Utility Members (22)

AES

American Electric Power (AEP)

Aurora Energy, LLC

Colorado Springs Utilities

Colstrip Energy Limited Partnership

Dairyland Power Cooperative

DTE Energy

Duke Energy Corporation

Evergy

Firstenergy Corp

Great River Energy

Kansas City Board of Public Utilities

LG&E and KU Services Company

Muscatine Power & Water

Nebraska Public Power District

NRG Energy, Inc

Prairie State Generating Company LLC

Southern Company

Southern Illinois Power Cooperative

Tennessee Valley Authority

Tri-State Generation & Transmission Assn, Inc.

WEC Business Services LLC

Marketer Members (12)

ASHCOR USA Inc

Boral Resources

Charah Solutions, Inc.

Kansas City Fly Ash LLC

LafargeHolcim - Geocycle

National Minerals Corporation

Nebraska Ash

Salt River Materials Group

Separation Technologies, LLC

The SEFA Group

Waste Management

ZAG International Pte Ltd

Specialty Marketers (4)

Beneficial Reuse Management/Gypsoil

Sphere One, Inc.

U.S. Minerals

USC Technologies

Associate Members (60)

AECOM

APTIM

ASH Mineral Solutions

Beneficiate: North America

BEUMER Corporation

CALM Initiative

CCR Strategies & Solutions, LLC

Cementitious Solutions LLC

Certainteed Gypsum

Civil & Environmental Consultants, Inc.

Dustmaster Enviro Systems

Emilcott Associates, Inc.

Encap-It

Environmental Specialties International, Inc

Frontier Group of Companies

GAI Consultants, Inc.

GEI Consultants, Inc

Georgia Pacific Gypsum LLC

Georgia Pacific Gypsum LLC

Global Containment Solutions

Golder Associates

Gradient

Griffin Dewatering

Ground/Water Treatment & Technology, LLC

Haley & Aldrich, Inc.

Hallaton Environmental Linings

Hanson Professional Services

HDR

Hilltop Enterprises, Inc.

Hull & Associates, Inc.

Ish, Inc.

John Ward Inc.

Keller

Lhoist North America

MRR Southern

Nelson Mullins Riley & Scarborough

Nu-Rock Technology USA

P. Cassels Law, PLLC

Philen Construction

Phillips and Jordan, Inc.

Quikrete Companies, LLC

Republic Services

Richard Kinch

RPM Solutions

S&ME, Inc

Saiia Construction Company, LLC

SCS Engineers

Sevenson Environmental Services Inc.

Silar Services Incorporated

SMI-PS, Inc.

Son-Haul, Inc.

Sonoash LLC

Tarmac International Inc.

Tetra Tech

Trans Ash, Inc.

TRC

United States Gypsum Company

University of Kentucky

Waste Connections, Inc.

WOOD