Operation of gravel and sand pits; mining of clays and kaolin (PKD 08.12.Z)
This subclass includes:
- extraction and dredging of gravel and sand,
- crushing and grinding of gravel,
- extraction of clay, fire clay and kaolin.
This subclass excludes:
- extraction of bituminous sand, classified in 06.10.Z.
Industry statistics (2025)
Number of companies
Companies (primary PKD)
1,109
Companies (secondary PKD)
4,467
Companies with financials
491
Legal structure
Legal formShare of companiesNumber of companies
- Sp. z o.o.81.9%908
- Sp. j.7.9%88
- Sp. k.6.7%74
- S.A.2.3%25
- Cooperative0.2%2
- P.S.A.0.1%1
- Foundation0.1%1
- Association0.1%1
- Other0.1%1
Financial results
Median revenue
Ranking
Median revenue compared with other PKD codes.
Top companies by revenue
| # | Company | Legal form | Revenue | Net profit |
|---|---|---|---|---|
| 1 | sp. z o.o. | $77.15M | $12.57M | |
| 2 | S.A. | $52.55M | $7.80M | |
| 3 | sp. z o.o. | $36.72M | $12.03M | |
| 4 | sp. z o.o. | $30.37M | $3.35M | |
| 5 | S.A. | $28.43M | $1.45M | |
| 6 | S.A. | $26.51M | $1.95M | |
| 7 | S.A. | $18.78M | $2.38M | |
| 8 | S.A. | $18.65M | $5.34M | |
| 9 | S.A. | $18.00M | $2.74M | |
| 10 | S.A. | $17.65M | $91.06k |
Related PKD codes in this division
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