Company lists · Data refreshed October 2026
Top 25 Refinery piping contractors based in Houston, United States
RevenueBase identified 107 company matches for refinery piping contractors associated with Houston, United States as of October 2026 and tracks 6,971 professional contacts across them, including 2,604 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for refinery piping contractors associated with Houston, 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 piping contractors based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 988 contacts → | ||||
Exact match “DNOW is a premier energy and industrial solutions provider with a legacy of over 160 years as a leading distributor of pipe, valves, fittings (PVF), pumps and fabricated equipment.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 573 contacts → | ||||
Exact match “Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 558 contacts → | ||||
Exact match “Troy has been serving the pipeline industry by providing safe and efficient pipeline construction and maintenance for more than 70 years.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 495 contacts → | ||||
Exact match “With over 1.9 million square feet of fabrication and manufacturing capacity worldwide, The Shaw Group offers premier project delivery services, module fabrication (including…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 252 contacts → | ||||
Exact match “Gulfspan Industrial, LLC is a mechanical construction and industrial services company that specializes in performing turnarounds, capital projects, and maintenance.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 199 contacts → | ||||
Exact match “For over 50 years, WeldFit has been a leading global manufacturer of standard and custom products for the pipeline, oilfield, refining, and petrochemical industries, and dedicated…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 192 contacts → | ||||
Exact match “Gulf Island is a leading fabricator of complex steel structures and modules and provider of specialty services, including project management, hookup, commissioning, repair…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 158 contacts → | ||||
Exact match “MPG Pipeline Contractors, LLC is a wholly-owned subsidiary of Partners Pipeline Construction, LLC with corporate offices located in Houston, TX & New Iberia, LA.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 136 contacts → | ||||
Exact match “Holloman Corporation is an Engineering, Procurement, and Construction company with capabilities to design, build, and service energy-related projects on a global level.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 112 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 73 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 56 contacts → | ||||
Exact match “At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 52 contacts → | ||||
Exact match “WB Pipeline is an industry leading oil & gas construction company specializing in safe and efficient pipeline and facility construction, fabrication, integrity construction…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 49 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 49 contacts → | ||||
Exact match “Constellation Industries, LLC is an innovative pipe fabrication and service company providing unique value to customers in the Oil & Gas, Petrochemical, Power and Industrial…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “Diamond Refractory specializes in the installation and repair of refractory materials for critical units in process plants.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 42 contacts → | ||||
Exact match “PSI Constructors is an industrial construction and field services company providing mechanical, structural, millwright, piping, fabrication, and maintenance solutions throughout…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 25 contacts → | ||||
Exact match “WFI International engineers and manufacturers a variety of piping products, branch connections, specialty fittings, and pressure vessel components.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 20 contacts → | ||||
Exact match “Founded in 2005, Pennum Industries specializes in the engineering, design, and fabrication of complex skid packages, offshore piping and structural steel systems, pipeline…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 19 contacts → | ||||
Exact match “Calcgen Solutions believes in quality engineering service delivery to our clients.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “Mantis Piping, formerly PJ Piping, supplies pipe, fittings, flanges, and associated piping components to the Energy industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “Recognized throughout the oil and gas industry for consulting expertise in materials, fabrication, and engineering, Microalloying focuses on critical pipelines, both onshore and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match “The company was born in 2004 as Innova Inspection Services.” 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 piping 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 107 refinery piping contractors based in Houston, United States
See the full list, filter by size, metro and specialty, and access 2,604 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Refinery piping contractors based in Houston, United States at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 107 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 Houston, United States whose business descriptions match “refinery piping 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 2,604 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 piping contractors by metro in the United States
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 piping contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many refinery piping contractors are there based in Houston, United States?
RevenueBase identified 107 company matches for refinery piping contractors associated with Houston, 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?
Audubon Companies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most refinery piping contractors?
Houston leads the United States with 107 company records, followed by Tulsa (25) and Baton Rouge (16).
