Legal leviathan Jones Day ranks as one of the world's largest law firms, providing counsel to about half of the FORTUNE 500 companies. It has some 2,400 attorneys in about 40 offices worldwide. Outside the US, Jones Day has offices in Europe, the Middle East, the Asia/Pacific region, and Mexico. The firm's practice areas include capital markets, government regulation, intellectual property, real estate, and tax. Jones Day has counted Bridgestone/Firestone, General Motors, IBM, RJR Nabisco, and Texas Instruments among its clients. The firm traces its roots to the Cleveland law partnership founded by Edwin Blandin and William Rice in 1893.