Black Mesa Sand, LLC

Hoskins Gypsum, LLC

Anchor Stone, Co. - Bixby

Sherwood Construction

Pryor Sand Co.

Brazil Creek Minerals, Inc. - Gore #2

Rock Investment - Green Country

APAC - Central, Inc. - Spriro

Acme Brick Company - Edmond

Pryor Stone Co. - #2

TXI Sand Operations, LP - Bell Savoy

Lattimore Materials Corp. - Stringtown

Hydro Quarry, LLC - Hydro-Bright

Harrison Gypsum, LLC - Harrison Gypsum #2

Continental Concrete, LLC - Farm Mine

Panther Sand, LLC

Enrem Materials

Fargo Stone Inc. - Overstreet #1

Quality Production of Stigler, Inc.

Grant County Commission - Dist 3 Stoney Point Mine