CERTIFICATION

               RIVERSOURCE LARGE CAP SERIES, INC. (the Registrant)

Pursuant to Section 906
of the Sarbanes-Oxley Act of 2002

Each of the undersigned below certifies that

     1.       This report on Form N-CSR of the Registrant (the Report) fully
              complies with the requirements of Section 13(a) or 15(d) of the
              Securities Exchange Act of 1934; and

     2.       The information contained in the Report fairly presents, in all
              material respects, the financial condition and results of
              operations of the Registrant.


Date:    March 25, 2008           /s/ Patrick T. Bannigan
         --------------               -------------------
                                      Patrick T. Bannigan
                                      President and Principal Executive Officer


Date:    March 25, 2008           /s/ Jeffrey P. Fox
         --------------               -------------------
                                      Jeffrey P. Fox
                                      Treasurer and Principal Financial Officer


A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906, OR OTHER
DOCUMENT AUTHENTICATING, ACKNOWLEDGING, OR OTHERWISE ADOPTING THE SIGNATURE THAT
APPEARS IN TYPED FORM WITHIN ELECTRONIC VERSION OF THIS WRITTEN STATEMENT
REQUIRED BY SECTION 906, HAS BEEN PROVIDED TO THE REGISTRANT AND WILL BE
RETAINED BY THE REGISTRANT AND FURNISHED TO THE SECURITIES AND EXCHANGE
COMMISSION OR ITS STAFF UPON REQUEST.


This certification is being furnished to the Commission solely pursuant to 18
U.S.C. Section 1350 and is not being filed as part of the Form N-CSR filed with
the Commission.