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 Graybar Electric Canada Limited, a Nova Scotia corporation Graybar Commerce Corporation, a Delaware corporation