It is my understanding that Averitt offers a refresher course. How recent would your experience have to be?
Check several others; many companies offer refresher for long gap in driving. Most may say you must have driven within 5 yrs. but ask anyway: Super Service Western Express Big-M Transportation Paschall Truck Lines R.E. West Swift
Just get your CDL back and they will probably put you into the training program they now have. They call it finishing school. At worst you will be in that for 5 weeks.