Company lists · Data refreshed November 2026
Top 25 Petrochemical process engineers based in the United States
RevenueBase identified 747 company matches for petrochemical process engineers associated with the United States as of November 2026 and tracks 34,544 professional contacts across them, including 9,941 with verified work emails. Houston is the largest hub.
This list covers company matches for petrochemical process 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.
The 25 largest petrochemical process engineers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,226 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,882 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,699 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 | |||||
| 4 | 1,223 contacts → | ||||
Exact match “Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 750 contacts → | ||||
Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 559 contacts → | ||||
Exact match “Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 542 contacts → | ||||
Exact match “Becht partners with industrial operators across the energy and process sectors to solve complex challenges that impact safety, reliability, and profitability.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 520 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 454 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 | |||||
| 10 | 424 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 | |||||
| 11 | 400 contacts → | ||||
Exact match “Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 333 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 | |||||
| 13 | 322 contacts → | ||||
Exact match “KAP Project Services is a leading project management and consulting firm serving the petrochemical, power, LNG, pharmaceutical, and oil & gas industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 285 contacts → | ||||
Exact match “FATEH GROUP is committed to provide its customers with high-quality services and products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 275 contacts → | ||||
Exact match “For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 269 contacts → | ||||
Exact match “H+M Industrial EPC has provided end-to-end capital project solutions to the Energy and Chemicals industries since 1988.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 255 contacts → | ||||
Exact match “Chemtex is a global engineering and technology company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 252 contacts → | ||||
Exact match “BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 250 contacts → | ||||
Exact match “ADF Engineering provides comprehensive Process and Facility engineering services to the food, feed, biofuels, bioscience, and consumer products industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 220 contacts → | ||||
Exact match “For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 197 contacts → | ||||
Exact match “Engineering & Inspection Services (EIS) is a multidisciplinary engineering firm offering Engineering & Design, Field Services, Inspection & Mechanical Integrity, and Technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 187 contacts → | ||||
Exact match “STEVENS is a proven leader in engineering and construction, strategically serving clients throughout the world with exceptional workforce commitment and management experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 183 contacts → | ||||
Exact match “Sigma Engineers and Constructors (SEC) is a professional engineering firm that provides specifically tailored services to meet the needs of North America's oil, gas, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 159 contacts → | ||||
Exact match “GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 152 contacts → | ||||
Exact match “Pelican Energy Consultants, LLC is a privately held Consulting Engineering Firm located in Covington, LA.” Recorded in the RevenueBase company graph · Nov 6, 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 process engineers”. 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 747 petrochemical process engineers based in the United States
See the full list, filter by size, metro and specialty, and access 9,941 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Petrochemical process engineers based in the United States at a glance
As of Nov 6, 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 747 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 process 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 9,941 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.
Petrochemical process engineers 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 “petrochemical process engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many petrochemical process engineers are there based in the United States?
RevenueBase identified 747 company matches for petrochemical process 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?
Zachry Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most petrochemical process engineers?
Houston leads with 144 company records, followed by Katy (16) and Tulsa (15).
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 9,941 professional contacts with verified work emails tracked across these 747 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.
