Company lists · Data refreshed September 2026
Top 25 Chemical plant design firms based in Saudi Arabia
RevenueBase identified 196 chemical plant design firms headquartered in Saudi Arabia as of September 2026 and tracks 5,837 professional contacts across them, including 572 with verified work emails. Riyadh is the largest hub.
This list covers chemical plant design firms headquartered in Saudi Arabia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 plant design firms based in Saudi Arabia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,113 contacts → | ||||
Indirect evidence “Zuhair Fayez stands as the region's foremost engineering and consulting firm, renowned for our innovative approach in architecture, project management, and oil and gas services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 446 contacts → | ||||
Partial evidence “Plant Tech Arabia Co.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 303 contacts → | ||||
Indirect evidence “Saudi Engineering Group International (SEGI) a multidisciplinary engineering and PMC service provider based in Dammam, Eastern Region with existing support offices in Southern…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 229 contacts → | ||||
Indirect evidence “Specialized Industrial Services Company (SISCO), is a locally owned and incorporated company headquartered in Jubail Industrial City.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 225 contacts → | ||||
Indirect evidence “شركة استشارات هندسية رائدة تأسست عام 2011 لتقدم خدمات الاستشارات الهندسية في الدراسات والتصميم وإدارة المشاريع والاشراف على التنفيذ بالإضافة لصياغة العقود الهندسية وتسوية النزاعات…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 135 contacts → | ||||
Indirect evidence “Saudi Tech – Engineering Consultants, was founded in 1977 (1397H).” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 109 contacts → | ||||
Indirect evidence “TESCO ENGINEERING: Your Strategic Partner for Innovative, Reliable, and High-Quality Industrial Solutions TESCO Engineering is a premier Saudi Arabian Engineering Powerhouse…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 104 contacts → | ||||
Indirect evidence “ANELKSA was found in 2010 in Jeddah/KSA.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 103 contacts → | ||||
Partial evidence “DAR Consulting Engineers is an Engineering & Design company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 95 contacts → | ||||
Partial evidence “AMCDE is a Saudi Arabian Company, established by the merger of Consulting and Design Engineering (CDE) and Abdulla Al-Moaibed Engineering (AME) providing a wide range of…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 94 contacts → | ||||
Indirect evidence “CEC is a trusted construction, engineering, and project management partner to industry and government.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 90 contacts → | ||||
Indirect evidence “Holy Rock and Green Flag Company is a leading Saudi company in the field of engineering consulting and contracting.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 88 contacts → | ||||
Partial evidence “SAHAM AL-SHAMAL ENGINEERING CONSULTANTS,(SASEC) which caters to design engineering projects in the Oil & Gas fields as well as industrial, water, power, energy and infrastructure…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 80 contacts → | ||||
Indirect evidence “BECT is a House of Expertise, established in Egypt since 1989, ventured in KSA in 2006 as a limited liability partnership, founded by two partners, Prof.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 53 contacts → | ||||
Indirect evidence “Having 10 years of experience under our belt and over 350 satisfied employees who have accelerated and taken our company to greater heights, Core Team Global has become the…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 42 contacts → | ||||
Indirect evidence “نعتبر نحن مكتب أكنان البناء للاستشارات الهندسية واستشارات السلامة الهندسية من المكاتب الهندسية الرائدة في مجال التصاميم وهندسة السلامة، كما نتمتع بالخبرات العالية في المجال…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 41 contacts → | ||||
Partial evidence “Al Gaswa Steel Industries Co.(AL GASWA) is an ASME (U-Stamp), NBIC (R-Stamp & NB) accredited & ISO 9001:2015 Certified that designs and manufactures Heat Exchangers, Pressure…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 39 contacts → | ||||
Indirect evidence “شركة نبراس حبوة nebras habwah co.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 36 contacts → | ||||
Partial evidence “Shine Company is involved in wide range of Engineering projects (down/upstream) for Oil & Gas, Petrochemical, Power plant, Energy & Mines industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 32 contacts → | ||||
Indirect evidence “Engineering Consulting Company was founded by insightful management and a team of engineering expertise And high-level management.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 31 contacts → | ||||
Partial evidence “Fuel includes consultants engineers in several fields related to engineering consulting- from design and planning to supervision and achievement.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 26 contacts → | ||||
Partial evidence “We provide engineering consultative services and high-quality architecture designs to find solutions to your engineering needs.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 23 contacts → | ||||
Partial evidence “Ammar Nasser Engineering Consultancy Office is a leading firm providing architectural design and engineering consulting services in Al Hofuf and Al-Ahsa.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 22 contacts → | ||||
Indirect evidence “HEC is renowned company in infrastructure & industrial engineering with 33 years of experience which made it a key partner of the world's largest industrial groups.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 22 contacts → | ||||
Indirect evidence “Petron’s core competence lies in delivering intricate Engineering, Construction and Industrial Services with matchless finesse to industry players across the world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: chemical plant design firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names chemical plant design firms.
- Partial evidence
- Its own public description names part of chemical plant design firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name chemical plant design firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 196 chemical plant design firms based in Saudi Arabia
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Chemical plant design firms based in Saudi Arabia at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Saudi Arabia, so it is reported there. Company counts and contact totals on this page are exact for Saudi Arabia, over 196 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among chemical plant design firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Saudi Arabia whose own description of what they do matches “chemical plant design firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names chemical plant design firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among chemical plant design firms, and records with no verified work email. Companies headquartered outside Saudi Arabia are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 572 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Chemical plant design firms by metro
- Chemical plant design firms in Riyadh54
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names chemical plant design firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many chemical plant design firms are there based in Saudi Arabia?
RevenueBase identified 196 chemical plant design firms headquartered in Saudi Arabia as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Zuhair Fayez, headquartered in Riyadh, tops this list with the largest team on record.
Which city has the most chemical plant design firms?
Riyadh leads with 54 headquartered companies, followed by Makkah (19) and Dammam (13).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 572 verified decision-maker contacts tracked across these 196 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.
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