鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)屬于(yu)建筑施工(gong)(gong)(gong)(gong)專業承(cheng)(cheng)包(bao)(bao)序列，該(gai)類(lei)型(xing)企業資(zi)質(zhi)分為一(yi)級、二級、三級三個等級。鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)資(zi)質(zhi)新辦(ban)企業，必須從三級開始辦(ban)理(li)(li)申請，若想辦(ban)理(li)(li)更高(gao)級別(bie)，只有到(dao)達年限(xian)之后辦(ban)理(li)(li)鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)資(zi)質(zhi)升(sheng)級。 一(yi)級企業：可(ke)承(cheng)(cheng)擔各類(lei)鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)（包(bao)(bao)括(kuo)網架(jia)、輕型(xing)鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)）的制作(zuo)與(yu)安裝。二級企業：可(ke)承(cheng)(cheng)擔單(dan)(dan)項合同額(e)不超過企業注冊資(zi)本金(jin)(jin)5倍且跨度33米(mi)及(ji)以(yi)下(xia)、總(zong)(zong)(zong)重(zhong)量(liang)1200噸及(ji)以(yi)下(xia)、單(dan)(dan)體(ti)建筑面積(ji)24000平(ping)方(fang)米(mi)及(ji)以(yi)下(xia)的鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)（包(bao)(bao)括(kuo)輕型(xing)鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)）和(he)(he)邊(bian)長80米(mi)及(ji)以(yi)下(xia)、總(zong)(zong)(zong)重(zhong)量(liang)350噸及(ji)以(yi)下(xia)、建筑面積(ji)6000平(ping)方(fang)米(mi)及(ji)以(yi)下(xia)的網架(jia)工(gong)(gong)(gong)(gong)程(cheng)(cheng)的制作(zuo)與(yu)安裝。三級企業：可(ke)承(cheng)(cheng)擔單(dan)(dan)項合同額(e)不超過企業注冊資(zi)本金(jin)(jin)5倍且跨度24米(mi)及(ji)以(yi)下(xia)、總(zong)(zong)(zong)重(zhong)量(liang)600噸及(ji)以(yi)下(xia)、單(dan)(dan)體(ti)建筑面積(ji)6000平(ping)方(fang)米(mi)及(ji)以(yi)下(xia)的鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)（包(bao)(bao)括(kuo)輕型(xing)鋼結(jie)(jie)(jie)構工(gong)(gong)(gong)(gong)程(cheng)(cheng)）和(he)(he)邊(bian)長24米(mi)及(ji)以(yi)下(xia)、總(zong)(zong)(zong)重(zhong)量(liang)120噸及(ji)以(yi)下(xia)、建筑面積(ji)1200平(ping)方(fang)米(mi)及(ji)以(yi)下(xia)的網架(jia)工(gong)(gong)(gong)(gong)程(cheng)(cheng)的制作(zuo)與(yu)安裝。