Of course, the whole world knows the names of huge American corporations such as Apple, Microsoft, and Amazon. But we should not forget about such monsters of the market as KPMG, Deloitte, and McKinsey, because consulting and technology companies year after year lead the rating of the most generous employers in America according to the analytical portal Glassdoor. The market dynamics are now driven more by the application of modern IT technologies, as well as the demand for consulting in the field of finance and tax.