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Found 3 results for "21232"
Construction Sand and Gravel Mining
NAICS code 212321 covers establishments primarily engaged in the mining of commercial-grade construction sand and gravel. This industry includes opera...
Industrial Sand Mining
NAICS code 212322 covers the industrial sand mining sector, which includes establishments primarily engaged in extracting and processing industrial gr...
Kaolin, Clay, and Ceramic and Refractory Minerals Mining
NAICS code 212323 covers establishments engaged primarily in the extraction and beneficiation of kaolin, clay, and ceramic and refractory minerals. Th...