I think McKinsey & Co might be bootstrapped. They made $7.8B in 2013, but it was founded almost 100 years ago. They reached $1B in 1991, which was 65 years af

I think McKinsey & Co might be bootstrapped. They made $7.8B in 2013, but it was founded almost 100 years ago. They reached $1B in 1991, which was 65 years after it was founded.