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 2,604 professional contacts with verified work emails tracked across these 107 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 107 refinery piping contractors based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Refinery piping contractors by geography
- Refinery piping contractors based in Mumbai, India
- Refinery piping contractors based in Singapore, Singapore
- Refinery piping contractors based in Dubai, United Arab Emirates
- Refinery piping contractors based in Tulsa, United States
- Refinery piping contractors based in Argentina
- Refinery piping contractors based in Australia
- Refinery piping contractors based in Belgium
- Refinery piping contractors based in Brazil
- Refinery piping contractors based in Canada
- Refinery piping contractors based in Chile
- Refinery piping contractors based in France
- Refinery piping contractors based in Germany
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 piping contractors based in Mumbai, India
- Refinery piping contractors based in Singapore, Singapore
- Refinery piping contractors based in Dubai, United Arab Emirates
- Refinery piping contractors based in Tulsa, United States
- Refinery piping contractors based in Argentina
- Refinery piping contractors based in Australia
Company intelligence · public preview
Top 25 refinery piping contractors based in Houston, 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 107 matching company records for refinery piping contractors based in Houston, United States, with 6,971 tracked contacts and 2,604 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 piping contractors based in Houston, 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 |  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. | |||||
| 2 | DNOWdnow.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 988 contacts → |
“DNOW is a premier energy and industrial solutions provider with a legacy of over 160 years as a leading distributor of pipe, valves, fittings (PVF), pumps and fabricated equipment.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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. | |||||
| 4 |  W-Industriesw-industries.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 573 contacts → |
“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Troy Companiesthetroycompanies.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 558 contacts → |
“Troy has been serving the pipeline industry by providing safe and efficient pipeline construction and maintenance for more than 70 years.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Shaw Grouptheshawgrp.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 495 contacts → |
“With over 1.9 million square feet of fabrication and manufacturing capacity worldwide, The Shaw Group offers premier project delivery services, module fabrication (including…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Gulfspan Industrial LLCgulfspan.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 252 contacts → |
“Gulfspan Industrial, LLC is a mechanical construction and industrial services company that specializes in performing turnarounds, capital projects, and maintenance.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Weldfitweldfit.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 199 contacts → |
“For over 50 years, WeldFit has been a leading global manufacturer of standard and custom products for the pipeline, oilfield, refining, and petrochemical industries, and dedicated…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Gulf Islandgulfisland.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 192 contacts → |
“Gulf Island is a leading fabricator of complex steel structures and modules and provider of specialty services, including project management, hookup, commissioning, repair…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MPG Pipeline Contractors, LLCmpg-plc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 158 contacts → |
“MPG Pipeline Contractors, LLC is a wholly-owned subsidiary of Partners Pipeline Construction, LLC with corporate offices located in Houston, TX & New Iberia, LA.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Holloman Corporationhollomancorp.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 136 contacts → |
“Holloman Corporation is an Engineering, Procurement, and Construction company with capabilities to design, build, and service energy-related projects on a global level.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  U.S. Pipelineuspipeline.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 112 contacts → |
“U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Humphrey Company, LTDhumphreyltd.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 73 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Freedom Waterworksfreedomwaterworks.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 56 contacts → |
“At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | WB Pipeline, LLCwbpipeline.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 52 contacts → |
“WB Pipeline is an industry leading oil & gas construction company specializing in safe and efficient pipeline and facility construction, fabrication, integrity construction…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | U.S. Metals, INCusmetals.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 49 contacts → |
“U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Constellation Industriesconstellation-ind.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 contacts → |
“Constellation Industries, LLC is an innovative pipe fabrication and service company providing unique value to customers in the Oil & Gas, Petrochemical, Power and Industrial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Diamond Refractory Services, LLCdiamondrefractory.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 48 contacts → |
“Diamond Refractory specializes in the installation and repair of refractory materials for critical units in process plants.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  PSI Constructorsprofabservices.caHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 42 contacts → |
“PSI Constructors is an industrial construction and field services company providing mechanical, structural, millwright, piping, fabrication, and maintenance solutions throughout…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | WFI Internationalwfi-intl.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 25 contacts → |
“WFI International engineers and manufacturers a variety of piping products, branch connections, specialty fittings, and pressure vessel components.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Pennum Industriespennum.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 20 contacts → |
“Founded in 2005, Pennum Industries specializes in the engineering, design, and fabrication of complex skid packages, offshore piping and structural steel systems, pipeline…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Calcgen Solutionscalcgen.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 19 contacts → |
“Calcgen Solutions believes in quality engineering service delivery to our clients.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mantis Pipingmantispiping.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“Mantis Piping, formerly PJ Piping, supplies pipe, fittings, flanges, and associated piping components to the Energy industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Microalloying International INCmicroalloying.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“Recognized throughout the oil and gas industry for consulting expertise in materials, fabrication, and engineering, Microalloying focuses on critical pipelines, both onshore and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Innova Energy Servicesinnova-es.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 15 contacts → |
“The company was born in 2004 as Innova Inspection Services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 107 company matches
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Refinery piping 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
107 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 across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 107 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 piping contractors by metro in the United States
Questions about this company list
What does Exact match mean for refinery piping 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 piping contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 107 matching company records, 6,971 tracked contacts and 2,604 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 piping contractors by geography
- Refinery piping contractors based in Mumbai, India
- Refinery piping contractors based in Singapore, Singapore
- Refinery piping contractors based in Dubai, United Arab Emirates
- Refinery piping contractors based in Tulsa, United States
- Refinery piping contractors based in Argentina
- Refinery piping contractors based in Australia
- Refinery piping contractors based in Belgium
- Refinery piping contractors based in Brazil
- Refinery piping contractors based in Canada
- Refinery piping contractors based in Chile
- Refinery piping contractors based in France
- Refinery piping contractors based in Germany
Cite this list
RevenueBase Data Team. Top 25 refinery piping contractors based in Houston, United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/refinery-piping-contractors/united-states/houston.
