Description: Operative Plasterers' & Cement Masons' Local 18 in Illinois, Missouri & Iowa. Offices located in Peoria, Springfield, Bloomington & Rock Island IL. For over 150 years, the OPCMIA has represented & trained plasterers & cement masons. We offer the opportunity at a rewarding career with good benefits.
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Paving the way to your future. GET STARTED OPCMIA Local 18 Local 18, is non-for-profit labor organization that is part of the Operative Plasterers and Cement Masons International Association. For over 150 years, the Operative Plasterers' and Cement Masons' International Association (OPCMIA) has represented and trained plasterers and cement masons for the purpose of protecting and promoting the quality of our industry and the livelihood of our members.