#1 – 9

3M Mining & Minerals Extraction Group

A

AIG

Alabama Coal Association

Alaska Miners Association

Alden Resources, LLC

Alliance Coal, LLC

Alpha Engineering Services

Amerex Corporation

American Augers

American Coal Council

American Exploration & Mining Association

Ansul Incorporated

Antraquip Corporation

Arch Resources, Inc.

ARIPPA

Arizona Mining Association

Austin Powder Company

B

Barr Engineering Company

Barrick Gold of North America

Bayer U.S. – Crop Science

Becker Mining America

Berkley Industrial Comp

BEUMER Group

BGR Group

BKT USA Inc.

Black Cat Wear Parts

Boart Longyear Company

Bonfiglioli USA

Boral Resources

Breaker Technology Inc.

Bridgestone Americas Off Road Tire Division

Brownstein Hyatt Farber Schreck

C

C.E. Niehoff & Co.

Cameco Resources, Inc.

Caterpillar Inc.

Cincinnati Mine Machinery Co.

Civil & Environmental Consultants, Inc.

Clark Hill PLC

Coeur Mining, Inc.

Colorado Mining Association

Columbia Steel Casting Co., Inc.

CONSOL Energy Inc.

Crowell & Moring L.L.P.

Cumberland Surety, Inc.

Cummins Engine Company, Inc.

D

Davis Graham & Stubbs, LLP

Derrick Corporation

Deutz Corporation

Dinsmore & Shohl, LLP

Dorsey

Draeger

Driver Industrial

Drummond Company, Inc.

Duff Norton Air Jack Co.

Dux Machinery Corporation

Dry Systems Technologies LLC

DYNO NOBEL INC.

E

Ecosystem Investment Partners, LLC.

Energy Fuels Resources (USA) Inc.

Energy Transfer Partners, L.P.

Environmental Standards, Inc.

Epiroc

Equinox Gold Corp.

ESP International

F

Farrell-Cooper Mining Company

Fennemore Craig, P.C.

Fisher Phillips LLP

FLEXCO

FLSmith Inc.

Franklin Electric

Freeport-McMoRan Inc.

G

Gallagher & Kennedy

General Kinematics

Geoprobe Systems

Georgia Mining Association

GHH Mining and Tunneling

Global External Relations

Global Shop Solutions

Goodyear Tire & Rubber Co., The

Gorman-Rupp Company

Ground Force Mfg. LLC

H

Haile Gold Mine, Inc.

Hallador Energy Company

Hard-Line USA Inc.

Hauhinco LP

Haver & Boecker

Hecla Mining Company

Helac Corporation

Hercules Sealing Products

The Hilliard Corporation

Hitachi Mining

Holland and Hart

Hudbay Minerals

Hunton Andrews Kurth LLP

Husch Blackwell LLP

I

Idaho Mining Association

Illinois Coal Association

Immersive Technologies, Inc.

Indiana Coal Council, Inc.

Innovative Wireless Technologies

Iowa Mold Tooling Co., Inc.

Iron Mining Association of MN

ITR America

ITW Performance Polymers

J

J.H. Fletcher & Co.

J.R. Simplot Company

Jackson Kelly PLLC

Jackson Lewis LLP

Jennmar Corporation

John T. Boyd Company

K

Kentucky Coal Association

Kentucky River Properties LLC

Kinross Gold USA, Inc.

Klein Products, Inc.

Knapheide Manufacturing Company (The)

Komatsu America Corporation

Komatsu Mining Corporation

Kress Corporation

Kyanite Mining Corporation

L

L&H Industrial

Latham & Watkins?

Lewis Brisbois Bisgaard & Smith

Liebherr Mining Equipment Co.

Lighthouse Resources Inc.

Lignite Energy Council

Line Power Manufacturing Corp.

Luminant Mining

M

MacLean Engineering and Marketing Co.

