Th Stndrd ndstrl Clssfctn (SC) s systm fr clssfyng ndstrs by fr-dgt cd s mthd f stndrdzng ndstry clssfctn fr sttstcl prpss crss gncs. stblshd n th ntd Stts n 1937, t s sd by gvrnmnt gncs t clssfy ndstry rs. Smlr SC systms r ls sd by gncs n thr cntrs, .g., by th ntd Kngdm's Cmpns Hs.
n th ntd Stts, th SC systm ws lst rvsd n 1987 nd ws lst sd by th Cnss Br fr th 1992 cnmc Cnss, nd hs bn rplcd by th Nrth mrcn ndstry Clssfctn Systm (NCS cd), whch ws rlsd n 1997. Sm .S. gvrnmnt dprtmnts nd gncs, sch s th .S. Scrts nd xchng Cmmssn (SC), cntn t s SC cds.
Th SC cd fr n stblshmnt, tht s, nq bsnss wth rgstrd .S. hdqrtrs, ws dtrmnd by th ndstry pprprt fr th vrll lrgst prdct lns f th cmpny r rgnztn f whch th stblshmnt ws prt. Th ltr NCS clssfctn systm hs dffrnt cncpt, ssgnng stblshmnts nt ctgrs bsd n ch n's tpt.