Apple - On this day, 7 years ago, Apple Inc claims a value of $600 billion making it the largest company by market capitalization in the world. Apple Computers Inc started April 1, 1976 in Cupertino, CA by Steve Jobs and Steve Wozniak. Their first product is the Apple I personal computer. In August 2018, Apple surpasses $1 trillion in value. That is the highest ever held by a public company.