GB39- WA State Vendor Rates This file shows hourly rates for hundreds of WA state vendors, including major national firms. GB39-WA vendor rates 08215MasterRosterDownload Posted on May 17, 2020April 8, 2021 by MM_ADMIN Post navigationPrevious post: Menges Group 5 Slides Series – COVID-19 Death Rates by Age and Gender; Summary of State and County Data on Progression of New CasesNext post: Menges Group 5 Slide Series: COVID-19 State Testing Rates, Daily New Cases, and Top 25 County Hot Spots