The latest installment of Mid-Atlantic Construction’s annual Top Contractors ranking highlights 75 firms that collectively reported more than $18 billion in regional revenue. Even among top contractors, many with big backlogs, the effects of the recession began to take hold in 2009. rnrnrnTop contractors are listed by state. Howard Shockey & Sons, Inc. ranks as the twelfth largest contractor in Virginia.rnrnSource: Mid Atlantic Construction Magazine, McGraw Hillrnrn