| Business | Phone |
| Burien Sand & Gravel 818 Sw 142nd St, Seattle 98166 | (206) 246-7000 |
| Eci Landscape Materials Seattle 98108 | (206) 767-1051 |
| Glacier Northwest 4002 W Marginal Way Sw, Seattle 98106 | (206) 938-6761 |
| Fiorito Brothers Construction 1100 Nw Leary Way, Seattle 98107 | (206) 789-6111 |