Michigan Aggregates 
Association 

Email: contactmaa@miagg.org

Michigan Aggregates Association
3474 Alaiedon Parkway
Okemos, Michigan 48864

Phone: 517-381-1732
Fax: 517-381-1796

Chairman of the Board
Don Griffin
H&D, Inc./Div. of Rieth-Riley - Bayshore

Vice Chairman of the Board
Bob Nobbs
Edw. C. Levy Co. - Detroit

Treasurer
Clifton Halliday, Jr.
Halliday Sand & Gravel, Inc. - Houghton Lake

Executive Staff
Managing Director - Michael Newman
Administrative Assistant - Roxanne M. White