Missouri
Division of Professional Registration
Rettig, William B.
Professional Engineer
License number
027900
Date granted
04/01/1996
Date expires
12/31/2014
Class
Professional Engineer
Status
Clear
Address
12555 Hillside Drive
licensingmissouri.org
ID 1523199
LAST UPDATED 2026-04-26 17:28:33 UTC
LAST UPDATED 2026-04-26 17:28:33 UTC
This website is unaffiliated with the Division of Professional Registration. Please verify all information directly with the relevant official government authority.