Ready to reach these companies? Verified emails and direct dials for all 747 petrochemical process engineers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Petrochemical process engineers by geography
- Petrochemical process engineers based in Rio De Janeiro, Brazil
- Petrochemical process engineers based in Sao Paulo, Brazil
- Petrochemical process engineers based in Calgary, Canada
- Petrochemical process engineers based in Chennai, India
- Petrochemical process engineers based in Mumbai, India
- Petrochemical process engineers based in Pune, India
- Petrochemical process engineers based in Vadodara, India
- Petrochemical process engineers based in Tehran, Iran
- Petrochemical process engineers based in Milan, Italy
- Petrochemical process engineers based in Singapore, Singapore
- Petrochemical process engineers based in Abu Dhabi, United Arab Emirates
- Petrochemical process engineers based in Dubai, United Arab Emirates
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Petrochemical process engineers based in Rio De Janeiro, Brazil
- Petrochemical process engineers based in Sao Paulo, Brazil
- Petrochemical process engineers based in Calgary, Canada
- Petrochemical process engineers based in Chennai, India
- Petrochemical process engineers based in Mumbai, India
- Petrochemical process engineers based in Pune, India
Company intelligence · public preview
Top 25 petrochemical process engineers 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 747 matching company records for petrochemical process engineers based in the United States, with 34,544 tracked contacts and 9,941 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: November 6, 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 petrochemical process engineers 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 |  Zachry Groupzachrygroup.comHQ: San Antonio, TX, United StatesReported employees: 10001+ | San Antonio, TX, United States | 10001+ | Exact match | 7,226 contacts → |
“Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Hargrove Engineers & Constructorshargrove-epc.comHQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,882 contacts → |
“Hargrove is a full-service engineering, procurement, and construction management firm delivering multi-discipline engineering, project delivery, controls & automation, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Audubon Companiesauduboncompanies.comHQ: Houston, LA, United StatesReported employees: 1,001-5,000 | Houston, LA, United States | 1,001-5,000 | Exact match | 1,699 contacts → |
“Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Englobalenglobal.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,223 contacts → |
“Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  EDGedg.netHQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 750 contacts → |
“EDG Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ingeneroingenero.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 559 contacts → |
“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  BECHTbecht.comHQ: Liberty Corner, NJ, United StatesReported employees: 501-1,000 | Liberty Corner, NJ, United States | 501-1,000 | Exact match | 542 contacts → |
“Becht partners with industrial operators across the energy and process sectors to solve complex challenges that impact safety, reliability, and profitability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Richardrichardepc.comHQ: Beaumont, TX, United StatesReported employees: 1,001-5,000 | Beaumont, TX, United States | 1,001-5,000 | Exact match | 520 contacts → |
“RICHARD is a full-service engineering, procurement and construction firm in the petrochemical and refining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Anvil Corporationanvilcorp.comHQ: Bellingham, CA, United StatesReported employees: 201-500 | Bellingham, CA, United States | 201-500 | Exact match | 454 contacts → |
“Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Recon Management Services, INCrecon-group.comHQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 424 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mangan INCmanganinc.comHQ: Long Beach, TX, United StatesReported employees: 201-500 | Long Beach, TX, United States | 201-500 | Exact match | 400 contacts → |
“Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  C&i Engineeringcieng.comHQ: Louisville, TX, United StatesReported employees: 201-500 | Louisville, TX, United States | 201-500 | Exact match | 333 contacts → |
“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  KAP Project Services, LTDkapproservices.comHQ: Deer Park, TX, United StatesReported employees: 201-500 | Deer Park, TX, United States | 201-500 | Exact match | 322 contacts → |
“KAP Project Services is a leading project management and consulting firm serving the petrochemical, power, LNG, pharmaceutical, and oil & gas industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fateh Groupfatehgroup.comHQ: Cherryfield, ME, United StatesReported employees: 1,001-5,000 | Cherryfield, ME, United States | 1,001-5,000 | Exact match | 285 contacts → |
“FATEH GROUP is committed to provide its customers with high-quality services and products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  M&hmhes.comHQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 275 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  H M Industrial EPChm-ec.comHQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 269 contacts → |
“H+M Industrial EPC has provided end-to-end capital project solutions to the Energy and Chemicals industries since 1988.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Chemtexchemtexus.comHQ: Wilmington, NC, United StatesReported employees: 201-500 | Wilmington, NC, United States | 201-500 | Exact match | 255 contacts → |
“Chemtex is a global engineering and technology company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  BSI Engineeringbsiengr.comHQ: Mason, IL, United StatesReported employees: 201-500 | Mason, IL, United States | 201-500 | Exact match | 252 contacts → |
“BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ADF Engineering, INCadfengineering.comHQ: Miamisburg, OH, United StatesReported employees: 51-200 | Miamisburg, OH, United States | 51-200 | Exact match | 250 contacts → |
“ADF Engineering provides comprehensive Process and Facility engineering services to the food, feed, biofuels, bioscience, and consumer products industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Waldemar S. Nelson & Co., INCwsnelson.comHQ: New Orleans, TX, United StatesReported employees: 201-500 | New Orleans, TX, United States | 201-500 | Exact match | 220 contacts → |
“For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Engineering & Inspection Services, LLCeisllc.netHQ: Metairie, TX, United StatesReported employees: 201-500 | Metairie, TX, United States | 201-500 | Exact match | 197 contacts → |
“Engineering & Inspection Services (EIS) is a multidisciplinary engineering firm offering Engineering & Design, Field Services, Inspection & Mechanical Integrity, and Technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Stevens Engineers & Constructorsstevensec.comHQ: Middleburg Heights, IN, United StatesReported employees: 201-500 | Middleburg Heights, IN, United States | 201-500 | Exact match | 187 contacts → |
“STEVENS is a proven leader in engineering and construction, strategically serving clients throughout the world with exceptional workforce commitment and management experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sigma Engineers And Constructorssigmaec.comHQ: Baton Rouge, United StatesReported employees: 51-200 | Baton Rouge, United States | 51-200 | Exact match | 183 contacts → |
“Sigma Engineers and Constructors (SEC) is a professional engineering firm that provides specifically tailored services to meet the needs of North America's oil, gas, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  GRSAgrsaeng.comHQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 159 contacts → |
“GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Pelican Energy Consultants, LLCpelicanenergy.comHQ: Covington, LA, United StatesReported employees: 51-200 | Covington, LA, United States | 51-200 | Exact match | 152 contacts → |
“Pelican Energy Consultants, LLC is a privately held Consulting Engineering Firm located in Covington, LA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 747 company matches
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Petrochemical process engineers: dataset insights
November 6, 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
744 records in the displayed employee bands.
