Red Dot Corp., which specializes in heating, ventilation, and air conditioning (HVAC) systems and replacement parts for commercial trucks and a wide range of off-highway vehicles, has added three distributors and 24 locations in the eastern U.S.

The new distributors are: Western Branch Diesel, with eight locations in Virginia, West Virginia, Ohio, Kentucky and North Carolina; Florida Detroit Diesel-Allison, with eight branches throughout Florida; and Covington Power Services, with eight locations in North Carolina, Tennessee and Georgia. These distributors join more than 175 Red Dot distributor locations in North America. www.reddotcorp.com