Watt Equipment Co Farm Equipment Contact Information Phone: (601) 743-2364 Address: Hwy 16 W, De Kalb, Mississippi 39328 Get Directions About Watt Equipment Co is a farm equipment sales company located in De Kalb, MS. 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...