2027 S M a i n St. #4 B l o o m i n g t o n, I l l i n o i s ( 3 0 9 ) 8 2 8 2 7 6 7 cpt@cropprotech.com Crop Pro Tech, Inc. is an independent crop consulting firm established by David Harms in 1976, a time when the concept of integrated pest management was in its infancy. Since its inception, Crop ...