You are hereby invited by Grapevine-Colleyville Independent School District (GCISD) to submit a proposal for General Building Supplies on an as-needed basis under a multi-year contractual agreement. "Please see bid link for more information" https://gcisdbid.ionwave.net/PublicDetail.aspx?bidID=356&ret=OPEN&pg=0&bidNumber=&title=&type=&org=