- Communications (1021 Companies)
- Electric, Gas & Sanitary Services (806 Companies)
- Local, Suburban Transit & Interurban Hwy Pass Transit (723 Companies)
- Motor Freight Transportation (2204 Companies)
- Pipe Lines, Except Natural Gas (51 Companies)
- Railroad Transportation (47 Companies)
- Transportation By Air (351 Companies)
- Transportation Services (738 Companies)
- Water Transportation (134 Companies)