3 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 747 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: November 6, 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 ↗
Petrochemical process engineers by metro
Questions about this company list
What does Exact match mean for petrochemical process engineers?
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 petrochemical process engineers did RevenueBase find based in the United States?
The saved snapshot records 747 matching company records, 34,544 tracked contacts and 9,941 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: November 6, 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
Petrochemical process engineers by geography
- Petrochemical process engineers based in Rio De Janeiro, Brazil
- Petrochemical process engineers based in Sao Paulo, Brazil
- Petrochemical process engineers based in Calgary, Canada
- Petrochemical process engineers based in Chennai, India
- Petrochemical process engineers based in Mumbai, India
- Petrochemical process engineers based in Pune, India
- Petrochemical process engineers based in Vadodara, India
- Petrochemical process engineers based in Tehran, Iran
- Petrochemical process engineers based in Milan, Italy
- Petrochemical process engineers based in Singapore, Singapore
- Petrochemical process engineers based in Abu Dhabi, United Arab Emirates
- Petrochemical process engineers based in Dubai, United Arab Emirates
Cite this list
RevenueBase Data Team. Top 25 petrochemical process engineers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/petrochemical-process-engineers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Petrochemical process engineers based in Rio De Janeiro, Brazil
- Petrochemical process engineers based in Sao Paulo, Brazil
- Petrochemical process engineers based in Calgary, Canada
- Petrochemical process engineers based in Chennai, India
- Petrochemical process engineers based in Mumbai, India
- Petrochemical process engineers based in Pune, India
Company intelligence · public preview
Top 25 petrochemical process engineers based in the United States
RevenueBase records 747 matching company records for petrochemical process engineers based in the United States, with 34,544 tracked contacts and 9,941 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: November 6, 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 petrochemical process engineers 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 | Zachry Groupzachrygroup.com HQ: San Antonio, TX, United StatesReported employees: 10001+ | San Antonio, TX, United States | 10001+ | Exact match | 7,226 contacts → |
“Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hargrove Engineers & Constructorshargrove-epc.com HQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,882 contacts → |
“Hargrove is a full-service engineering, procurement, and construction management firm delivering multi-discipline engineering, project delivery, controls & automation, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Audubon Companiesauduboncompanies.com HQ: Houston, LA, United StatesReported employees: 1,001-5,000 | Houston, LA, United States | 1,001-5,000 | Exact match | 1,699 contacts → |
“Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Englobalenglobal.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,223 contacts → |
“Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | EDGedg.net HQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 750 contacts → |
“EDG Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ingeneroingenero.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 559 contacts → |
“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | BECHTbecht.com HQ: Liberty Corner, NJ, United StatesReported employees: 501-1,000 | Liberty Corner, NJ, United States | 501-1,000 | Exact match | 542 contacts → |
“Becht partners with industrial operators across the energy and process sectors to solve complex challenges that impact safety, reliability, and profitability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Richardrichardepc.com HQ: Beaumont, TX, United StatesReported employees: 1,001-5,000 | Beaumont, TX, United States | 1,001-5,000 | Exact match | 520 contacts → |
“RICHARD is a full-service engineering, procurement and construction firm in the petrochemical and refining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Anvil Corporationanvilcorp.com HQ: Bellingham, CA, United StatesReported employees: 201-500 | Bellingham, CA, United States | 201-500 | Exact match | 454 contacts → |
“Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Recon Management Services, INCrecon-group.com HQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 424 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mangan INCmanganinc.com HQ: Long Beach, TX, United StatesReported employees: 201-500 | Long Beach, TX, United States | 201-500 | Exact match | 400 contacts → |
“Mangan Inc, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Renewable, Chemical, and Biopharm Industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | C&i Engineeringcieng.com HQ: Louisville, TX, United StatesReported employees: 201-500 | Louisville, TX, United States | 201-500 | Exact match | 333 contacts → |
