Eurotherm, Leesburg, Va., consolidated the sales and marketing activities of four business units. The management of Action Instruments, Barber-Colman, Eurotherm Chessell and Eurotherm controls has been centralized in Eurotherm's Leesburg, Va., facility. The field sales for these four units also have been combined. The new sales force will handle the product lines of all four units. Action Instruments will continue its operation in San Diego, Calif., but will be managed from the Leesburg office. The consolidation does not affect Eurotherm Drives or Eurotherm Gauging. Product lines, sales and marketing functions of these units will remain separate and the same.