Company lists · Data refreshed October 2026
Top 25 Chemical engineering contractors based in Houston, United States
RevenueBase identified 141 company matches for chemical engineering contractors associated with Houston, United States as of October 2026 and tracks 14,514 professional contacts across them, including 2,582 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for chemical engineering 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 9, 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 chemical engineering contractors based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,615 contacts → | ||||
Exact match “S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 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 9, 2026 · View company records in RevenueBase | |||||
| 3 | 1,203 contacts → | ||||
Exact match “Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 1,171 contacts → | ||||
Exact match “At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 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 9, 2026 · View company records in RevenueBase | |||||
| 6 | 551 contacts → | ||||
Exact match “Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 545 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 307 contacts → | ||||
Exact match “We are A-Team of engineers specializing in the energy industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 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 9, 2026 · View company records in RevenueBase | |||||
| 10 | 91 contacts → | ||||
Exact match “ZymeFlow® is the global leader in chemical decontamination of process equipment in refinery, petrochemical, gas, and specialty markets.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 86 contacts → | ||||
Exact match “Novetus is an engineering company that focuses on Capital Project Engineering, Project Controls, Asset Integrity, Safety & Risk Management, and Process Safety Management…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 55 contacts → | ||||
Exact match “BD Energy Systems LLC located in Houston, TX, USA is a world leading engineering company operating in the Petrochemical, Fertilizer, Refining, and Gas Processing industry…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 53 contacts → | ||||
Exact match “Azota is a leading provider of gas infrastructure projects based in Houston, Texas.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 49 contacts → | ||||
Exact match “Blackline Engineering, LLC is a Houston based engineering consulting firm that offers innovative design and project management services that are tailored for each client.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 45 contacts → | ||||
Exact match “Who We Are TKE was founded in Houston, Texas in 1992 by Terry Eleiott, PE and his wife Kathy Eleiott.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 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 9, 2026 · View company records in RevenueBase | |||||
| 17 | 40 contacts → | ||||
Exact match “OFD is a full-service engineering contractor committed to helping our client’s complete successful offshore and onshore oil and gas projects covering both upstream, midstream and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “Midstream & Terminal Services (MTS) is a privately-owned registered architectural and engineering company that serves a diverse set of industries.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “At X/Celerant, we help organizations in Chemicals, Construction, Manufacturing, and Energy unlock trapped value, optimize performance, and drive measurable, lasting results.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 28 contacts → | ||||
Exact match “Provider of Construction and Construction Management services to meet our client's needs.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 26 contacts → | ||||
Exact match “EMC Services, Inc, established in 1980, is your One Solution Engineering, Management and Construction Contractor; we have the knowledge and the experience to customize a solution…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “GR2 Engineering provides smart, expedited solutions tailored around a wide variety of technical, geographic, legislative, and environmental challenges.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 20 contacts → | ||||
Exact match “Ascent Engineering, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “Calcgen Solutions believes in quality engineering service delivery to our clients.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 17 contacts → | ||||
Exact match “Naslan Angola Lda is a member of the NASLAN GROUP.” Recorded in the RevenueBase company graph · Oct 9, 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 “chemical engineering 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 141 chemical engineering contractors based in Houston, United States
See the full list, filter by size, metro and specialty, and access 2,582 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Chemical engineering contractors based in Houston, United States at a glance
As of Oct 9, 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 141 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 “chemical engineering 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 2,582 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 9, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “chemical engineering contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many chemical engineering contractors are there based in Houston, United States?
RevenueBase identified 141 company matches for chemical engineering 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?
S&b 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 chemical engineering contractors?
Houston leads the United States with 141 company records, followed by Tulsa (20) and Austin (17).
