Business services companies

ACM - AECOM

ACN - Accenture plc

ADP - Automatic Data Processing, Inc.

ADS - Alliance Data Systems Corporation

AJG - Arthur J. Gallagher & Co.

AON - Aon plc

ARW - Arrow Electronics, Inc.

AW - Allied Waste Industries Inc

CBOE - CBOE Holdings, Inc.

CHRW - C.H. Robinson Worldwide, Inc.

CME - CME Group Inc.

CRM - salesforce.com, inc.

CRVL - CorVel Corporation

CTAS - Cintas Corporation

DNB - Dun & Bradstreet Corporation

ECL - Ecolab Inc.

EFX - Equifax Inc.

EXPD - Expeditors International of Washington, Inc.

FDS - FactSet Research Systems Inc.

FDX - FedEx Corporation

FIS - Fidelity National Information Services, Inc.

FISV - Fiserv, Inc.

GPN - Global Payments Inc.

GWW - W.W. Grainger, Inc.

HOT - Starwood Hotel & Resorts Worldwide, Inc.

HRB - H&R Block, Inc.

HSIC - Henry Schein, Inc.

ICE - Intercontinental Exchange, Inc.

ICE - NYSE Euronext

INFO - IHS Markit Ltd.

INTU - Intuit Inc.

IPG - The Interpublic Group of Companies, Inc.

IRM - Iron Mountain Incorporated

IT - Gartner, Inc.

JBL - Jabil Circuit, Inc.

LDOS - Leidos Holdings, Inc.

LKQ - LKQ Corporation

LNKD - LinkedIn Corporation

MCK - McKesson Corporation

MCO - Moody’s Corporation

MMC - Marsh & McLennan Companies, Inc.

NLSN - Nielsen Holdings plc

NXGN - NextGen Healthcare, Inc.

OMC - Omnicom Group Inc.

PAYX - Paychex, Inc.

PWR - Quanta Services, Inc.

PYPL - PayPal Holdings, Inc.

RAMP - LiveRamp Holdings

RAVN - Raven Industries, Inc.

RHI - Robert Half International Inc.

RRD - R.R. Donnelley & Sons Company

RSG - Republic Services, Inc.

RX - IMS Health Incorporated

SANM - Sanmina Corporation

SAPE - Sapient Corp

SRCL - Stericycle, Inc.

SYNT - Syntel, Inc.

SYY - Sysco Corporation

V - Visa Inc.

WLTW - Willis Towers Watson plc

WM - Waste Management, Inc.

XRX - Xerox Corporation