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Sinclair Oil Corporation

Sinclair Oil Corporation Market Share Analysis for February 2026

Sinclair Oil Corporation was an American petroleum corporation founded by Harry F. Sinclair on May 1, 1916. The Sinclair Oil and Refining Corporation amalgamated the assets of 11 small petroleum companies. Originally a New York corporation, Sinclair Oil reincorporated in Wyoming in 1976.

Heavy Industry and Engineering > Energy Industry

Domainsinclairoil.com

Year Founded1916

Employees1001 - 5000

Annual Revenue> $1B

Sinclair Oil Corporation

Sinclair Oil Corporation (including company regionals)

sinclairoil.com

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Sinclair Oil Corporation Revenue up to February 2026 is > 1B

revenue generated by Sinclair Oil Corporation top domains

Sinclair Oil Corporation top domains revenue over 3 years

Revenue for Sinclair Oil Corporation top domains

sinclairoil.com> 1B

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Total visits to Sinclair Oil Corporation's top domains

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Total visits last 3 months

Subsidiaries Breakdown

sinclairoil.com43.5K

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Avg. visit duration in Sinclair Oil Corporation's top domains

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Average visit duration last 3 months

Subsidiaries Breakdown

sinclairoil.com00:01:13

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Avg. pageviews on Sinclair Oil Corporation's top domains

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Average page views last 3 months

Subsidiaries Breakdown

sinclairoil.com1.77

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Sinclair Oil Corporation top competitors by domain

Top similar sites in February 2026, ranked by their affinity

hfsinclair.comCompany NameHF Sinclair CorporationEmployees5001 - 10000HQUnited States, Texas, DallasAnnual revenue> $1BTotal visits64KHeavy Industry and Engineering > Energy Industry

Top technologies used by Sinclair Oil Corporation

These are the website technologies, by industry, used by Sinclair Oil Corporation top domains

Advertising (6)

Google Adsense

Conversion & Analytics (6)

Google Analytics

Social (5)

Instagram

Content Management System (4)

Drupal

More Technologies

8

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News & Signals from Sinclair Oil Corporation

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NewsSinclair Oil Corporation attended event DINO Day on May 22nd '24.After the success of last year's DINO Day, Sinclair has expanded the campaign from one day to three.

NewsSinclair Oil Corporation integrates with National Hockey League.Sinclair Oil announces partnership with NHL's new Utah Hockey Club franchise.

NewsHF Sinclair Corporation acquired Sinclair Oil Corporation on Jan 25th '24.Dallas, Texas-based HF Sinclair (NYSE: DINO), the new parent entity of HollyFrontier, last year completed its acquisition of Sinclair Oil.