Company lists · Data refreshed October 2026
Top 25 Refinery upgrade contractors based in the United States
RevenueBase identified 537 company matches for refinery upgrade contractors associated with the United States as of October 2026 and tracks 40,029 professional contacts across them, including 9,227 with verified work emails. Houston is the largest hub.
This list covers company matches for refinery upgrade contractors 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 October 22, 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 refinery upgrade contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,053 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 1,969 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 1,719 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 1,652 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 1,416 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 1,212 contacts → | ||||
Exact match “Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 911 contacts → | ||||
Exact match “Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 898 contacts → | ||||
Exact match “Repcon has earned a reputation for leading the industry in turnarounds, specialty welding, construction, pipe fabrication, and maintenance.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 736 contacts → | ||||
Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 734 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 725 contacts → | ||||
Exact match “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 678 contacts → | ||||
Exact match “USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 621 contacts → | ||||
Exact match “The Mundy Companies is a privately owned company headquartered in Houston, Texas with offices Pasadena, TX, Nederland, TX, and Wilmington, NC.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 535 contacts → | ||||
Exact match “ARB Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 518 contacts → | ||||
Exact match “Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 503 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 479 contacts → | ||||
Exact match “Turn2 Specialty Companies is the premier provider of specialty turnaround services in the refining, petrochemical, and power industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 447 contacts → | ||||
Exact match “With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 431 contacts → | ||||
Exact match “As part of the Quanta Services Family of Companies (NYSE: PWR)- Stronghold provides the safest, leanest, most efficient, quality solutions for the refinery, petrochemical and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 412 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 336 contacts → | ||||
Exact match “Since 1972, CUST-O-FAB has maintained a reputation of consistently providing quality ASME Code fabricated equipment and on-site services for the refining, petrochemical, syngas…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 325 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 322 contacts → | ||||
Exact match “The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 316 contacts → | ||||
Exact match “Echo Maintenance is a full-service industrial general contractor providing diverse support for maintenance, capital projects and turnarounds to petrochemical and chemical…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 315 contacts → | ||||
Exact match “Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded in the RevenueBase company graph · Oct 22, 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 “refinery upgrade contractors”. 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 537 refinery upgrade contractors based in the United States
See the full list, filter by size, metro and specialty, and access 9,227 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Refinery upgrade contractors based in the United States at a glance
As of Oct 22, 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 537 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 “refinery upgrade contractors” 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 9,227 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 October 22, 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.
Refinery upgrade contractors 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 “refinery upgrade contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many refinery upgrade contractors are there based in the United States?
RevenueBase identified 537 company matches for refinery upgrade contractors associated with the United States as of October 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 refinery upgrade contractors?
Houston leads with 94 company records, followed by Tulsa (14) and Midland (13).
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 9,227 professional contacts with verified work emails tracked across these 537 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 October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 537 refinery upgrade contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Refinery upgrade contractors by geography
- Refinery upgrade contractors based in Calgary, Canada
- Refinery upgrade contractors based in Mumbai, India
- Refinery upgrade contractors based in Tehran, Iran
- Refinery upgrade contractors based in Lagos, Nigeria
- Refinery upgrade contractors based in Port Harcourt, Nigeria
- Refinery upgrade contractors based in Singapore, Singapore
- Refinery upgrade contractors based in Abu Dhabi, United Arab Emirates
- Refinery upgrade contractors based in Dubai, United Arab Emirates
- Refinery upgrade contractors based in Houston, United States
- Refinery upgrade contractors based in Argentina
- Refinery upgrade contractors based in Australia
- Refinery upgrade contractors based in Brazil
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
- Refinery upgrade contractors based in Calgary, Canada
- Refinery upgrade contractors based in Mumbai, India
- Refinery upgrade contractors based in Tehran, Iran
- Refinery upgrade contractors based in Lagos, Nigeria
- Refinery upgrade contractors based in Port Harcourt, Nigeria
- Refinery upgrade contractors based in Singapore, Singapore
Company intelligence · public preview
