MidWest Contracts Social share icons CWA / AT&T Midwest Midwest core 2018 Midwest core 2015 Midwest core wage tables Appendix F wage table Appendix G wage tableMidwest core 2012Midwest core wage tablesAppendix F wage tablesAppendix G wage tables CWA D4 / CBRE GWS-LLC(formerly JCI)August 1, 2015 - July 31, 2018August 1, 2022 - July 31, 2027