SU vs UMC Comparison

Suncor Energy Inc is an integrated energy company. The company's operations span the full energy value chain, including oil sands mining and in situ operations, upgrading, offshore production, petroleum refining in Canada and the U.S., marketing and trading, and nationwide PetroCanada retail and wholesale networks delivering reliable energy that fuels economic growth and meets the needs of customers across Canada and globally. It also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products, & power. The company's operating segments include Oil Sands, Exploration & Production, Refining & Marketing (R&M), & Corporate & eliminations. Geographically, the company generates a majority of its revenue from Canada.

Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.