Two New Albany-based businesses have attracted national attention for their rapid growth. Family-owned Paramount Air, a heating and air conditioning contractor, and clarify360, an IT consulting and sourcing firm that specializes in IT infrastructure solutions, were among 35 central Ohio companies that made the annual Inc. Magazine Inc. 5000 list of fastest growing companies. Clarify360 ranked 913 with revenue growth of 511% over a three-year period. Paramount Air ranked 3,741 with revenue growth of 97% for the same period.