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Lab Number Lab Name City State
908403 R. K. Hall Construction, LLC Texarkana Laboratory Texarkana AR
913509 R. K. Hall Construction, LLC De Queen Laboratory De Queen AR
913709 R. Thompson, Inc. Hamburg Laboratory Hamburg AR
911006 Razor Rock Materials Company Harrisburg Laboratory Harrisburg AR
915111 Robertson, Inc. - Bridge & Grading Robertson, Inc. - Bridge & Grading Laboratory Strawberry AR
911706 Rogers Group, Inc. Greenbrier Laboratory Greenbrier AR
901300 Rogers Group, Inc. Cabot Laboratory Cabot AR
909604 Rogers Group, Inc. El Paso Laboratory El Paso AR