Establishments primarily engaged in manufacturing asphalt and tar paving mixtures; and paving blocks made of asphalt and various compositions of asphalt or tar with other materials. Establishments primarily engaged in manufacturing brick, concrete, granite, and stone paving blocks are classified in Major Group 32.
- Asphalt and asphaltic mixtures for paving, not made in refineries
- Asphalt paving blocks, not made in petroleum refineries
- Asphaltic concrete, not made in petroleum refineries
- Coal tar paving materials, not made in petroleum refineries
- Composition blocks for paving
- Concrete, bituminous
- Mastic floor composition, hot and cold
- Road materials, bituminous: not made in petroleum refineries
- Tar and asphalt mixtures for paving, not made in petroleum refineries