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 2,582 professional contacts with verified work emails tracked across these 141 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 141 chemical engineering contractors based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Chemical engineering contractors by geography
- Chemical engineering contractors based in Buenos Aires, Argentina
- Chemical engineering contractors based in Perth, Australia
- Chemical engineering contractors based in Belo Horizonte, Brazil
- Chemical engineering contractors based in Curitiba, Brazil
- Chemical engineering contractors based in Rio De Janeiro, Brazil
- Chemical engineering contractors based in Sao Paulo, Brazil
- Chemical engineering contractors based in Calgary, Canada
- Chemical engineering contractors based in Toronto, Canada
- Chemical engineering contractors based in Ahmedabad, India
- Chemical engineering contractors based in Bangalore, India
- Chemical engineering contractors based in Chennai, India
- Chemical engineering contractors based in Gurgaon, India
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
- Chemical engineering contractors based in Buenos Aires, Argentina
- Chemical engineering contractors based in Perth, Australia
- Chemical engineering contractors based in Belo Horizonte, Brazil
- Chemical engineering contractors based in Curitiba, Brazil
- Chemical engineering contractors based in Rio De Janeiro, Brazil
- Chemical engineering contractors based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 chemical engineering 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 141 matching company records for chemical engineering contractors based in Houston, United States, with 14,514 tracked contacts and 2,582 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 9, 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 chemical engineering 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 |  S&bsbec.comHQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 3,615 contacts → |
“S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Englobalenglobal.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,203 contacts → |
“Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gulf Companiesgulfcompanies.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,171 contacts → |
“At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ingeneroingenero.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 551 contacts → |
“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Scmi INCscmi-inc.comHQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 545 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  ARIONarionblue.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 307 contacts → |
“We are A-Team of engineers specializing in the energy industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Zymeflowzymeflow.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 91 contacts → |
“ZymeFlow® is the global leader in chemical decontamination of process equipment in refinery, petrochemical, gas, and specialty markets.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Novetusnovetus.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 86 contacts → |
“Novetus is an engineering company that focuses on Capital Project Engineering, Project Controls, Asset Integrity, Safety & Risk Management, and Process Safety Management…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  BD Energy Systems, LLCbdenergysystems.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 55 contacts → |
“BD Energy Systems LLC located in Houston, TX, USA is a world leading engineering company operating in the Petrochemical, Fertilizer, Refining, and Gas Processing industry…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Azota GAS Processing, LTDazotaepc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 53 contacts → |
“Azota is a leading provider of gas infrastructure projects based in Houston, Texas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Blackline Engineering, LLCblackline-eng.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 contacts → |
“Blackline Engineering, LLC is a Houston based engineering consulting firm that offers innovative design and project management services that are tailored for each client.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  TKE Engineering & Designtke-engineering.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 45 contacts → |
“Who We Are TKE was founded in Houston, Texas in 1992 by Terry Eleiott, PE and his wife Kathy Eleiott.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  OIL Field Development Engineering OFDofdeng.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 40 contacts → |
“OFD is a full-service engineering contractor committed to helping our client’s complete successful offshore and onshore oil and gas projects covering both upstream, midstream and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Midstream & Terminal Services LLCmidstream-terminal.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 30 contacts → |
“Midstream & Terminal Services (MTS) is a privately-owned registered architectural and engineering company that serves a diverse set of industries.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  X Celerantxcelerant.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 28 contacts → |
“At X/Celerant, we help organizations in Chemicals, Construction, Manufacturing, and Energy unlock trapped value, optimize performance, and drive measurable, lasting results.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  L-Con, Inc.lexicon-inc.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 28 contacts → |
“Provider of Construction and Construction Management services to meet our client's needs.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  EMC Services INCemc-hou.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“EMC Services, Inc, established in 1980, is your One Solution Engineering, Management and Construction Contractor; we have the knowledge and the experience to customize a solution…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Gr2 Engineering INCgr2engineering.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 21 contacts → |
“GR2 Engineering provides smart, expedited solutions tailored around a wide variety of technical, geographic, legislative, and environmental challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ascent Engineering INCascentengineering.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Ascent Engineering, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Naslan Angola LDAnaslanenergy.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 17 contacts → |
“Naslan Angola Lda is a member of the NASLAN GROUP.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 141 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Chemical engineering contractors: dataset insights
October 9, 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
141 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 141 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 9, 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 ↗
Questions about this company list
What does Exact match mean for chemical engineering 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 chemical engineering contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 141 matching company records, 14,514 tracked contacts and 2,582 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 9, 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
Chemical engineering contractors by geography
- Chemical engineering contractors based in Buenos Aires, Argentina
- Chemical engineering contractors based in Perth, Australia
- Chemical engineering contractors based in Belo Horizonte, Brazil
- Chemical engineering contractors based in Curitiba, Brazil
- Chemical engineering contractors based in Rio De Janeiro, Brazil
- Chemical engineering contractors based in Sao Paulo, Brazil
- Chemical engineering contractors based in Calgary, Canada
- Chemical engineering contractors based in Toronto, Canada
- Chemical engineering contractors based in Ahmedabad, India
- Chemical engineering contractors based in Bangalore, India
