The Columbus Serum Co. signed a 5-year lease to occupy 56,250 square feet of warehouse space at 2970-3024 Charter St. in Columbus. The company will move into the 225,365-square-foot building in February of this year. Columbus Serum sells and distributes veterinarian supplies. Dax Hudson of Ruscilli Real Estate Services represented the landlord, LA/Westbelt Inc., in the transaction. Carol Evans of National Realty Services represented Columbus Serum.