Acorn Engineering

Akzo Nobel

Alcan/Pechiney

AM General

Annin & Co.

Apache Corporation

Bayer

BD Biosciences

Bemis

Bendix Truck Braking Systems

Bloomberg

BP America Inc.

Burger King

Carlisle Interconnect Technologies

Central Michigan University

Conoco Phillips

Electro-Motive Diesel

Eisai, Inc.

Ferrara Pan Candy Company

Firestone Diversified Products, LLC

GE Osmonics

General Atomics

General Motors

Greenlee (a unit of Textron)

Guidant (Johnson & Johnson)

Gwinnett County

Halliburton

Hillerich & Bradsby

Henkel

Hitachi, Ltd.

Hollister Incorporated

Hu-Friedy

Johnson & Johnson

Kindred Healthcare

Kodak

Kubota Tractor Corporation

Lamson & Sessions

Lansing Board of Water & Light

Lifetime Brands

Lockheed Martin Corporation

Lyondell Equistar

Milliken & Company

Novis Pharmaceutical

OfficeMax

Pacific Coast Building Products

Peoples Energy (a unit of Integrys)

Puget Sound Energy, Inc.

Reilly Chemical

Rolls-Royce Corporation

Royal Cup Coffee

Sauder Woodworking Co.

Schwarz Pharma Inc.

Siemens Water Technologies

Stanley Black & Decker, Inc.

State of North Carolina

Tennant Company

The Chamberlain Group, Inc.

The Home Depot

The Toro Company

Thomson Consumer Electronics

TravelCenters of America

Ulta

U.S. Defense Finance Accounting Service (DFAS)

U.S. Defense Logistics Agency (DLA)

U.S. Department of Agriculture (USDA)

U.S. Navy (NAVAIR, NAVSEA, NAVSUP)

Wausau Homes

Whirlpool

Wm. Wrigley Jr. Company (Mars, Inc.)