AAR Corp.
Abbott Laboratories
Academy Securities Inc.
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Adecco Group AG
Advanced Technology Services, Inc. (ATS)
AECOM
Aerotek Inc.
Aetna
AIG
Albemarle Corporation
Alight Solutions, LLC
Altec, Inc.
Amazon
Amentum Services, Inc.
Ameren Corporation
American Airlines
American States Utility Services, Inc. (ASUS)
American Water Company
Ameriprise Financial Inc.
AmeriVet Securities, Inc.
Amgen
Amica Mutual Insurance Company
Apex Systems
Applied Materials Inc.
Archer Daniels Midland Company
Armed Forces Insurance
Army and Air Force Exchange (AAFES)
Associated Banc-Corp
AT&T Inc.
ATLAS Space Operations
Automatic Data Processing, Inc.
Averitt Express
Avis Budget Group, Inc.
BAE Systems plc.
Bank of America
Beacon Building Products
Becton, Dickinson and Company
Berkshire Hathaway Energy
BJC HealthCare
Blue Cross and Blue Shield of Louisiana
BNSF Railway Company
bp America
BPS Direct, LLC
Bristol-Myers Squibb (BMS)
Builders FirstSource
CACI International, Inc.
California American Water
Capgemini America, Inc.
Capital One
CarMax, Inc.
CBRE Group, Inc.
CDW
Cedars-Sinai Health System
Centene Corporation
CenterPoint Energy, Inc.
Charles Schwab & Co., Inc.
Charter Communications
Chevron Corporation
Cintas Corporation
Cisco Systems, Inc.
Citigroup, Inc.
Citizens Financial Group
ClarkDietrich
Clean Harbors, Inc.
Combined Insurance, a Chubb Company
Conagra Brands, Inc.
Concurrent Technologies Corporation
Conduent
Consolidated Edison
Consumers Energy Company
Cox Enterprises
CruiseOne/Dream Vacations
CSX Transportation
Cummins, Inc.
Cushman & Wakefield
DaVita, Inc.
Deloitte Global
Dematics
Discover Financial Services, Inc.
Dollar General
Dominion Energy, Inc.
DTE Energy Co.
Eastman Chemical Company
Eaton Corporation plc
Echostar/DISH Network
Encore
EnerSys
ENSCO, Inc.
Equinix, Inc.
Excentium, Inc.
EY
F.N.B. Corporation
Farmers Insurance Group
FedEx Corp.
Fidelity Investments
Fifth Third Bank
First Command Financial Services, Inc.
First National Bank Corporation
Fiserv, Inc.
Flagstar Bank, N.A.
Fluor Corporation
Ford Motor Company
Form Energy
FORVIS
Frontier Communications, Inc.
Fugro
General Dynamics Information Technology (GDIT)
General Dynamics Mission Systems
General Electric (GE)
Grainger
Gulfstream Aerospace Corporation
HCA Healthcare
Herc Holdings Inc.
HII
Hilton
Honeywell International Inc.
Hormel Foods Corp.
HP Inc.
Humana
Hyundai Motor America
IBM
Illumina
Intuit, Inc.
J.B. Hunt Transport, Inc.
Johnson & Johnson
JPMorgan Chase & Co.
Kearney
Kellanova
Kelly Services
KeyBank
Kiewit
KPMG
L’Oreal USA, Inc.
LA Nail Coach LLC
Leidos Holdings, Inc.
Levi Strauss & Co.
Lexmark International, Inc.
Liberty Mutual Insurance
Lockheed Martin
Love’s Travel Stop
Lowe’s Companies, Inc.
ManTech International
MATHESON
Maximus Inc.
McKesson Corporation
McLane Company, Inc.
Melton Truck Lines
Merck & Co., Inc.
MetLife, Inc.
MGM Resorts International
Michelin
Microsoft
MITRE Corporation
Morgan Stanley
Nationwide Mutual Insurance Company
Navy Federal Credit Union
NBCUniversal Media, LLC
Nestlé USA Inc.
Noblis ESI
Norfolk Southern Railroad
Northern Trust Corporation
Northrop Grumman Corporation
Northwestern Mutual
Novartis AG
Novolex
Nucor Corporation
Oak Ridge Associated Universities (ORAU)
Oceaneering International, Inc. (OII)
Old National Bank
Olympus Corporation of the Americas (OCA)
Oracle Systems Corporation
Oshkosh Corporation
Parker Hannifin
Parsons Corporation
PENNYMAC
Penske Truck Leasing Co., L.P.
Pentagon Federal Credit Union (PenFed)
Peraton
Phillips 66
Pike Corporation
PNC Financial Services Group, Inc.
Precise Systems Inc.
Premise Health
PricewaterhouseCoopers (PwC)
PRIDE Industries
Principal Financial Group Inc.
Progressive
Prudential Financial, Inc.
Public Service Enterprise Group
Randstad
Robert Half International Inc.
Rocket Companies
Roehl Transport, Inc.
Roush Performance
RTX
Sanofi
Schneider Electric SE
Seagate Technology Holdings plc
Sempra
Shell Oil Company
Siemens Medical Solutions USA, Inc.
Smithfield Foods
Sodexo, USA
Sonoco
Southern Company
Southwest Airlines Co.
Spectrum
Stellantis
Strategic Staffing Solutions (S3)
Stryker Corporation
Sunbelt Rentals, Inc.
Sunrun Inc.
Synchrony Financial
Sysco
T-Mobile USA, Inc.
TE Connectivity
Telephone and Data Systems, Inc. (TDS)
The Boeing Company
The Cigna Group
The Coca-Cola Co.
The Goodyear Tire & Rubber Company
The Hartford Financial Services Group Inc.
The Home Depot USA, Inc.
The Walt Disney Company
TIAA
Trane Technologies plc
Travelers
U-Haul International
U.S. Bank
U.S. Custom & Border Protection
Uber Technologies Inc.
Unilever
Union Pacific Railroad
United Concordia Companies, Inc. (UCCI)
United Rentals, Inc.
United Services Automobile Association (USAA)
United Sites Services
United States Department of Veterans Affairs
United States Patent and Trademark Office (USPTO)
United States Post Office
United States Secret Service
Veolia North America (VNA)
Verizon Communications Inc.
Viasat Holding, Inc.
Walgreens
Walmart Inc.
Wells Fargo & Company
Werner Enterprises, Inc.
Windstream Holdings
Wyndham Hotels & Resorts, Inc.
Xcel Energy Inc.
Xerox Corporation
Zurich North America
