2019 Tulsa Engineering Challenge Summary of Winners as of 3/9/2019 link
TECh results for the individual events are below:
1. Academic Olympiad (1st, 2nd, & 3rd place only ) see Summary of Winners list above
6. Extreme Engineering Challenge
7. Mini Math Upper Division Middle and Lower Division
11. Robot
12. Rubber Band Powered Vehicle
13. Toothpick Bridge