Home - SE&C Optimizing Our Client's Performance Since 2014. Our 85% win rate in the past 10 years has captured 23 U.S. DOE prime contracting opportunities valued at over $83B. News and … Optimizing Our Client's Performance Since 2014. Our 85% win rate in the past 10 years has captured 23 U.S. DOE prime contracting opportunities valued at over $83B. News and …