| AF |
Air Freight Companies |
2023 |
2022 |
2021 |
| AL |
Airline Companies (PAX)
|
2023 |
2022 |
2021 |
| BL |
Barge Line Companies |
2023 |
2022 |
2021 |
| EC |
Electric Cooperatives |
2023 |
2022 |
2021 |
| EL |
Electric Companies
|
2023 |
2022 |
2021 |
| EL-SOL |
Solar Companies
|
2023 |
2022 |
2021 |
| GA |
Gas Companies
|
2023 |
2022 |
2021 |
| MB |
Motor Bus Companies (USDOT/FMCSA)
|
2023 |
2022 |
2021 |
| MC |
Motor Carrier Companies (USDOT/FMCSA)
|
2023 |
2022 |
2021 |
| PC |
Private Car Companies (Railcars)
|
2023 |
2022 |
2021 |
| PL |
Pipeline Companies
|
2023 |
2022 |
2021 |
| PT |
Power Transmission Companies
|
2023 |
2022 |
2021 |
| RR |
Railroad Companies
|
2023 |
2022 |
2021 |
| TC |
Telephone Cooperatives
|
2023 |
2022 |
2021 |
| TL |
Telephone Long Distance Companies
|
2023 |
2022 |
2021 |
| TP |
Telephone Companies (Local Exchange)
|
2023 |
2022 |
2021 |
| WC |
Wireless Carrier Companies (PCS/Cellular)
|
2023 |
2022 |
2021 |
| WS |
Water And Sewerage Companies
|
2023 |
2022 |
2021 |
| WM |
Wireless Management Companies (Towers)
|
2023 |
2022 |
2021 |