S.C. Code Ann. § 12-43-335
(A) For the purpose of assessing property of merchants and related businesses, as provided by Section 12-37-970, the department shall follow the classifications of the most recent Standard Industrial Classification Manual, Bureau of the Budget, as follows:
(2) Division E, Major Group 41, except number 414
Major Group 42, except number 4213
Major Group 44, except number 444
Major Group 45, except number 451
Major Group 47
Major Group 48, except numbers 481, 482, 484
Major Group 49, except numbers 491, 493, 494, 4952;
(C) For the purpose of assessing property of railroads, private carlines, airlines, water, power, telephone, cable television, sewer and pipeline companies, as provided in Section 12-4-540(A), the department shall follow the Division E classification of the most recent Standard Industrial Classification Manual, Bureau of the Budget, as follows: