Alan Ritchie Mining

LE-1989 Pope's Point

US Silica

LE-1662 Mill Creek North

APAC Central Incorporated

LE-1274 Tulsa East

APAC Central Incorporated

LE1647 Roberts Quarry

APAC Central Incorporated

LE-1814 Okay Quarry

CPI Pipe & Steel Incorporated

LE-1991

Craig County

LE-1792

TXI Operations LP Partnership

LE-1805

Hanson Aggregates WRP Inc.

LE-1277

Sober Brothers

LE-1972 Gonterman 1

Tandem Services

LE-2341 Kolb Pitt

American Gypsum Incorporated

LE-1584

General Materials

LE-2201