“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | KAP Project Services, LTDkapproservices.com HQ: Deer Park, TX, United StatesReported employees: 201-500 | Deer Park, TX, United States | 201-500 | Exact match | 322 contacts → |
“KAP Project Services is a leading project management and consulting firm serving the petrochemical, power, LNG, pharmaceutical, and oil & gas industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fateh Groupfatehgroup.com HQ: Cherryfield, ME, United StatesReported employees: 1,001-5,000 | Cherryfield, ME, United States | 1,001-5,000 | Exact match | 285 contacts → |
“FATEH GROUP is committed to provide its customers with high-quality services and products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | M&hmhes.com HQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 275 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | H M Industrial EPChm-ec.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 269 contacts → |
“H+M Industrial EPC has provided end-to-end capital project solutions to the Energy and Chemicals industries since 1988.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Chemtexchemtexus.com HQ: Wilmington, NC, United StatesReported employees: 201-500 | Wilmington, NC, United States | 201-500 | Exact match | 255 contacts → |
“Chemtex is a global engineering and technology company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | BSI Engineeringbsiengr.com HQ: Mason, IL, United StatesReported employees: 201-500 | Mason, IL, United States | 201-500 | Exact match | 252 contacts → |
“BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ADF Engineering, INCadfengineering.com HQ: Miamisburg, OH, United StatesReported employees: 51-200 | Miamisburg, OH, United States | 51-200 | Exact match | 250 contacts → |
“ADF Engineering provides comprehensive Process and Facility engineering services to the food, feed, biofuels, bioscience, and consumer products industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Waldemar S. Nelson & Co., INCwsnelson.com HQ: New Orleans, TX, United StatesReported employees: 201-500 | New Orleans, TX, United States | 201-500 | Exact match | 220 contacts → |
“For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Engineering & Inspection Services, LLCeisllc.net HQ: Metairie, TX, United StatesReported employees: 201-500 | Metairie, TX, United States | 201-500 | Exact match | 197 contacts → |
“Engineering & Inspection Services (EIS) is a multidisciplinary engineering firm offering Engineering & Design, Field Services, Inspection & Mechanical Integrity, and Technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Stevens Engineers & Constructorsstevensec.com HQ: Middleburg Heights, IN, United StatesReported employees: 201-500 | Middleburg Heights, IN, United States | 201-500 | Exact match | 187 contacts → |
“STEVENS is a proven leader in engineering and construction, strategically serving clients throughout the world with exceptional workforce commitment and management experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sigma Engineers And Constructorssigmaec.com HQ: Baton Rouge, United StatesReported employees: 51-200 | Baton Rouge, United States | 51-200 | Exact match | 183 contacts → |
“Sigma Engineers and Constructors (SEC) is a professional engineering firm that provides specifically tailored services to meet the needs of North America's oil, gas, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GRSAgrsaeng.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 159 contacts → |
“GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pelican Energy Consultants, LLCpelicanenergy.com HQ: Covington, LA, United StatesReported employees: 51-200 | Covington, LA, United States | 51-200 | Exact match | 152 contacts → |
“Pelican Energy Consultants, LLC is a privately held Consulting Engineering Firm located in Covington, LA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 747 company matches
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Petrochemical process engineers: dataset insights
November 6, 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
744 records in the displayed employee bands.
3 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 747 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: November 6, 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 ↗
Petrochemical process engineers by metro
Questions about this company list
What does Exact match mean for petrochemical process engineers?
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 petrochemical process engineers did RevenueBase find based in the United States?
The saved snapshot records 747 matching company records, 34,544 tracked contacts and 9,941 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: November 6, 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 petrochemical process engineers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/petrochemical-process-engineers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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