AllBusiness -- IBISWorld Announces Industries To Perform Best in 2009. The recession is crippling businesses across the nation, but several industries will remain unscathed by the current economic strife, according to recent Recession Updates published by industry research firm IBISWorld. As one of the nation’s most respected independent publishers of business intelligence research reports, IBISWorld today announced the top 10 industries expected to have the largest revenue growth in 2009: Click below.