Maintainer Corporation of Iowa, Inc.

Manitou North American, LLC

Mapei Corporation

Marigold Mining Company

Marshall Miller & Associates

Martin Engineering

Materion Natural Resources

MB America

McLanahan Corporation

McLellan Equipment

MEGA Corp.

Mercer Rubber Company

MICON/Phoenix First Response

Midas Gold Idaho, Inc.

Millennium Bulk Terminals – Longview, LLC.

MineARC

Mine Rite Technologies

Mining Media

MiningMinnesota

MMD Mineral Sizing (America), Inc.

Morton Salt

MTG

MTU America

Myrtle Consulting Group

N

National Gypsum Company

Natural Resource Partners L.P.

Navajo Transitional Energy

Nelson Brothers, Inc.

Nevada Mining Association

New Mexico Mining Association

Newmont

Nexans AmerCable

Nordmin Group of Companies USA, Inc.?

North American Coal Corp.

North Star Strategies, LLC.

NOVAGOLD Resources, Inc.

NPK Construction Equipment

Nutrien

Nyrstar

O

Ogletree, Deakins, Nash, Smoak & Stewart, P.C.

Ohio Coal Association

P

Pardee Resources Company

Parsons, Behle & Latimer

Partners in Performance

Peabody

Pebble Partnership Limited

Penn-Ohio Coal Company

Pennsylvania Coal Alliance

Perkins Coie LLC

Philippi-Hagenbuch, Inc.

Phillips Machine Service, Inc.

Piney Land Company

Pocahontas Land Corporation

PolyMet Mining Corporation

Prairie State Generating Company, LLC

Predictive Safety SRP, Inc.

Preiser Scientific, Inc.

PriceWaterhouseCoopers LLP

Q

Quaker Houghton

R

Ramaco Resources

Ramboll Environ

RCF Management LLC

Redpath Group, The

Rema Tip Top, North America Inc.

Rimex Inc.

Rimpull Corporation

Rio Tinto/Kennecott Utah Copper

RM Biltrite

Royal Gold, Inc.

RPMGlobal

S

Saminco

Sandvik Mining & Construction USA, LLC

Schneider Electric

SEETECH LLC

SEW Eurodrive

Sibanye-Stillwater

Siemens Industries

SmithCo Side-Dump Trailers

Snell & Wilmer LLP

SRK Consulting (U.S) Inc.

Southwire

Standard Lithium?

Stantec

Stellar Industries Inc.

Steptoe & Johnson PLLC

Strata Products (USA) LLC

Stu Blattner, Inc.

Summitt Truck Equipment

Superior Industries, Inc.

Syntron Material Handling

T

Teck American Incorporated

TEI ROCK DRILLS, INC.

Telsmith, Inc.

Tennessee Mining Association

Terramac

Texas Mining & Reclamation Association

Thunderbird Mining Systems

ThoroughTec Simulation USA Inc.

Tiefenbach North America, LLC

Total Power, Inc.

Trapper Mining Inc.

Tri-State Generation and Transmission Association

Trinity Consultants

Twin Metals Minnesota

U

UGM ADDCAR Systems, LLC

Uranium Energy Corporation

Uranium One, Americas

Uranium Resources, Inc.

Ur-Energy USA Inc.

Usibelli Coal Mine, Inc.

Utah Mining Association

V

VDG (Van der Graaf)

Venable LLP

Vermeer Corporation

Virginia Coal & Energy Alliance

W

Wabtec Corporation

Wanner Engineering

Warrior Met Coal

WEIR International, Inc.

WEIR ESCO?

WESTECH

Western Fuels Association, Inc.

West Virginia Coal Association

WireCo World Group

Wirtgen America

World Resources Company

Wyodak Resources Development Corporation

Wyoming Mining Association

X

Xcoal Energy & Resources

Xylem Dewatering

Y

Yokohama Tire Corporation

Young’s Machine Co.

Z