S&P Global provides data and benchmarks to capital and commodity market participants. In 2021 and excluding IHS Markit, S&P Ratings was over 45% of the firm's revenue and over 55% of the firm's operating income. S&P Ratings is the largest credit rating agency in the world. The firm's other segments include Market Intelligence, Indices, and Platts. Market Intelligence provides desktop tools and other data solutions to investment banks, corporations, and other entities. Indices provides benchmarks for financial markets and is monetized through subscriptions, asset-based fees, and transaction-based royalties. Platts provides benchmarks to commodity markets, principally petroleum.