Packaging Corporation of America (PCA) announced that it has completed its acquisition of Columbus Container, Inc., an independent corrugated products producer in a cash-free, debt-free transaction. Funding for the $100 million acquisition came from available cash on hand.    “Completing the acquisition of Columbus Container is another excellent strategic fit for PCA and we expect to quickly integrate this great organization into our company,” Mark Kowlzan, PCA Chairman and CEO, said.   PCA ...