RockTenn made its biggest acquisition yet in 1983, when it paid $40 million to buy 11 Clevepak Corporation plants, seven of which were making partitions to protect glass and plastic containers. Currey said the acquisition would allow RockTenn to capture about one-fourth of the partition market, raise annual revenue to more than $200 million, and increase production of recycled paperboard to 235,000 tons. In 1989, net sales had reached $515.9 million, and net income was $31.1 million. The following year the company dedicated to Chairman of the Board Finley a 33,000-square-foot office building behind its headquarters in Norcross.