Company lists · Data refreshed September 2026

Top 25 Residue upgrading companies worldwide

RevenueBase identified 335 company matches for residue upgrading companies worldwide as of September 2026 and tracks 30,433 professional contacts across them, including 7,299 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for residue upgrading companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026. Country and city lists for residue upgrading companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
335Companies
30,433Contacts tracked
7,299Verified emails
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The 25 largest residue upgrading companies worldwide

Ranked by team size
Top 25 of 335 company matches for residue upgrading companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Sep 21, 20261,001-5,0004,396 contacts →

Exact match

“CITGO Petroleum Corporation is a recognized leader in the refining industry and operates under the well-known CITGO brand.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchRabigh, Saudi ArabiaHQ recorded Sep 21, 20261,001-5,0003,005 contacts →

Exact match

“Rabigh Refining & Petrochemical Co- Petro Rabigh - was founded as a joint venture between Saudi Aramco and Sumitomo Chemical in 2005.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchWichita, KS, United StatesHQ recorded Sep 21, 20261,001-5,0002,891 contacts →

Exact match

“Flint Hills Resources is a leading refining company with operations primarily in the Midwest and Texas.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchJakarta, IndonesiaHQ recorded Sep 21, 2026501-1,0002,170 contacts →

Exact match

“Refining & Petrochemicals Business Group of Pertamina”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchRueil-malmaison, FranceHQ recorded Sep 21, 20261,001-5,0001,572 contacts →

Exact match

“The Axens Group offers a complete range of solutions for the conversion of oil and biomass into cleaner fuels, the production and purification of major petrochemical…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchRawalpindi, PakistanHQ recorded Sep 21, 2026501-1,0001,270 contacts →

Exact match

“Attock Refinery Limited (ARL) is the pioneer and pacesetter in Pakistan’s petroleum refining sector.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchChennai, IndiaHQ recorded Sep 21, 20261,001-5,0001,194 contacts →

Exact match

“Chennai Petroleum Corporation Limited (CPCL) is a subsidiary of IOCL with world class refining technologies and a dominant presence in South India.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchKarachi, PakistanHQ recorded Sep 21, 20261,001-5,0001,097 contacts →

Exact match

“National Refinery Limited ( NRL ) was incorporated on August 19, 1963 as a public limited company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchOrlem, IndiaHQ recorded Sep 21, 2026501-1,000966 contacts →

Exact match

“Dorf Ketal, a specialty chemicals manufacturer and services provider with a global presence, offers customers innovative chemical solutions and quick, decisive response to solve…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact match서울특별시, South KoreaHQ recorded Sep 21, 20261,001-5,000790 contacts →

Exact match

“GS 78 5.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchErnakulam, IndiaHQ recorded Sep 21, 20261,001-5,000680 contacts →

Exact match

“The BPCL Kochi Refinery, embarked on its journey in 1966 with a capacity of barrels per day.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchPriolo Gargallo, ItalyHQ recorded Sep 21, 20261,001-5,000469 contacts →

Exact match

“ISAB's refining, gasification and electricity cogeneration plants, included in the petrochemical of Priolo Gargallo (located in Sicily, between Catania and Syracuse), represent…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchZarqa, JordanHQ recorded Sep 21, 20261,001-5,000452 contacts →

Exact match

“Jordan Petroleum Refinery Company Ltd (JPRC) A crude oil refinery founded in 1956, started production in 1961.the Refinery site is located in the city of Zarqa around 35 km east…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 21, 20261,001-5,000440 contacts →

Exact match

“Ketjen is a provider of advanced catalyst solutions to leading producers in the petrochemical and refining industries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchCairo, EgyptHQ recorded Sep 21, 2026501-1,000415 contacts →

Exact match

“Performing the activity of crude oil refining and high-quality petroleum products processing, for domestic and international markets.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchGdansk, PolandHQ recorded Sep 21, 20261,001-5,000359 contacts →

Exact match

“Rafineria Gdańska Sp.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchPort Dickson, MalaysiaHQ recorded Sep 21, 2026501-1,000317 contacts →

Exact match

“Hengyuan Refining Company Berhad (HRC), formerly known as Shell Refining Company (Federation of Malaya) Berhad (SRC), was incorporated in Malaysia on 19 September 1960.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMuang, ThailandHQ recorded Sep 21, 2026201-500275 contacts →

Exact match

“Star Petroleum Refining Public Company Limited (“SPRC”) is one of the leading producers of petroleum products in Thailand and offers customers a reliable source of high quality…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchالقليوبية, EgyptHQ recorded Sep 21, 20261,001-5,000266 contacts →

Exact match

“Oil Refining”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 2026n/a233 contacts →

Exact match

“Chemical Engineering Partners (CEP) is a world leader in used oil re-refining designs and process technology.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchPieve Fissiraga, ItalyHQ recorded Sep 21, 2026501-1,000210 contacts →

Exact match

“Viscolube é l’azienda leader in Europa nella rigenerazione degli oli usati.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 21, 2026201-500202 contacts →

Exact match

“Vertex is a leading specialty refiner of base oils and conventional fuels.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchKarlsruhe, GermanyHQ recorded Sep 21, 20261,001-5,000150 contacts →

Exact match

“MiRO bewegt und wärmt mit „raffinierten“ Produkten.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchErbil, IraqHQ recorded Sep 21, 2026501-1,000133 contacts →

Exact match

“Lanaz refinery is equipped with modern technologies to achieve the full conversion of crude oil to final products.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchMombasa, KenyaHQ recorded Sep 21, 2026201-500124 contacts →

Exact match

“The Kenya Petroleum Refineries Limited was originally set up by Shell and the British Petroleum Company BP to serve the East African region in the supply of a wide variety of oil…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 335 residue upgrading companies worldwide

See the full list, filter by size, metro and specialty, and access 7,299 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residue upgrading companies worldwide at a glance

As of Sep 21, 2026
24.0%Verified-email coverage
90.8Average contacts per company
11-50Median size (employees)
5.1%Largest-city concentration · Houston
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
82
11-50
101
51-200
73
201-500
26
501-1,000
23
1,001-5,000
24
10001+
5

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for residue upgrading companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “residue upgrading companies” 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. 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 7,299 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 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.

Residue upgrading companies by location

2 lists · largest first

Every Residue upgrading companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “residue upgrading companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residue upgrading companies are there worldwide?

RevenueBase identified 335 company matches for residue upgrading companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most residue upgrading companies?

The United States leads with 73 companies, followed by India (28). Every residue upgrading companies list by country and city is linked on this page.

Which city has the most residue upgrading companies?

Houston leads with 17 company records, followed by Tehran (10) and Mumbai (4).

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 7,299 professional contacts with verified work emails tracked across these 335 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.