| Item | Obligations |
|---|---|
| FISHER SAND & GRAVEL CO | $13.4B |
| BARNARD CONSTRUCTION COMPANY, INCORPORATED | $4.5B |
| SLS FEDERAL SERVICES LLC | $2.4B |
| SPENCER CONSTRUCTION LLC | $2.4B |
| SOUTHWEST VALLEY CONSTRUCTORS CO | $2.2B |
| WHITING-TURNER CONTRACTING COMPANY, THE | $761M |
| BL HARBERT INTERNATIONAL LLC | $681M |
| COCHRANE USA INC | $641M |
| M. A. MORTENSON COMPANY | $611M |
| GRANITE CONSTRUCTION COMPANY | $537M |
FISHER SAND & GRAVEL CO led all vendors with $13.4B in obligations, 31.7% of the market.