EX.3

         CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

      Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the
undersigned officer of the Buffalo USA Global Fund, Inc. (the "Fund"), does
hereby certify, to such officer's knowledge, that the report on Form N-CSR of
the Fund for the year ended March 31, 2008 fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as applicable,
and that the information contained in the Form N-CSR fairly presents, in all
material respects, the financial condition and results of operations of the Fund
for the stated period.

/s/ Kent W. Gasaway
- -----------------------------
Kent W. Gasaway
President and Treasurer,
Buffalo USA Global Fund, Inc.

Dated: June 6, 2008

This statement accompanies this report on Form N-CSR pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002 and shall not be deemed as filed by Buffalo USA
Global Fund, Inc. for purposes of the Securities Exchange Act of 1934.