THE ORGANIZATION OPERATES A LOCAL UNION FOR THE BENEFIT OF 499 MEMBERS. IT HAS JURISDICTION OVER ALL INSIDE, SOUND AND PUBLIC ADDRESS, RADIO-TELEVISION SERVICE, AND ELECTRICAL MANUFACTURING WORK WHEN PERFORMED IN 15 COUNTIES IN WISCONSIN, OR BY THE EMPLOYEES OF VAN ERT ELECTRIC CONTROLS DIVISION, INC. OR UNDER TERMS OF THE NATIONAL TELEDATA AGREEMENT.