2023海(hai)(hai)(hai)南(nan)100強(qiang)企(qi)(qi)業排名榜(bang)(bang)的入圍門檻為13.8億(yi)(yi)元(yuan)，其中(zhong)(zhong)2022年營業收(shou)(shou)入超(chao)過(guo)500億(yi)(yi)元(yuan)的企(qi)(qi)業有(you)(you)1家，為中(zhong)(zhong)國石(shi)化(hua)(hua)海(hai)(hai)(hai)南(nan)煉(lian)油化(hua)(hua)工有(you)(you)限(xian)公司，位列海(hai)(hai)(hai)南(nan)百(bai)強(qiang)企(qi)(qi)業排名榜(bang)(bang)榜(bang)(bang)首，同(tong)時也在海(hai)(hai)(hai)南(nan)制(zhi)造業企(qi)(qi)業排行(xing)榜(bang)(bang)中(zhong)(zhong)位列第(di)一；營業收(shou)(shou)入超(chao)過(guo)200億(yi)(yi)元(yuan)的企(qi)(qi)業有(you)(you)6家；營業收(shou)(shou)入超(chao)過(guo)100億(yi)(yi)元(yuan)的企(qi)(qi)業有(you)(you)16家；除了(le)中(zhong)(zhong)石(shi)化(hua)(hua)海(hai)(hai)(hai)南(nan)煉(lian)油化(hua)(hua)工有(you)(you)限(xian)公司外，海(hai)(hai)(hai)南(nan)百(bai)強(qiang)企(qi)(qi)業排名前十(shi)的企(qi)(qi)業還(huan)有(you)(you)：海(hai)(hai)(hai)南(nan)航空(kong)、海(hai)(hai)(hai)南(nan)農(nong)墾投資(zi)控(kong)股集團(tuan)、紫金(jin)國際控(kong)股、海(hai)(hai)(hai)南(nan)逸盛石(shi)化(hua)(hua)、海(hai)(hai)(hai)南(nan)建發、海(hai)(hai)(hai)南(nan)國貿(mao)實業、中(zhong)(zhong)石(shi)化(hua)(hua)海(hai)(hai)(hai)南(nan)石(shi)油分公司、海(hai)(hai)(hai)南(nan)眾合(he)天下(xia)科技有(you)(you)限(xian)公司、海(hai)(hai)(hai)南(nan)天然橡膠產業集團(tuan)。