Company lists · Data refreshed September 2026

Top 25 Petrochemical plant builders based in the United States

Name: Petrochemical plant builders based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 497 companies tracked

RevenueBase identified 497 company matches for petrochemical plant builders associated with the United States as of September 2026 and tracks 103,664 professional contacts across them, including 27,153 with verified work emails. Houston is the largest hub.

This list covers company matches for petrochemical plant builders 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 17, 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 Sep 17, 2026 How this list was built

497Companies

103,664Contacts tracked

27,153Verified emails

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The 25 largest petrochemical plant builders based in the United States

Ranked by team size

Top 25 of 497 company matches for petrochemical plant builders based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Fluor Corporation	Exact match	Irving, TX, United StatesHQ recorded Sep 17, 2026	10001+	33,084 contacts →
	Exact match “Fluor Corporation is a global engineering, procurement and construction company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	10001+	20,135 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Sep 17, 2026	10001+	6,824 contacts →
	Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	S&b	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	5,001-10,000	3,510 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 · Sep 17, 2026 · View company records in RevenueBase
5	Michels Corporation	Exact match	Brownsville, WI, United StatesHQ recorded Sep 17, 2026	10001+	2,339 contacts →
	Exact match “Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	The Haskell Company	Exact match	Jacksonville, FL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,213 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 · Sep 17, 2026 · View company records in RevenueBase
7	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 17, 2026	5,001-10,000	1,940 contacts →
	Exact match “Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Hargrove Engineers & Constructors	Exact match	Mobile, AL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,877 contacts →
	Exact match “Hargrove is a full-service engineering, procurement, and construction management firm delivering multi-discipline engineering, project delivery, controls & automation, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Austin Industrial, INC	Exact match	La Porte, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,649 contacts →
	Exact match “Austin Industrial delivers premier maintenance, construction, and soft craft services to the nation’s leading producers of oil, gas & chemicals; energy; and manufactured goods.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Audubon Companies	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,488 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 · Sep 17, 2026 · View company records in RevenueBase
11	Bilfinger North America	Exact match	The Woodlands, TX, United StatesHQ recorded Sep 17, 2026	10001+	1,400 contacts →
	Exact match “As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Saulsbury	Exact match	Odessa, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,130 contacts →
	Exact match “Saulsbury Industries is a full-service Engineering Procurement and Construction (EPC) contractor that provides engineering, general construction, electrical & instrumentation…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Gulf Companies	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,046 contacts →
	Exact match “At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Percheron, LLC	Exact match	Katy, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	776 contacts →
	Exact match “Percheron streamlines energy infrastructure projects through a comprehensive EPCM (Engineering, Procurement, Construction Management) approach.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Vepica	Exact match	Katy, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	680 contacts →
	Exact match “Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Dynamic Industries, INC	Exact match	New Orleans, LA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	567 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Bmwc Constructors	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 17, 2026	1,001-5,000	558 contacts →
	Exact match “BMWC tackles the world’s toughest, most daunting industrial construction challenges.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Arb, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	528 contacts →
	Exact match “ARB Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Richard	Exact match	Beaumont, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	501 contacts →
	Exact match “RICHARD is a full-service engineering, procurement and construction firm in the petrochemical and refining industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Matrix Service	Exact match	Tulsa, OK, United StatesHQ recorded Sep 17, 2026	1,001-5,000	492 contacts →
	Exact match “Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Campos EPC	Exact match	Denver, CO, United StatesHQ recorded Sep 17, 2026	501-1,000	471 contacts →
	Exact match “Campos EPC (CEPC) is headquartered in Denver, Colorado with offices covering all regions of the United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Scmi INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	n/a	470 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Optimized Process Designs LLC	Exact match	Katy, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	424 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 · Sep 17, 2026 · View company records in RevenueBase
24	Recon Management Services, INC	Exact match	Sulphur, LA, United StatesHQ recorded Sep 17, 2026	501-1,000	420 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 · Sep 17, 2026 · View company records in RevenueBase
25	Delta Constructors	Exact match	Anchorage, AK, United StatesHQ recorded Sep 17, 2026	501-1,000	380 contacts →
	Exact match “We are a full-service construction and fabrication group serving industrial clients of all sizes in water, wastewater, petroleum, gas processing and energy projects.” Recorded in the RevenueBase company graph · Sep 17, 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 “petrochemical plant builders”. 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 497 petrochemical plant builders based in the United States

See the full list, filter by size, metro and specialty, and access 27,153 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Petrochemical plant builders based in the United States at a glance

As of Sep 17, 2026

26.2%Verified-email coverage

208.6Average contacts per company

51-200Median size (employees)

14.7%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

149

51-200

136

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 497 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 “petrochemical plant builders” 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 27,153 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 17, 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 “petrochemical plant builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petrochemical plant builders are there based in the United States?

RevenueBase identified 497 company matches for petrochemical plant builders 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?

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

Which city has the most petrochemical plant builders?

Houston leads with 73 company records, followed by Tulsa (14) and Midland (11).

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 27,153 professional contacts with verified work emails tracked across these 497 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 17, 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.