BREWER, ME-At a time when many employers are slowing production and cutting jobs, Cianbro Corp.’s Eastern Manufacturing Facility is adding workers as it builds modules for a massive oil refinery expansion in Texas. Cianbro was hired to build 52 modules for the Motiva Port Arthur Refinery, which is in the midst of a $7 billion expansion. The modules are heavy-duty industrial steel frames filled with pipe, pumps and electronics.MORE