Company lists · Data refreshed September 2026
Top 23 Infrastructure conglomerates based in Riyadh, Saudi Arabia
RevenueBase identified 172 infrastructure conglomerates headquartered in Riyadh, Saudi Arabia as of September 2026 and tracks 21,389 professional contacts across them, including 1,912 with verified work emails. Riyadh is the largest hub.
This list covers infrastructure conglomerates headquartered in Riyadh, 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 20, 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 23 largest infrastructure conglomerates based in Riyadh, Saudi Arabia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,720 contacts → | ||||
Indirect evidence “Founded in the mid-1970s by Prince Turki bin Abdullah bin Abdulrahman Al Saud, a forward-thinking engineering pioneer, Dar Al Riyadh has evolved into the Kingdom's leading…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,820 contacts → | ||||
Indirect evidence “ABV Rock Group is a construction contractor that operates in several interlinked sectors covering buildings and civil works, and acts as a principal and specialist contractor.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 907 contacts → | ||||
Partial evidence “Mohammed Ali Al swailem Group (MASCO) is a general contractor specialized in different field of construction that range from infrastructure to building, water, environmental and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 781 contacts → | ||||
Indirect evidence “Thabat Construction (Previously known as Al Muhaidib Contracting) was established in 1398 (H), 1977 (G) and is fully Saudi owned.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 497 contacts → | ||||
Indirect evidence “Mohammed Al-Rashid Contracting Co.(MARCO) is one of Saudi Arabia’s largest construction companies in the field of building contracting.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 420 contacts → | ||||
Indirect evidence “Al-Fouzan Trading and Contracting Co.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 403 contacts → | ||||
Partial evidence “UNIMAC is a specialized heavy civil contracting company that focuses on the design, construction, and maintenance of infrastructure.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 391 contacts → | ||||
Indirect evidence “One of the companies of the Tamimi Group.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 347 contacts → | ||||
Indirect evidence “Established in 1964, Abdullah Ibrahim Al Sayegh and Sons Company a Closed Joint Stock Co.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 326 contacts → | ||||
Indirect evidence “Introduction Alomaier trading and contracting company was founded as a joint venture company in 1398 H.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 297 contacts → | ||||
Partial evidence “Deals in all types of building construction work & Infrastructure development from design to execution with complete MEP works.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 295 contacts → | ||||
Partial evidence “Abyatona Real Estate Development | We build sustainable urban communities through integrated infrastructure and superstructure development.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 273 contacts → | ||||
Partial evidence “Nour Communications is a business conglomerate offering an umbrella of services through its various divisions - Nour Telecom, NourNet, Nour Fiber Networks, Nour Energy, Nour Civil…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 241 contacts → | ||||
Partial evidence “With over 60 years of expertise, AJi designs smart to build better, delivering progressive solutions in architecture, engineering, and total infrastructure to empower communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 226 contacts → | ||||
Indirect evidence “SAMA’s humble beginning was in the year 1990.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 209 contacts → | ||||
Indirect evidence “The Company was founded in 1398 Hijri corresponding to1978 by Sheikh / Finjal Bin Sultan Elotibi.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 202 contacts → | ||||
Indirect evidence “Mfaheem Al Emar one of the largest construction and engineering firms in Saudi Arabia, where the company offers a variety of services to its clients, such as construction, design…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 170 contacts → | ||||
Partial evidence “Mowah is a water, energy and social infrastructure developer and operator.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 168 contacts → | ||||
Indirect evidence “Throughout its journey, Al-Masar Al-Hadeeth Co.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 164 contacts → | ||||
Indirect evidence “Vision Invest is a leading Saudi Arabian development and investment holding company at the forefront of Public and Private Sector Partnerships in the Kingdom of Saudi Arabia, the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 156 contacts → | ||||
Partial evidence “Saudi Tumpane carries out public infrastructure and electro-mechanical works in Saudi Arabia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 153 contacts → | ||||
Indirect evidence “Al Rajhi Holding Group is a well established and diversified business group located in KSA where most companies exist in addition to UAE.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 135 contacts → | ||||
Indirect evidence “Saudi Tech – Engineering Consultants, was founded in 1977 (1397H).” Source: RevenueBase Database · checked Sep 20, 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: infrastructure conglomerates. 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 infrastructure conglomerates.
- Partial evidence
- Its own public description names part of infrastructure conglomerates, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name infrastructure conglomerates. 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 23 of 172 infrastructure conglomerates based in Riyadh, Saudi Arabia
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Infrastructure conglomerates based in Riyadh, Saudi Arabia at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole Saudi Arabia list rather than for Riyadh, so it is reported there. Company counts and contact totals on this page are exact for Riyadh, over 172 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 infrastructure conglomerates, 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 Riyadh, Saudi Arabia whose own description of what they do matches “infrastructure conglomerates”. 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 infrastructure conglomerates), 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 infrastructure conglomerates, and records with no verified work email. Companies headquartered outside Riyadh 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, 1,912 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 20, 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.
Infrastructure conglomerates by metro in Saudi Arabia
- Infrastructure conglomerates in Riyadh172
- Infrastructure conglomerates in Dammam40
- Infrastructure conglomerates in Jeddah28
- Infrastructure conglomerates in Makkah28
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 infrastructure conglomerates, 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 infrastructure conglomerates are there based in Riyadh, Saudi Arabia?
RevenueBase identified 172 infrastructure conglomerates headquartered in Riyadh, 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?
دار الرياض DAR AL Riyadh, headquartered in Riyadh, tops this list with the largest team on record.
Which city has the most infrastructure conglomerates?
Riyadh leads with 172 headquartered companies, followed by Dammam (40) and Jeddah (28).
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 1,912 verified decision-maker contacts tracked across these 172 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 20, 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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