A large company or corporation with substantial employees, capital, and sales; typically a firm with many branches or diversified businesses.
彼は大企業に勤めている。
He works for a large corporation.
大企業は社会に与える影響が大きい。
Large corporations have a big impact on society.
中小企業と比べて、大企業の福利厚生は充実していることが多い。
Compared with small and medium enterprises, large companies often have more comprehensive benefits.