Top 25 refinery upgrade contractors 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 537 matching company records for refinery upgrade contractors based in the United States, with 40,029 tracked contacts and 9,227 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: October 22, 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 refinery upgrade contractors 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 | 7,053 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Brown & Root Industrial Services, LLCbrownandroot.com HQ: Baton Rouge, LA, United StatesReported employees: 5,001-10,000 | Baton Rouge, LA, United States | 5,001-10,000 | Exact match | 1,969 contacts → |
“Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Austin Industrial, INCaustinindustrial.comHQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 1,719 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Audubon Companiesauduboncompanies.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,652 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bilfinger North Americabilfinger.comHQ: The Woodlands, TX, United StatesReported employees: 10001+ | The Woodlands, TX, United States | 10001+ | Exact match | 1,416 contacts → |
“As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Strikestrikeusa.com HQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 1,212 contacts → |
“Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Starcon International, INCstarconinternational.com HQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 911 contacts → |
“Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Repcon, INCrepcon.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 898 contacts → |
“Repcon has earned a reputation for leading the industry in turnarounds, specialty welding, construction, pipe fabrication, and maintenance.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  EDGedg.netHQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 736 contacts → |
“EDG Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Vepicavepica.comHQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 734 contacts → |
“Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wyatt Field Service Companywyattfieldservice.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 725 contacts → |
“WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | USA Debuskusadebusk.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 678 contacts → |
“USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The Mundy Companiesmundycos.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 621 contacts → |
“The Mundy Companies is a privately owned company headquartered in Houston, Texas with offices Pasadena, TX, Nederland, TX, and Wilmington, NC.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Arb, INCprim.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 535 contacts → |
“ARB Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Matrix Servicematrixservice.comHQ: Tulsa, OK, United StatesReported employees: 1,001-5,000 | Tulsa, OK, United States | 1,001-5,000 | Exact match | 518 contacts → |
“Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Richardrichardepc.com HQ: Beaumont, TX, United StatesReported employees: 1,001-5,000 | Beaumont, TX, United States | 1,001-5,000 | Exact match | 503 contacts → |
“RICHARD is a full-service engineering, procurement and construction firm in the petrochemical and refining industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Turn2 Specialty Companiesturn2sc.com HQ: Baytown, TX, United StatesReported employees: 1,001-5,000 | Baytown, TX, United States | 1,001-5,000 | Exact match | 479 contacts → |
“Turn2 Specialty Companies is the premier provider of specialty turnaround services in the refining, petrochemical, and power industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CAM Industrial Solutions LLCcamindustrialsolutions.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 447 contacts → |
“With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  The Stronghold Companiesthestrongholdcompanies.comHQ: La Porte, TX, United StatesReported employees: 5,001-10,000 | La Porte, TX, United States | 5,001-10,000 | Exact match | 431 contacts → |
“As part of the Quanta Services Family of Companies (NYSE: PWR)- Stronghold provides the safest, leanest, most efficient, quality solutions for the refinery, petrochemical and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Recon Management Services, INCrecon-group.comHQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 412 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cust-O-Fabcustofab.com HQ: Sand Springs, OK, United StatesReported employees: 201-500 | Sand Springs, OK, United States | 201-500 | Exact match | 336 contacts → |
“Since 1972, CUST-O-FAB has maintained a reputation of consistently providing quality ASME Code fabricated equipment and on-site services for the refining, petrochemical, syngas…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  C&i Engineeringcieng.comHQ: Louisville, KY, United StatesReported employees: 201-500 | Louisville, KY, United States | 201-500 | Exact match | 325 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  GIS Engineering, LLCgisyeng.comHQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 322 contacts → |
“The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Echo Maintenance LLCechomaintenance.com HQ: Nederland, TX, United StatesReported employees: 1,001-5,000 | Nederland, TX, United States | 1,001-5,000 | Exact match | 316 contacts → |
“Echo Maintenance is a full-service industrial general contractor providing diverse support for maintenance, capital projects and turnarounds to petrochemical and chemical…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kestrel Engineering, INCkestreleng.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 315 contacts → |
“Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 537 company matches
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Refinery upgrade contractors: dataset insights
October 22, 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
537 records in the displayed employee bands.
0 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 537 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: October 22, 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 ↗
Refinery upgrade contractors by metro
Questions about this company list
What does Exact match mean for refinery upgrade contractors?
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 refinery upgrade contractors did RevenueBase find based in the United States?
