Every brand Williams owns
3 brands, sorted alphabetically. Brands with their own page link through; others are listed here with their source. See the company profile and ownership tree.
| Brand | Category | Origin | Held via | Stake | Since | Confidence | Source |
|---|---|---|---|---|---|---|---|
| MountainWest | Pipelines & midstream | 🇺🇸 United States | Direct | 100% | — | verified | SEC EDGAR, Feb 2026 |
| Northwest Pipeline | Pipelines & midstream | 🇺🇸 United States | Direct | 100% | — | verified | SEC EDGAR, Feb 2026 |
| Transco | Pipelines & midstream | 🇺🇸 United States | Direct | 100% | — | verified | SEC EDGAR, Feb 2026 |