Mass C.O.P. is the largest law enforcement union in Massachusetts. Our focus on the welfare of our police officers has resulted in unprecedented membership growth. We now represent over 4,300 members serving in more than 157 cities and towns in Massachusetts. Our long-term strategic planning and experienced staff has made us the most powerful and trusted law enforcement advocate in the Commonwealth of Massachusetts. Want to know more about who we are? Click here to learn about us and discover the benefits of being a part of Mass C.O.P.
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The Massachusetts Coalition of Police is not affiliated with the website www.masscops.com or the recent events being reported in the media. Our website is www.masscop.org, where you will find the very best union for law enforcement.