Complex sentence: On a national scale, Levi Strauss & CO. was the first to market pre-washed jeans on a nationwide basis, beginning in Oklahoma City & the C.R. Anthony CO. The CR Anthony Department stores were among the largest retailers of Levi Strauss.
Split into simpler sentences: On a national scale, Levi Strauss & CO. was the first to market pre-washed jeans on a nationwide basis, beginning in Oklahoma City with the C.R. Anthony Company. The C.R. Anthony Department stores were among the largest retailers of Levi Strauss.