Materials companies

ADM - Archer-Daniels-Midland Company

ALB - Albemarle Corporation

ALEX - Alexander & Baldwin, Inc.

ANDV - Andeavor

ANR - Alpha Natural Resources, Inc.

APD - Air Products and Chemicals, Inc.

ARG - Airgas, Inc.

ARNC - Arconic Inc.

ASH - Ashland Inc.

ATI - Allegheny Technologies Incorporated

AVY - Avery Dennison Corporation

BMS - Bemis Company, Inc.

BTU - Peabody Energy Corporation

CF - CF Industries Holdings, Inc.

CLF - Cliffs Natural Resources Inc.

DD - E. I. Du Pont De Nemours and Company

DF - Dean Foods Company

DWDP - DowDuPont Inc.

EMN - Eastman Chemical Company

FCX - Freeport-McMoRan Inc.

FMC - FMC Corporation

GLW - Corning Incorporated

GRA - W. R. Grace & Co.

GT - The Goodyear Tire & Rubber Company

HPC - Hercules Incorporated

HRL - Hormel Foods Corporation

HSY - The Hershey Company

IFF - International Flavors & Fragrances Inc.

IP - International Paper Company

ITW - Illinois Tool Works Inc.

LEG - Leggett & Platt, Incorporated

LYB - LyondellBasell Industries N.V.

MKC - McCormick & Company, Incorporated

MLM - Martin Marietta Materials, Inc.

MMM - 3M Company

MON - Monsanto Company

MOS - The Mosaic Company

MWV - MeadWestvaco Corporation

NEM - Newmont Goldcorp Corporation

NUE - Nucor Corporation

PCL - Plum Creek Timber Company, Inc.

PLL - Pall Corp

PPG - PPG Industries, Inc.

PSX - Phillips 66

PTV - Pactiv Corporation

PX - Praxair, Inc.

ROH - Rohm and Haas Company

SHW - The Sherwin-Williams Company

SIAL - Sigma-Aldrich Corporation

SUN - Sunoco Inc

TIE - Titanium Metals Corporation

UG - United-Guardian, Inc.

VLO - Valero Energy Corporation

VMC - Vulcan Materials Company

WY - Weyerhaeuser Company

X - United States Steel Corporation