The saved snapshot records 537 matching company records, 40,029 tracked contacts and 9,227 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: October 22, 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
Refinery upgrade contractors by geography
- Refinery upgrade contractors based in Calgary, Canada
- Refinery upgrade contractors based in Mumbai, India
- Refinery upgrade contractors based in Tehran, Iran
- Refinery upgrade contractors based in Lagos, Nigeria
- Refinery upgrade contractors based in Port Harcourt, Nigeria
- Refinery upgrade contractors based in Singapore, Singapore
- Refinery upgrade contractors based in Abu Dhabi, United Arab Emirates
- Refinery upgrade contractors based in Dubai, United Arab Emirates
- Refinery upgrade contractors based in Houston, United States
- Refinery upgrade contractors based in Argentina
- Refinery upgrade contractors based in Australia
- Refinery upgrade contractors based in Brazil
Cite this list
RevenueBase Data Team. Top 25 refinery upgrade contractors based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/refinery-upgrade-contractors/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
- Refinery upgrade contractors based in Calgary, Canada
- Refinery upgrade contractors based in Mumbai, India
- Refinery upgrade contractors based in Tehran, Iran
- Refinery upgrade contractors based in Lagos, Nigeria
- Refinery upgrade contractors based in Port Harcourt, Nigeria
- Refinery upgrade contractors based in Singapore, Singapore
Company intelligence · public preview
Top 25 refinery upgrade contractors based in the United States
RevenueBase records 537 matching company records for refinery upgrade contractors based in the United States, with 40,029 tracked contacts and 9,227 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: October 22, 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 refinery upgrade contractors 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 | 7,053 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Brown & Root Industrial Services, LLCbrownandroot.com HQ: Baton Rouge, LA, United StatesReported employees: 5,001-10,000 | Baton Rouge, LA, United States | 5,001-10,000 | Exact match | 1,969 contacts → |
“Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Austin Industrial, INCaustinindustrial.com HQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 1,719 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Audubon Companiesauduboncompanies.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,652 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bilfinger North Americabilfinger.com HQ: The Woodlands, TX, United StatesReported employees: 10001+ | The Woodlands, TX, United States | 10001+ | Exact match | 1,416 contacts → |
“As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Strikestrikeusa.com HQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 1,212 contacts → |
“Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Starcon International, INCstarconinternational.com HQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 911 contacts → |
“Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Repcon, INCrepcon.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 898 contacts → |
“Repcon has earned a reputation for leading the industry in turnarounds, specialty welding, construction, pipe fabrication, and maintenance.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | EDGedg.net HQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 736 contacts → |
“EDG Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vepicavepica.com HQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 734 contacts → |
“Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wyatt Field Service Companywyattfieldservice.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 725 contacts → |
“WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | USA Debuskusadebusk.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 678 contacts → |
“USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The Mundy Companiesmundycos.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 621 contacts → |
“The Mundy Companies is a privately owned company headquartered in Houston, Texas with offices Pasadena, TX, Nederland, TX, and Wilmington, NC.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Arb, INCprim.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 535 contacts → |
“ARB Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Matrix Servicematrixservice.com HQ: Tulsa, OK, United StatesReported employees: 1,001-5,000 | Tulsa, OK, United States | 1,001-5,000 | Exact match | 518 contacts → |
“Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Richardrichardepc.com HQ: Beaumont, TX, United StatesReported employees: 1,001-5,000 | Beaumont, TX, United States | 1,001-5,000 | Exact match | 503 contacts → |
“RICHARD is a full-service engineering, procurement and construction firm in the petrochemical and refining industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Turn2 Specialty Companiesturn2sc.com HQ: Baytown, TX, United StatesReported employees: 1,001-5,000 | Baytown, TX, United States | 1,001-5,000 | Exact match | 479 contacts → |
“Turn2 Specialty Companies is the premier provider of specialty turnaround services in the refining, petrochemical, and power industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CAM Industrial Solutions LLCcamindustrialsolutions.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 447 contacts → |
“With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Stronghold Companiesthestrongholdcompanies.com HQ: La Porte, TX, United StatesReported employees: 5,001-10,000 | La Porte, TX, United States | 5,001-10,000 | Exact match | 431 contacts → |
“As part of the Quanta Services Family of Companies (NYSE: PWR)- Stronghold provides the safest, leanest, most efficient, quality solutions for the refinery, petrochemical and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Recon Management Services, INCrecon-group.com HQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 412 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cust-O-Fabcustofab.com HQ: Sand Springs, OK, United StatesReported employees: 201-500 | Sand Springs, OK, United States | 201-500 | Exact match | 336 contacts → |
“Since 1972, CUST-O-FAB has maintained a reputation of consistently providing quality ASME Code fabricated equipment and on-site services for the refining, petrochemical, syngas…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | C&i Engineeringcieng.com HQ: Louisville, KY, United StatesReported employees: 201-500 | Louisville, KY, United States | 201-500 | Exact match | 325 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | GIS Engineering, LLCgisyeng.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 322 contacts → |
“The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Echo Maintenance LLCechomaintenance.com HQ: Nederland, TX, United StatesReported employees: 1,001-5,000 | Nederland, TX, United States | 1,001-5,000 | Exact match | 316 contacts → |
“Echo Maintenance is a full-service industrial general contractor providing diverse support for maintenance, capital projects and turnarounds to petrochemical and chemical…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kestrel Engineering, INCkestreleng.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 315 contacts → |
“Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 537 company matches
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Refinery upgrade contractors: dataset insights
October 22, 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
537 records in the displayed employee bands.
0 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 537 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: October 22, 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 ↗
Refinery upgrade contractors by metro
Questions about this company list
What does Exact match mean for refinery upgrade contractors?
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 refinery upgrade contractors did RevenueBase find based in the United States?
The saved snapshot records 537 matching company records, 40,029 tracked contacts and 9,227 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: October 22, 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 refinery upgrade contractors based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/refinery-upgrade-contractors/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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