Acme Brick (Tulsa)

APAC-Central, Inc. (Vinita Quarry)

Meridian Aggregates Company, a Limited Partnership (Damron Quarry)

Meridian Aggregates Company, a Limited Partnership (Broken Bow S & G)

Zachery Ham

Oldham Enterprises, LLC (Wright Mine)

Miller Products, LLC (Gem Dirt)

Quapaw Company c/o Dolese Bros. Co. (Badger)

Shamrock Farm Quarry, LLC

Mill Creek Dolomite, LLC c/o U.S. Lime Company - St. Clair

MB Holdings dba Mangum Brick Company (Carter)

Western Aggregates, LLC

Rocklahoma, LLC (Barger #1)

Stigler Stone (Tiger Rock)

Sober Brothers, Inc.

Van Eaton Ready Mix, Inc.