Bucknell: Engineering and Business
Carleton: All the science programs and CS is on the rise
Lafayette: Engineering, Economics
Middlebury: Languages, Social Sciences
Swarthmore: Social Sciences (Economics, Political Science)–[* Few graduate with an engineering degree though it is one of the few LACs that offer their own engineering programs.]
Tufts: IR
Washington and Lee: Business
WUSTL: Biomedical Sciences
(Mostly based on the number of graduates in these majors according to the data in College Navigator)