- Chemical engineering contractors based in Chennai, India
- Chemical engineering contractors based in Gurgaon, India
Cite this list
RevenueBase Data Team. Top 25 chemical engineering contractors based in Houston, United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/chemical-engineering-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
- Chemical engineering contractors based in Buenos Aires, Argentina
- Chemical engineering contractors based in Perth, Australia
- Chemical engineering contractors based in Belo Horizonte, Brazil
- Chemical engineering contractors based in Curitiba, Brazil
- Chemical engineering contractors based in Rio De Janeiro, Brazil
- Chemical engineering contractors based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 chemical engineering contractors based in Houston, United States
RevenueBase records 141 matching company records for chemical engineering contractors based in Houston, United States, with 14,514 tracked contacts and 2,582 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 9, 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 chemical engineering 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 | S&bsbec.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 3,615 contacts → |
“S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Englobalenglobal.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,203 contacts → |
“Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gulf Companiesgulfcompanies.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,171 contacts → |
“At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ingeneroingenero.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 551 contacts → |
“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Scmi INCscmi-inc.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 545 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | ARIONarionblue.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 307 contacts → |
“We are A-Team of engineers specializing in the energy industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Zymeflowzymeflow.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 91 contacts → |
“ZymeFlow® is the global leader in chemical decontamination of process equipment in refinery, petrochemical, gas, and specialty markets.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Novetusnovetus.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 86 contacts → |
“Novetus is an engineering company that focuses on Capital Project Engineering, Project Controls, Asset Integrity, Safety & Risk Management, and Process Safety Management…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | BD Energy Systems, LLCbdenergysystems.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 55 contacts → |
“BD Energy Systems LLC located in Houston, TX, USA is a world leading engineering company operating in the Petrochemical, Fertilizer, Refining, and Gas Processing industry…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Azota GAS Processing, LTDazotaepc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 53 contacts → |
“Azota is a leading provider of gas infrastructure projects based in Houston, Texas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Blackline Engineering, LLCblackline-eng.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 contacts → |
“Blackline Engineering, LLC is a Houston based engineering consulting firm that offers innovative design and project management services that are tailored for each client.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TKE Engineering & Designtke-engineering.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 45 contacts → |
“Who We Are TKE was founded in Houston, Texas in 1992 by Terry Eleiott, PE and his wife Kathy Eleiott.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | OIL Field Development Engineering OFDofdeng.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 40 contacts → |
“OFD is a full-service engineering contractor committed to helping our client’s complete successful offshore and onshore oil and gas projects covering both upstream, midstream and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Midstream & Terminal Services LLCmidstream-terminal.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 30 contacts → |
“Midstream & Terminal Services (MTS) is a privately-owned registered architectural and engineering company that serves a diverse set of industries.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | X Celerantxcelerant.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 28 contacts → |
“At X/Celerant, we help organizations in Chemicals, Construction, Manufacturing, and Energy unlock trapped value, optimize performance, and drive measurable, lasting results.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | L-Con, Inc.lexicon-inc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 28 contacts → |
“Provider of Construction and Construction Management services to meet our client's needs.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | EMC Services INCemc-hou.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“EMC Services, Inc, established in 1980, is your One Solution Engineering, Management and Construction Contractor; we have the knowledge and the experience to customize a solution…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Gr2 Engineering INCgr2engineering.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 21 contacts → |
“GR2 Engineering provides smart, expedited solutions tailored around a wide variety of technical, geographic, legislative, and environmental challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ascent Engineering INCascentengineering.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Ascent Engineering, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Naslan Angola LDAnaslanenergy.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 17 contacts → |
“Naslan Angola Lda is a member of the NASLAN GROUP.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 141 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Chemical engineering contractors: dataset insights
October 9, 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
141 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 141 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 9, 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 ↗
Questions about this company list
What does Exact match mean for chemical engineering 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 chemical engineering contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 141 matching company records, 14,514 tracked contacts and 2,582 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 9, 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
Chemical engineering contractors by geography
- Chemical engineering contractors based in Buenos Aires, Argentina
- Chemical engineering contractors based in Perth, Australia
- Chemical engineering contractors based in Belo Horizonte, Brazil
- Chemical engineering contractors based in Curitiba, Brazil
- Chemical engineering contractors based in Rio De Janeiro, Brazil
- Chemical engineering contractors based in Sao Paulo, Brazil
- Chemical engineering contractors based in Calgary, Canada
- Chemical engineering contractors based in Toronto, Canada
- Chemical engineering contractors based in Ahmedabad, India
- Chemical engineering contractors based in Bangalore, India
- Chemical engineering contractors based in Chennai, India
- Chemical engineering contractors based in Gurgaon, India
Cite this list
RevenueBase Data Team. Top 25 chemical engineering contractors based in Houston, United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/chemical-engineering-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
- Chemical engineering contractors based in Buenos Aires, Argentina
- Chemical engineering contractors based in Perth, Australia
- Chemical engineering contractors based in Belo Horizonte, Brazil
- Chemical engineering contractors based in Curitiba, Brazil
- Chemical engineering contractors based in Rio De Janeiro, Brazil
- Chemical engineering contractors based in Sao Paulo, Brazil