4 Questions To Ask a Plasterer and Cement Masons Union

The Operative Plasterers and Cement Masons International Association, commonly known as the OPCMIA, is a worldwide organization of plasterers and cement masons. At Local 132 of Southern Ohio, we’re proud to be a part of one of the world’s oldest and most notable crafts, and that’s why if you’re considering joining a plasterer and cement masons labor union as a skilled laborer, there are a handful of questions you should ask. Learn more below, or contact us today.

photo of a group of cement masons

How Long Has the OPCMIA Been Around?

The OPCMIA was founded in 1864, making us one of the oldest craft unions in North America. We’re proud to have a rich history of representing plasterers and cement masons, and we’re committed to continuing that tradition into the future with Local 132 jobs.

photo of a man leveling cement

How Many Members Does the OPCMIA Have?

The OPCMIA represents over 50,000 plasterers and cement masons in the United States and Canada. We’re one of the largest unions in the construction industry, and we’re always looking for new members to join our ranks. 

photo of two cement masons

What Are the Benefits of Joining the OPCMIA?

As a member of the OPCMIA, you’ll enjoy a number of benefits, including access to our world-class training programs, discounts on tool and equipment purchases, and much more. You’ll also have the satisfaction of knowing that you’re part of a union that’s committed to improving the lives of its members. 

photo of a group of cement masons

How Can I Join?

If you’re interested in joining the OPCMIA union, the first step is to contact your local union office. They’ll be able to tell you about membership requirements and help you get started on the path to becoming a member. 

Have a question about OPCMIA Local 132? We would absolutely love to hear from you, so feel free to explore our website to learn more about who we are and what we do, then contact us today.

Secretary Walsh Tweet


Let’s congratulate our brother Greg West Dayton’s Business Agent and Apprentice Instructor for being awarded UNION SPORTSMEN’S ALLIANCE 2019 Conservation Steward Of The Year for his work on the Lakeside Project in Dayton Ohio.


Brothers and Sisters of OPCMIA Local 132, we are bringing back the Annual Meetings. It will be held January 19, 2019 at 1801 Columbus Ave. Washington Court House, Ohio 43160. Registration will start at 9:30 am, meeting starts at 10:00 am. Please RSVP with either with Candace  McLemore at 937-279-0262 or Greg West 937-604-6056, before 12/28/2018 so we can have a meal count. Looking forward to seeing each of you in January.