Economic Consulting Services, LLC



ECS’ knowledge of the business implications of international trade and tax regulations allows its clients to maximize their business opportunities and maintain a competitive advantage.

Establishing strong working relationships with our clients is a critical component of delivering long term sustainable value.

ECS’ clients include the most prestigious law firms as well as Fortune 500 firms and numerous trade associations. Our global clients span a broad spectrum of industries such as energy, chemicals, metals and other natural resources, electronics, pharmaceuticals, agricultural, and industrial goods.


Law Firms

Akin Gump Strauss Hauer & Feld, LLP

Alston & Bird LLP

Arent Fox LLP

Arnold & Porter Kaye Scholer LLP

Baker Botts LLP

Baker McKenzie


Ball Janik LLP

Barnes & Thornburg LLP

Blank Rome LLP

Cassidy Levy Kent LLP

Cleary, Gottlieb, Steen & Hamilton LLP

Clifford Chance

Covington & Burling LLP

Crowell & Moring LLP

Curtis, Mallet-Prevost, Colt & Mosle LLP

Dechert LLP

DeKieffer & Horgan, PLLC

DLA Piper

Drinker Biddle & Reath LLP

Eversheds Sutherland (US) LLP

Fenwick & West LLP

Gibson, Dunn & Crutcher LLP

Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP

Hogan Lovells US LLP

Holland & Knight LLP

Hughes Hubbard & Reed LLP

Ivins, Phillips & Barker, Chartered

King & Spalding LLP

Mayer Brown LLP

McDermott Will & Emery

Millbank, Tweed, Hadley & McCloy, LLP

Miller & Chevalier Chartered

Morris, Manning & Martin, LLP

Morrison & Foerster LLP

Mowry & Grimson, PLLC

Nossaman LLP

O’Melveny & Myers LLP

Paul Hastings LLP

Perkins Coie LLP

Shearman & Sterling LLP

Sidley Austin LLP

Squire Patton Boggs

Steptoe & Johnson LLP

Sullivan & Cromwell LLP

Trade Pacific, PLLC

Weil, Gotshal & Manges LLP

White & Case LLP

Willkie Farr & Gallagher LLP

Wilmer Cutler Pickering Hale and Dorr LLP

Vinson & Elkins LLP


Agricultural & Food Products

Cargill Inc.


Coca-Cola Foods

Hosa International

IBP, Inc.

Langer Juice Company, Inc.


Procter & Gamble Company

Energy and Chemicals

Dow Chemical Company

Occidental Chemical Corporation

Petros Mexicanos (PEMEX)

Solutia, Inc.

Sterling Chemicals, Inc.

Metals & Other Natural Resources

ASARCO Incorporated

British Steel



Elkem Metals Company

Globe Metallurgical Inc.

Iscor Limited

Mannesmann AG

Nippon Steel Corporation

Outokumpu Oyj

Thyssen Krupp Stahl AG


US Magnesium LLC.

Fabricated Metal Products

Eaton Corporation

Illinois Tool Works

NSK, Ltd.

Ward Manufacturing

Industrial and Electrical Equipment

Kinetic Industries

Makita Corporation

Millipore Corporation


American Telephone & Telegraph

Cummins-Allison Corporation

Eastman Kodak Company

Micron Technology, Inc.

Mitsubishi Heavy Industries, Ltd.

Nissei Sangyo America, Ltd.

Texas Instruments, Inc.

Transportation & Recreational Equipment

BTR Dunlop Corporation

Harley-Davidson Motor Co., Inc.

Toyota Motor Corporation

Medical and Pharmaceuticals

Numerous companies under confidential agreements

Other Industries

Advanced Medical Technology Association

Ack-Ti Lining

DHL Corporation

Fuji Photo Film Co., Ltd.


NewPage Corporation

Southdown, Inc.

United Parcel Service of America, Inc. (UPS)

Trade Associations

Advanced Medical Technology Association

American Dehydrated Garlic & Onion Association

American Fiber Manufacturers Association, Inc.

American Postal Workers Union

American Textile Manufacturers Institute

American Yarn Spinners Association

Bureau of National Affairs

California Kiwifruit Commission

Fresh Garlic Association

National Association of Manufacturers

National Candle Association

National Mining Association

Neckwear Association of America

Soft Goods Trade Associations

Wheat Gluten Industry Council

U.S. Government Agencies

Bureau of Mines

Department of Agriculture

Department of Commerce

Department of Justice

Department of Labor

Department of State

Department of the Treasury

Internal Revenue Service

Office of the United States Trade Representative

Small Business Administration