Top Contractors at the Tennessee Valley Authority
TOTAL PURCHASES: $2,205,644,000
| Rank | Parent Company | Amount ($000s) | Market Share |
| 1 | GUBMK Constructors | 266,000 | 12.06 |
| 2 | Stone & Webster Engineering Corp. | 200,299 | 9.08 |
| 3 | Peabody Coal Co. | 115,912 | 5.26 |
| 4 | Hanson PLC | 101,687 | 4.61 |
| 5 | Cyprus Amax Minerals Co. | 93,616 | 4.24 |
| 6 | CSX Corp. | 77,422 | 3.51 |
| 7 | Argonaut Group Inc. | 63,000 | 2.86 |
| 8 | Mapco Inc. | 58,890 | 2.67 |
| 9 | Sigmon Coal Company Inc. | 54,876 | 2.49 |
| 10 | Southern Pacific Transportation Co. | 51,816 | 2.35 |
Rankings are based on R&D, services and production prime contracts of $25,000 or more.
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