Arch Materials LLC

Best Sand Corp/ Fairmount Minerals

East Fairfield Coal Co. / Limestone Division

Hanson Aggregates / Heidelberg Cement

Hilltop Basic Resources

Lafarge North America

Martin Marietta Aggregates

Martin Marietta Magnesia

MGQ Aggregates, Inc.

National Lime & Stone Co.

Oldcastle Materials

Phillips Companies

Shelly Company

Sidley, Inc., R. W.

Aggcorp

Aggregate Manufacturing International (AMI)

Air-Land Surveys

Bowser-Morner Testing Laboratories

Brechbuhler Scales, Inc.

http://www.b-tek.com/

Buckeye Mineral Services, Inc./ BMS Aerial photo, Inc.

Civil & Environmental Consultants, Inc.

Clifton Steel Company

Columbus Equipment Co.

Conviber Inc. Midwest Division

Dine Comply Inc.

Dredging Supply Company, Inc.

Durex Products, Inc.

Eagle Crusher

Gilson Company, Inc.

MECO - Manufacturers Equipment Co.

Midwestern Industries, Inc.

Mine Equipment & Design, LLC

Mine Services Company, Inc.

Natural Resources Management, LLC

Ohio Cat

Polydeck Screen Corporation

Process Machinery, Inc.

PMI-Metso Brochure 8-30-11

R. A. Equipment, Inc.

Rebsco, Inc.

RESPEC

Stedman Machine Company

Stone Products, Inc.

Tecweigh

Tema Isenmann

Thaman Rubber Co.

Unified Screening and Crushing of Ohio

Vibra-Tech

Zinkan Water Treatment & Specialty Chemical Solutions

CompManagement Health Systems: Endorsed Workers' Comp MCO

Flexible Pavement.org

National Mining Hall of Fame

National Stone, Sand & Gravel Association

NCSC - North Central Superpave Center

Ohio Department of Natural Resources

Ohio Department of Transportation Home Page

Ohio Ready Mixed Concrete Association

The International Center for Aggregates Research

Contract Lettings

Federal EPA - Region V

MSHA

Ohio Dept. of Development

Ohio Dept. of Transportation

Ohio Environmental Protection Agency

Ohio General Assembly

Ohio General Assembly

General Information on Ohio General Assembly including Members and current Legislation. 

http://www.legislature.state.oh.us/

Letter from Senate President and House Speaker Regarding Great Lakes Compact Veto

Great Lakes Leadership Letter

Public Utilities Commission

USEPA