional contacts across them, including 10,458 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for plumbing design consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for plumbing design consultants follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
3,267Companies
30,999Contacts tracked
10,458Verified emails
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The 25 largest plumbing design consultants worldwide

Ranked by team size
Top 25 of 3,267 company matches for plumbing design consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGolden, TX, United StatesHQ recorded Nov 6, 2026201-500723 contacts →

Exact match

“ME Engineers has earned a reputation as a global leader in the design of innovative MEPT systems that bring to life the world's most innovative sports and entertainment venues.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000379 contacts →

Exact match

“Incorporated in Dubai in 1978 by Decree of H.H.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026201-500350 contacts →

Exact match

“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchConyers, GA, United StatesHQ recorded Nov 6, 20261,001-5,000330 contacts →

Exact match

“Batchelor & Kimball is a mechanical engineering and plumbing contractor specializing in projects that call for advanced expertise and problem-solving.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNyc, NY, United StatesHQ recorded Nov 6, 2026201-500318 contacts →

Exact match

“Cosentini has a 70+ year history of engineering many of the world’s most iconic buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchArlington, NC, United StatesHQ recorded Nov 6, 202651-200225 contacts →

Exact match

“GHT is one of the largest locally owned and headquartered MEP consulting firms in the Washington, DC metro area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDe Pere, WI, United StatesHQ recorded Nov 6, 2026501-1,000214 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLongwood, FL, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Founded in 1992, Comprehensive Energy Services, Inc.(CES) is a family-owned and operated, award-winning mechanical and plumbing contractor proudly serving the entire state of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFt. Thomas, KY, United StatesHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“Established in 1955, Kohrs Lonnemann Heil Engineers, Inc.(KLH Engineers) is nationally ranked among the top mechanical, electrical, plumbing and technology engineering firms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIrving, TX, United StatesHQ recorded Nov 6, 2026501-1,000154 contacts →

Exact match

“Way Mechanical is a mechanical contractor located in Austin, Dallas, Fort Worth, Houston, Nashville, and San Antonio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBogotá, ColombiaHQ recorded Nov 6, 2026501-1,000148 contacts →

Exact match

“Instalaciones Hidráulicas y Sanitarias W.C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPortland, ME, United StatesHQ recorded Nov 6, 202611-50146 contacts →

Exact match

“Allied Engineering (AEI) is now Salas O'Brien.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Dimas, CA, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Since 2003 PBS Engineers, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLakewood, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“With corporate headquarters in Denver and offices in Phoenix and Los Angeles, The RMH Group is a mechanical, electrical, plumbing, and technology consulting engineering firm that…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCampsie, AustraliaHQ recorded Nov 6, 2026201-500139 contacts →

Exact match

“Planet Plumbing is an Australian-owned private company with various projects completed throughout Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOmaha, OK, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Alvine and Associates, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRochester, SC, United StatesHQ recorded Nov 6, 2026201-500130 contacts →

Exact match

“From a service-oriented plumbing company started by John P.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCopenhagen K, DenmarkHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Hos AI Arkitekter & Ingeniører leverer vi helhedsbaseret totalrådgivning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBelleview, FL, United StatesHQ recorded Nov 6, 2026201-500124 contacts →

Exact match

“Nash Plumbing and Mechanical, LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“One of America’s fastest-growing companies NY Engineers is an engineering design firm with expertise in Mechanical, Electrical, Plumbing, Sprinkler Engineering, Fire Protection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 2026201-500123 contacts →

Exact match

“We specialize in providing HVAC, plumbing, and piping design and installation services across the state of California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEdina, MN, IndiaHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“AIR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRichfield, OH, United StatesHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“Thorson • Baker + Associates (TBA) was founded in 1993 to provide engineering consultation and design services for the building construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWestmont, IL, United StatesHQ recorded Nov 6, 2026201-500113 contacts →

Exact match

“Founded in 1946, Great Lakes Plumbing and Heating Company is a Chicago-based full service mechanical contracting firm that specializes in complex plumbing, mechanical piping and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchValhalla, NY, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Since 1974, OLA Consulting Engineers has built a reputation for providing innovative engineering services to meet or exceed our clients’ expectations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,267 plumbing design consultants worldwide

See the full list, filter by size, metro and specialty, and access 10,458 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Plumbing design consultants worldwide at a glance

As of Nov 6, 2026
33.7%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,732
11-50
1,108
51-200
300
201-500
52
501-1,000
12
1,001-5,000
4
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for plumbing design consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “plumbing design consultants” 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. 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 10,458 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 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 design consultants by location

18 lists · largest first

Every Plumbing design consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 design consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many plumbing design consultants are there worldwide?

RevenueBase identified 3,267 company matches for plumbing design consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ME Engineers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most plumbing design consultants?

The United States leads with 1,064 companies, followed by Australia (142) and India (140). Every plumbing design consultants list by country and city is linked on this page.

Which city has the most plumbing design consultants?

New York leads with 28 company records, followed by Houston (26) and Sao Paulo (26).

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 10,458 professional contacts with verified work emails tracked across these 3,267 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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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.