Summa Implement Co Farm Equipment Contact Information Phone: Phone:(660) 582-3101 Address: 26950 238 St, Maryville, Missouri 64468 Get Directions About Summa Implement Co is a farm equipment sales company located in Maryville, MO. Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Claim Listing Recently Viewed: Loading...