Citigroup, Inc. is a holding company, which engages in the provision of financial products and services. The company is headquartered in New York City, New York and currently employs 239,000 full-time employees. Its segments include Services, Markets, Banking, U.S. Personal Banking (USPB) and Wealth. Services segment includes treasury and trade solutions (TTS) and securities services. TTS provides an integrated suite of tailored cash management, trade and working capital solutions to multinational corporations, financial institutions and public sector organizations. Markets segment provides corporate, institutional and public sector clients around the world with a full range of sales and trading services across equities, foreign exchange, rates, spread products and commodities. Banking segment includes investment banking, which supports client capital-raising needs to help strengthen and grow their businesses. USPB segment includes branded cards and retail services, which have proprietary card portfolios and co-branded card portfolios. Wealth includes private bank, wealth at work and Citigold and provides financial services.