Gravel Limestone Slag Sand
Indiana Mineral Aggregates Association


The IMAA is your go-to source of information about the Indiana aggregates industry.  Whether you are an IMAA member looking for information on the latest INDOT letting or MSHA regulations, or a community member who wants to learn more about the economic impact of aggregate production in Indiana – the IMAA will provide the resources you need.

Check out the Quick Links to find industry related resources or some educational resources for our community.

Have a suggestion of a resource we should include?  Can’t find what you’re looking for?  Contact us and we’ll help you get the information you need.


IMAA represents over 90% of aggregate production in Indiana. Find out what we’re doing for our members and how you can benefit from IMAA.
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IMAA members produce crushed stone, sand, gravel or slag, sell mining equipment, haul material, and much, much more.
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The Source Report – the bi-monthly membership newsletter of the Indiana Mineral Aggregates Association.

Read the Latest Issue