1 EXHIBIT 21 GRAYBAR ELECTRIC COMPANY, INC. LIST OF SUBSIDIARIES -------------------- Graybar Foreign Sales Corporation, a Barbados corporation. Graybar International, Inc., a Missouri corporation. Graybar Financial Services, Inc., a Missouri corporation. Graybar Electric de Mexico, S. DE R.L. DE C.V., a Mexican corporation. Graybar Electric Limited, a Nova Scotia corporation. Graybar Foundation, Inc., a Missouri corporation. Graybar Services, Inc., an Illinois corporation. Distribution Associates, Inc., a Missouri corporation. Graybar Electric (Ontario) Limited, an Ontario corporation. Graybar International PTE LTD, a Singapore corporation. Graybar Business Services, Inc., a Missouri corporation. Graybar International de Chile Limitada, a Chile limited liability partnership.