ACG

ACI Worldwide/TSA

Applied Biosystems

Apria Healthcare

Aramco Services Company

Artesyn Technologies

Axis Search International

BHP Billiton

Boise Cascade Corporation

Bristol-Myers Squibb

CCH Incorporated

Charles River Laboratories

CTS Corporation

DBSI Group of Companies

Deloitte & Touche Tax Technologies

Diebold, Inc.

Dollar Tree Stores

Dominion

Equitable

Ernst & Young LLP

Exelon Corporation

First Data Corporation

Foster Wheeler

General Re

H&R Block

Internal Revenue Service

Joseph C. Sansone Company

Kelly Services, Inc.

Kinkos

MassMutual

Maxim Healthcare Services

Maytag Corporation

McKesson

MDC Holdings

Metris Companies

Metrocall, Incorporated

Nationwide

Nextel Communications

Opus Corporation

Pactiv

PanAmSat Corporation

PFPC

Practitioners Publishing Company

Realty Investment Co. Inc.

Sallie Mae

Staples

Subaru of America

Takeda Pharmaceuticals North America

TaxSearch Inc.

TaxSearch Incorporated

TaxTalent.com Inc.

Teleflora

The AES Corporation

The Flatley Company

THE TIMKEN COMPANY

Thomson RIA

Thomson West

Tiffany & Co.

TJX

U.S. Tax & Financial Services Ltd.

Union Pacific Railroad Corportation

United Rentals Inc

United Technologies Corporation

USAA

Verizon

Vertex Inc.

Watson Wyatt

Wisconsin Department of Revenue

World Fuel Services Corporation