Are the the technological revolution the result of American entrepreneurs?

Are the  the technological revolution the result of American entrepreneurs?

Facebook, Inc.
Total Current Assets         11,267,000,000
Capital Surplus                  10,094,000,000

Google Inc.
Total Current Assets          60,454,000,000
Common Stock                  22,835,000,000

Apple Inc.
Total Current Assets       73,286,000,000
Common Stock               19,764,000,000