Company lists · Data refreshed November 2026

Top 25 Piping design engineers based in the United States

RevenueBase identified 1,646 company matches for piping design engineers associated with the United States as of November 2026 and tracks 59,475 professional contacts across them, including 23,658 with verified work emails. Houston is the largest hub.

This list covers company matches for piping design engineers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,646Companies
59,475Contacts tracked
23,658Verified emails
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The 25 largest piping design engineers based in the United States

Ranked by team size
Top 25 of 1,646 company matches for piping design engineers based in the United States, 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 matchHouston, LA, United StatesHQ recorded Nov 6, 20265,001-10,0003,819 contacts →

Exact match

“S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLisle, IL, United StatesHQ recorded Nov 6, 20261,001-5,0003,019 contacts →

Exact match

“ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchJacksonville, WI, United StatesHQ recorded Nov 6, 20261,001-5,0002,439 contacts →

Exact match

“Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRock Island, IL, United StatesHQ recorded Nov 6, 20261,001-5,0002,116 contacts →

Exact match

“Leaders in Engineering and Innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,827 contacts →

Exact match

“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHouston, LA, United StatesHQ recorded Nov 6, 20261,001-5,0001,699 contacts →

Exact match

“Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSeattle, CO, United StatesHQ recorded Nov 6, 2026501-1,000919 contacts →

Exact match

“The right team is more than an advantage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDetroit, MI, United StatesHQ recorded Nov 6, 2026501-1,000810 contacts →

Exact match

“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMetairie, LA, United StatesHQ recorded Nov 6, 2026501-1,000750 contacts →

Exact match

“EDG Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBoston, PA, United StatesHQ recorded Nov 6, 2026201-500583 contacts →

Exact match

“Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchApex, NC, United StatesHQ recorded Nov 6, 2026501-1,000581 contacts →

Exact match

“Indovance is a global, multidisciplinary Engineering Services firm, backed by more than two decades of industry expertise in delivering high-quality CAD Drafting and Design…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHouston, FL, United StatesHQ recorded Nov 6, 2026501-1,000556 contacts →

Exact match

“Cobb, Fendley & Associates, Inc.(CobbFendley) is a nationally recognized infrastructure solutions firm with a regional focus and a commitment to excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSavannah, GA, United StatesHQ recorded Nov 6, 2026501-1,000535 contacts →

Exact match

“Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchEmeryville, CA, United StatesHQ recorded Nov 6, 2026501-1,000524 contacts →

Exact match

“Dedicated to “Excellence in Engineering,” E2 Consulting Engineers, Inc.(E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKaty, TX, United StatesHQ recorded Nov 6, 20261,001-5,000462 contacts →

Exact match

“Established in 1980, Optimized Process Designs LLC (OPD) provides clients with detailed engineering packages in all disciplines, single-point procurement for all equipment and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBellingham, CA, United StatesHQ recorded Nov 6, 2026201-500454 contacts →

Exact match

“Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSulphur, LA, United StatesHQ recorded Nov 6, 2026501-1,000424 contacts →

Exact match

“ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNashua, CT, United StatesHQ recorded Nov 6, 2026501-1,000409 contacts →

Exact match

“What do some of the world’s largest projects have in common?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 2026201-500392 contacts →

Exact match

“Established over a century ago in 1892, Osborn is proud to be one of the nation’s oldest engineering firms, continuing a tradition of excellence through outstanding quality in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGranite City, IL, United StatesHQ recorded Nov 6, 2026501-1,000335 contacts →

Exact match

“icon Mechanical is a full service mechanical construction company specializing in the installation, modification and on-going service of process piping, industrial ventilation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLouisville, TX, United StatesHQ recorded Nov 6, 2026201-500333 contacts →

Exact match

“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchNashville, TN, United StatesHQ recorded Nov 6, 2026201-500306 contacts →

Exact match

“I.C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, NJ, United StatesHQ recorded Nov 6, 2026201-500285 contacts →

Exact match

“EnTech Engineering, PC is a multidisciplinary, WBE-certified engineering and construction management firm devoted to delivering best-in-class design and construction support…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMinneapolis, LA, United StatesHQ recorded Nov 6, 2026201-500284 contacts →

Exact match

“Engineered to crack the code of possibility.”

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

Showing 25 of 1,646 piping design engineers based in the United States

See the full list, filter by size, metro and specialty, and access 23,658 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Piping design engineers based in the United States at a glance

As of Nov 6, 2026
39.8%Verified-email coverage
36.1Average contacts per company
11-50Median size (employees)
6.3%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
625
11-50
646
51-200
266
201-500
64
501-1,000
25
1,001-5,000
14
5,001-10,000
1
10001+
2

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 1,646 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 “piping design engineers” 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 23,658 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.

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

How many piping design engineers are there based in the United States?

RevenueBase identified 1,646 company matches for piping design engineers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

S&b tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most piping design engineers?

Houston leads with 104 company records, followed by New York (25) and Miami (19).

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 23,658 professional contacts with verified work emails tracked across these 1,646 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.