Oman— OM

Company data in Oman, by industry

Browse Oman company directories across 56 industries — 286,373 businesses in the InfobelPRO database, registry-sourced from Oman Ministry of Commerce, Industry and Investment Promotion and enriched with firmographics, location, financials and group structure.

286,373

Registered companies

Largest company

Construction of residential and non-residential buildings

Largest sector

Looking for exportable records? See our Oman business database.

Comparing vendors? Read Best B2B data providers in Oman.

Rankings

Largest companies in Oman

By revenue, one row per corporate group — reported (actual) revenue, updated September 2026.

#	Company (group)	Industry	HQ	Revenue (USD)
1	OQ	Support activities for petroleum and natural gas extraction	Muscat	$40B
2	ELECTRICITY HOLDING COMPANY	Electrical installation	Muscat	$5.1B
3	BANK MUSCAT	Other monetary intermediation	Muscat	$2.2B
4	OQ EXPLORATION AND PRODUCTION	Support activities for petroleum and natural gas extraction	Al Seeb	$1.9B
5	OMAN OIL MARKETING COMPANY SAOG	Other retail sale of new goods in specialised stores	Al Seeb	$1.9B
6	JINDAL STEEL SOHAR	Manufacture of basic iron and steel and of ferro-alloys	Sohar	$1.8B
7	AL MAHA PETROLEUM PRODUCTS MARKETING CO	Wholesale of solid, liquid and gaseous fuels and related products	Muscat	$1.3B
8	SHELL OMAN MARKETING COMPANY	Retail sale of flowers, plants, seeds, fertilisers, pet animals and pet food in specialised stores	Muscat	$1.3B
9	MAJID AL FUTTAIM COMMERCIAL CENTRE	Non-specialised wholesale of food, beverages and tobacco	Muscat	$1.2B
10	OMAN INVESTMENT AUTHORITY	Inland freight water transport	Muscat	$951M
11	ELECTRICITY HOLDING COMPANY	Electric power generation, transmission and distribution	Muscat	$798M
12	MAZOON ELECTRICITY COMPANY (SAOC)	Electric power generation, transmission and distribution	Muscat	$756M
13	OMAN CABLES INDUSTRY (SAOG)	Manufacture of wiring and wiring devices	Rusayl	$746M
14	GALFAR ENGINEERING AND CONTRACTING	Engineering activities and related technical consultancy	Ghala	$707M
15	LIVA GROUP	Life insurance	Muscat	$656M

Top 15 of 25 · OMANI QATARI TELECOMMUNICATION COMPANY, BANK DHOFAR SAOG, PHOENIX POWER COMPANY SAOG, OMAN ARAB BANK SAOG, OMAN ARAB BANK SAOC, OQ BASE INDUSTRIES (SFZ), MUSCAT PHARMACY AND STORES, ABRAJ ENERGY SERVICES, AL JAZEERA STEEL PRODUCTS COMPANY SAOG, OMAN FLOUR MILLS COMPANY follow. Methodology →

OQ leads by reported revenue at $40B, the largest of 25 ranked corporate groups.

Coverage

Companies by industry

The B2B industries we cover, ranked by number of companies. Each links to the full directory.

Retail companies

83,138

Manufacturing companies

68,145

Construction companies

62,404

Distribution & wholesale

51,044

Automotive companies

43,905

+ 51 more industries below ↓

Retail companies is the most populated sector we cover, with 83,138 companies — 29% of Oman's 286,373 registered.

Distribution

Company size & revenue

By number of employees

1–4

111,284

5–9

92,127

10–19

35,008

20–49

22,120

50–99

16,577

100–199

2,952

200–499

2,207

500–999

340

1000+

240

3,634 companies have no disclosed headcount (excluded).

The largest size bands are 1–4 (39%) and 5–9 (33%) among companies with disclosed headcount.

By revenue (local currency)

1–100K

67,262

100K-499K

146,381

500K-999K

34,575

1M-4.99M

31,640

5M-9.99M

329

10M-49.99M

880

50M-99.99M

100M-499.99M

500M-999.99M

1B+

5,342 companies have no disclosed revenue (excluded from the chart).

The most common disclosed-revenue band is 100K-499K, covering 52% of companies with reported revenue.

Get the full Oman company database

286,373 companies with firmographics, financials and corporate group structure — filtered by industry, size, region and revenue.

Talk to a data expert Get the full database

Group linkage

Corporate structure in Oman

How much of the market is part of a corporate group vs independent.

Part of a corporate group

96%

Independent

4% of companies belong to a corporate group; the remaining 96% operate independently.

Corporate groups

Largest corporate groups in Oman

Omani-headquartered groups ranked by total group entities worldwide — a measure of corporate reach.

#	Group	Group entities (worldwide)
1	OMAN INVESTMENT AUTHORITY	49
2	SUHAIL BAHWAN GROUP HOLDING	23
3	W J TOWELL	20
4	GALFAR ENGINEERING AND CONTRACTING	18
5	THE ZUBAIR HOLDING	15
6	MOHAMMED AL BARWANI	10
7	MOHAMED SAUD BAHWAN GROUP	10
8	OMAN HOLDINGS INTERNATIONAL COMPANY	9
9	BANK MUSCAT	8
10	ELECTRICITY HOLDING COMPANY	7

Group entities = total members of the corporate family worldwide, for groups whose ultimate parent is in Oman.

OMAN INVESTMENT AUTHORITY is the largest corporate group headquartered in Oman, with 49 entities worldwide.

Foreign ownership

Foreign-owned vs domestic

Among Oman's larger companies, the share ultimately controlled from abroad — and the leading countries of ownership.

34%

Foreign-owned

66%

Omani-owned

Leading countries of ownership

United States of America

17%

India

14.9%

England

12.8%

France

8.5%

United Arab Emirates

7.4%

Shares calculated on the largest companies by revenue with ownership data available, not an absolute national figure.

United States of America is the leading country of foreign ownership, at 17%.

FAQ

Oman company data — frequently asked questions

There are 286,373 registered companies in Oman across all sectors, from sole traders to large enterprises.

By reported revenue, OQ is the largest company in Oman, followed by ELECTRICITY HOLDING COMPANY and BANK MUSCAT.

Construction of residential and non-residential buildings, Maintenance and repair of motor vehicles, Non-specialised wholesale trade have the most registered companies.

You can request a free sample or access the full Oman database, filtered by industry, size, region and revenue, via InfobelPRO.

Sourced from the Infobel DaaS database. The largest-companies ranking is consolidated at corporate-group level (one row per group) and shows reported (actual) revenue in USD; modeled figures are excluded. Distributions cover all registered companies. Industry directories use a NACE-based B2B taxonomy. Last updated September 2026.

Need Oman company data?

Request a free sample, then export 286,373 companies by industry, size, region and revenue — API, bulk file or CRM enrichment.