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 piping contractors based in Mumbai, India
- Refinery piping contractors based in Singapore, Singapore
- Refinery piping contractors based in Dubai, United Arab Emirates
- Refinery piping contractors based in Tulsa, United States
- Refinery piping contractors based in Argentina
- Refinery piping contractors based in Australia
Company intelligence · public preview
Top 25 refinery piping contractors based in Houston, United States
RevenueBase records 107 matching company records for refinery piping contractors based in Houston, United States, with 6,971 tracked contacts and 2,604 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 piping contractors based in Houston, 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 | 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. | |||||
| 2 | DNOWdnow.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 988 contacts → |
“DNOW is a premier energy and industrial solutions provider with a legacy of over 160 years as a leading distributor of pipe, valves, fittings (PVF), pumps and fabricated equipment.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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. | |||||
| 4 | W-Industriesw-industries.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 573 contacts → |
“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Troy Companiesthetroycompanies.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 558 contacts → |
“Troy has been serving the pipeline industry by providing safe and efficient pipeline construction and maintenance for more than 70 years.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Shaw Grouptheshawgrp.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 495 contacts → |
“With over 1.9 million square feet of fabrication and manufacturing capacity worldwide, The Shaw Group offers premier project delivery services, module fabrication (including…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gulfspan Industrial LLCgulfspan.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 252 contacts → |
“Gulfspan Industrial, LLC is a mechanical construction and industrial services company that specializes in performing turnarounds, capital projects, and maintenance.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Weldfitweldfit.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 199 contacts → |
“For over 50 years, WeldFit has been a leading global manufacturer of standard and custom products for the pipeline, oilfield, refining, and petrochemical industries, and dedicated…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Gulf Islandgulfisland.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 192 contacts → |
“Gulf Island is a leading fabricator of complex steel structures and modules and provider of specialty services, including project management, hookup, commissioning, repair…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MPG Pipeline Contractors, LLCmpg-plc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 158 contacts → |
“MPG Pipeline Contractors, LLC is a wholly-owned subsidiary of Partners Pipeline Construction, LLC with corporate offices located in Houston, TX & New Iberia, LA.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Holloman Corporationhollomancorp.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 136 contacts → |
“Holloman Corporation is an Engineering, Procurement, and Construction company with capabilities to design, build, and service energy-related projects on a global level.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | U.S. Pipelineuspipeline.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 112 contacts → |
“U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Humphrey Company, LTDhumphreyltd.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 73 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Freedom Waterworksfreedomwaterworks.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 56 contacts → |
“At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | WB Pipeline, LLCwbpipeline.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 52 contacts → |
“WB Pipeline is an industry leading oil & gas construction company specializing in safe and efficient pipeline and facility construction, fabrication, integrity construction…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | U.S. Metals, INCusmetals.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 49 contacts → |
“U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Constellation Industriesconstellation-ind.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 contacts → |
“Constellation Industries, LLC is an innovative pipe fabrication and service company providing unique value to customers in the Oil & Gas, Petrochemical, Power and Industrial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Diamond Refractory Services, LLCdiamondrefractory.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 48 contacts → |
“Diamond Refractory specializes in the installation and repair of refractory materials for critical units in process plants.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PSI Constructorsprofabservices.ca HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 42 contacts → |
“PSI Constructors is an industrial construction and field services company providing mechanical, structural, millwright, piping, fabrication, and maintenance solutions throughout…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | WFI Internationalwfi-intl.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 25 contacts → |
“WFI International engineers and manufacturers a variety of piping products, branch connections, specialty fittings, and pressure vessel components.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pennum Industriespennum.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 20 contacts → |
“Founded in 2005, Pennum Industries specializes in the engineering, design, and fabrication of complex skid packages, offshore piping and structural steel systems, pipeline…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Calcgen Solutionscalcgen.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 19 contacts → |
“Calcgen Solutions believes in quality engineering service delivery to our clients.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mantis Pipingmantispiping.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“Mantis Piping, formerly PJ Piping, supplies pipe, fittings, flanges, and associated piping components to the Energy industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Microalloying International INCmicroalloying.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“Recognized throughout the oil and gas industry for consulting expertise in materials, fabrication, and engineering, Microalloying focuses on critical pipelines, both onshore and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Innova Energy Servicesinnova-es.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 15 contacts → |
“The company was born in 2004 as Innova Inspection Services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 107 company matches
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Refinery piping 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
107 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 across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 107 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 piping contractors by metro in the United States
Questions about this company list
What does Exact match mean for refinery piping 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 piping contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 107 matching company records, 6,971 tracked contacts and 2,604 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
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Cite this list
RevenueBase Data Team. Top 25 refinery piping contractors based in Houston, United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/refinery-piping-contractors/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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