Kline Materials (Woodward)

R.G. Miser

Arkhola Sand and Gravel Co. (Spiro)

Mule Creek Stone (Santee 1)

Logan County Asphalt

BCM Oklahoma, LLC (Douglas)

B&B Sand & Gravel

Milam Tool Co.

Holiday Sand & Gravel, Co. (Coweta #10)

Michael Parker dba Parker Rock

Harrison Gypsum dba Allied Custom Gypsum (Allied #2)

APAC-Oklahoma (J-6 Quarry)

Kemp Stone (Hulbert)

Dolese Bros. Co. (Coleman)

Dolese Bros. Co. (Guthrie)

Hanson Aggregates WRP Inc.

UNIMIN Corp. (Mill Creek)

General Materials, Inc. (Norman)

Arhola Sand & Gravel Co. (Muskogee)

Chris Watson dba Bedrock Stone (Watson #3)

Quapaw Co. (Badger)