Who owns Comgás?
Comgás is owned by Cosan (Brazil, B3: CSAN3).[1]
Evidence: Cosan S.A. Annual Report on Form 20-F filed 2026-04-10, SEC EDGAR, 10 April 2026. Verified from filings; last checked .
Key facts
- Current owner
- Cosan S.A. verified
- Owner HQ
- 🇧🇷 Brazil
- Origin
- 🇧🇷 Brazil
- Category
- Energy › Power & utilities › Gas utilities
- Parent ticker
- B3: CSAN3 NYSE: CSAN
- Last verified
- · 1 sources
About Comgás
Comgás is the São Paulo piped-gas distributor in Cosan's Compass group. Cosan's 2025 Form 20-F says its concession covers 177 cities in the State of São Paulo, runs to 2049 after a 20-year renewal, and that Comgás and Necta are Cosan subsidiaries holding gas-distribution concessions.
Ownership timeline of Comgás
Where Comgás sits in Cosan
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Cosan ownership tree →
See the full Cosan brand portfolio (2) →
Other brands owned by Cosan
Cosan controls 2 brands on Brandtree, 2 of them in energy.
Also in energy
Other brands in gas utilities, and who owns them
The 14 brands in gas utilities on Brandtree belong to 11 owners. The largest is ONE Gas, with 3.
| Brand | Owner | Owner based in |
|---|---|---|
| Kansas Gas Service | ONE Gas | 🇺🇸 United States |
| Atlanta Gas Light | Southern Company | 🇺🇸 United States |
| Enbridge Gas Ontario | Enbridge | 🇨🇦 Canada |
| FortisBC | Fortis | 🇨🇦 Canada |
| Daigas Energy | Osaka Gas | 🇯🇵 Japan |
| Agway Energy Services | Suburban Propane | 🇺🇸 United States |
| Towngas | Towngas | 🇭🇰 Hong Kong |
| Mountaineer Gas | UGI | 🇺🇸 United States |
About the owner: Cosan
Cosan is a publicly listed company headquartered in Brazil. Brandtree records 2 brands under its control, and it is listed as B3: CSAN3 and NYSE: CSAN.
Cosan's 2025 Form 20-F says the shares trade on B3 as CSAN3 and the ADSs on the NYSE as CSAN, and that the group is a holding company whose companies are Raízen (under joint control), Compass and its subsidiaries including Comgás, Moove, Rumo and Radar. It reports a 30.84 percent interest in Raízen at 31 December 2025, accounted for as a joint venture with Shell.
🇧🇷 Comgás and other Brazilian brands
Brandtree records a controlling owner for 149 brands that began in Brazil. 31 of them (21%) are now controlled by a company headquartered in another country; Comgás is not one of them.
- Auren Energia — Auren Energia 🇧🇷
- Brava Energia — Ecopetrol 🇨🇴
- Confab — Tenaris 🇱🇺
- Engie Brasil Energia — Engie Brasil Energia 🇧🇷
- Ipiranga — Ultrapar 🇧🇷
- Petrobras — Petrobras 🇧🇷
Frequently asked questions
Who is the parent company of Comgás?
The parent company of Comgás is Cosan, a publicly listed company headquartered in Brazil.
Is Comgás Brazilian?
Yes. Comgás originated in Brazil and its owner, Cosan, is also headquartered in Brazil.
Is Comgás still owned by Cosan?
Yes. As of 5 October 2026, Comgás is still owned by Cosan. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Cosan S.A. Annual Report on Form 20-F filed 2026-04-10 — SEC EDGAR, SEC Form 20-F, published 10 April 2026; retrieved 5 October 2026.
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