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Clay, Ceramic, and Refractory Minerals
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SIC Industry Group 145

SIC [1987]  →  Mining  →  Nonmetallic Minerals, Except Fuels  →  Clay, Ceramic, and Refractory Minerals
SIC CodeU.S. Industry  [ NAICS² Codes ]Registrants
In ascending order   
1450Clay, Ceramic, and Refractory Minerals, et al.– 
1455Kaolin and Ball Clay  [ 212324 ]– 
1459Clay, Ceramic, and Refractory Minerals, Not Elsewhere Classified  [ 212325 ]– 
        Registrants in SIC Industry Group 145:   – 

Description of SIC Industry Group 145 — Clay, Ceramic, and Refractory Minerals
Establishments primarily engaged in mining, milling, or otherwise preparing clays and refractory minerals.  Mines operated in conjunction with plants manufacturing cement, brick or other structural clay products, or pottery and related products, are included in this industry when separate reports are available.  Establishments primarily engaged in grinding, pulverizing, or otherwise treating clay, ceramic, and refractory minerals not in conjunction with mining or quarrying operations are classified in Manufacturing, Industry 3295.

²  North American Industry Classification System (NAICS)

SIC [1987] Industry Group 145     ⇒     NAICS [2012] Industry Codes

NAICS Code  North American Industry    SIC Codes
In ascending order
212324Kaolin and Ball Clay Mining  ⇒  14553295
212325Clay and Ceramic and Refractory Minerals Mining  ⇒  14593295

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