| 3M Company |
MMM |
| A.O. Smith Corporation |
AOS |
| Abbott Laboratories |
ABT |
| AbbVie Inc. |
ABBV |
| Accenture Plc |
ACN |
| Aflac Incorporated |
AFL |
| Air Products and Chemicals, Inc. |
APD |
| ALLETE, Inc. |
ALE |
| Alliant Energy Corporation |
LNT |
| Altria Group, Inc. |
MO |
| Amdocs Limited |
DOX |
| Ameren Corporation |
AEE |
| America Movil, S.A.B. de C.V. (ADR) |
AMX |
| American Electric Power Company, Inc. |
AEP |
| American States Water Company |
AWR |
| Amgen Inc. |
AMGN |
| Analog Devices, Inc. |
ADI |
| Assurant, Inc. |
AIZ |
| AstraZeneca Plc (ADR) |
AZN |
| AT&T Inc. |
T |
| Atmos Energy Corporation |
ATO |
| Automatic Data Processing, Inc. |
ADP |
| Avangrid, Inc. |
AGR |
| Avery Dennison Corporation |
AVY |
| Bank of Montreal |
BMO |
| Baxter International Inc. |
BAX |
| BCE Inc. |
BCE |
| Becton, Dickinson and Company |
BDX |
| BlackRock, Inc. |
BLK |
| Booz Allen Hamilton Holding Corporation |
BAH |
| Brady Corporation |
BRC |
| Bristol-Myers Squibb Company |
BMY |
| British American Tobacco Plc (ADR) |
BTI |
| Broadridge Financial Solutions, Inc. |
BR |
| Brown-Forman Corporation |
BF/B |
| C.H. Robinson Worldwide, Inc. |
CHRW |
| California Water Service Group |
CWT |
| Cal-Maine Foods, Inc. |
CALM |
| Campbell Soup Company |
CPB |
| Canadian Imperial Bank of Commerce |
CM |
| Canadian National Railway Company |
CNI |
| Caterpillar Inc. |
CAT |
| Chesapeake Utilities Corporation |
CPK |
| Chevron Corporation |
CVX |
| Chubb Limited |
CB |
| Cisco Systems, Inc. |
CSCO |
| CME Group Inc. |
CME |
| CMS Energy Corporation |
CMS |
| CNA Financial Corporation |
CNA |
| Cognizant Technology Solutions Corporation |
CTSH |
| Colgate-Palmolive Company |
CL |
| Comcast Corporation (Class A) |
CMCSA |
| Commerce Bancshares, Inc. |
CBSH |
| Conagra Brands, Inc. |
CAG |
| Consolidated Edison, Inc. |
ED |
| CSX Corporation |
CSX |
| Cummins Inc. |
CMI |
| CVS Health Corporation |
CVS |
| Deere & Company |
DE |
| Diageo Plc (ADR) |
DEO |
| Dolby Laboratories, Inc. |
DLB |
| Donaldson Company, Inc. |
DCI |
| DT Midstream, Inc. |
DTM |
| DTE Energy Company |
DTE |
| Duke Energy Corporation |
DUK |
| Emerson Electric Co. |
EMR |
| Enbridge Inc. |
ENB |
| Entergy Corporation |
ETR |
| Equinix, Inc. |
EQIX |
| Erie Indemnity Company |
ERIE |
| Essential Utilities, Inc. |
WTRG |
| Evergy, Inc. |
EVRG |
| Eversource Energy |
ES |
| Exelon Corporation |
EXC |
| Exxon Mobil Corporation |
XOM |
| Fastenal Company |
FAST |
| Flowers Foods, Inc. |
FLO |
| Fortis Inc. |
FTS |
| Garmin Ltd. |
GRMN |
| GATX Corporation |
GATX |
| General Dynamics Corporation |
GD |
| General Mills, Inc. |
GIS |
| Genpact Limited |
G |
| Gentex Corporation |
GNTX |
| Gilead Sciences, Inc. |
GILD |
| Graco Inc. |
GGG |
| GSK Plc (ADR) |
GSK |
| Honda Motor Co., Ltd. (ADR) |
HMC |
| Honeywell International Inc. |
HON |
| Hormel Foods Corporation |
HRL |
| Houlihan Lokey, Inc. |
HLI |
| Hubbell Incorporated |
HUBB |
| Huntington Ingalls Industries, Inc. |
HII |
| IDACORP, Inc. |
IDA |
| IDEX Corporation |
IEX |
| Illinois Tool Works Inc. |
ITW |
| Infosys Limited (ADR) |
INFY |
| Ingredion Incorporated |
INGR |
| Intercontinental Exchange, Inc. |
ICE |
| International Business Machines Corporation |
IBM |
| J & J Snack Foods Corp. |
JJSF |
| Jack Henry & Associates, Inc. |
JKHY |
| Johnson & Johnson |
JNJ |
| Johnson Controls International Plc |
JCI |
| JPMorgan Chase & Co. |
JPM |
| Juniper Networks, Inc. |
JNPR |
| Kellanova |
K |
| Keurig Dr Pepper Inc. |
KDP |
| Kimberly-Clark Corporation |
KMB |
| L3Harris Technologies Inc. |
LHX |
| Lancaster Colony Corporation |
LANC |
| Lincoln Electric Holdings, Inc. |
LECO |
| Lockheed Martin Corporation |
LMT |
| Lowe's Companies, Inc. |
LOW |
| Marsh & McLennan Companies, Inc. |
MMC |
| MAXIMUS, Inc. |
MMS |
| McCormick & Company, Incorporated |
MKC |
| McDonald's Corporation |
MCD |
| Medtronic Plc |
MDT |
| Merck & Co., Inc. |
MRK |
| Mondelez International, Inc. |
MDLZ |
| MSC Industrial Direct Co., Inc. (Class A) |
MSM |
| Nasdaq, Inc. |
NDAQ |
| National Fuel Gas Company |
NFG |
| New Jersey Resources Corporation |
NJR |
| NewMarket Corporation |
NEU |
| NIKE, Inc. (Class B) |
NKE |
| NiSource Inc. |
NI |
| Norfolk Southern Corporation |
NSC |
| Northrop Grumman Corporation |
NOC |
| Northwest Natural Holding Company |
NWN |
| Novartis AG (ADR) |
NVS |
| Novo Nordisk A/S (ADR) |
NVO |
| ONE Gas, Inc. |
OGS |
| Otis Worldwide Corporation |
OTIS |
| Otter Tail Corporation |
OTTR |
| Packaging Corporation of America |
PKG |
| Paychex, Inc. |
PAYX |
| PepsiCo, Inc. |
PEP |
| Pfizer Inc. |
PFE |
| Philip Morris International Inc. |
PM |
| Pool Corporation |
POOL |
| PPG Industries, Inc. |
PPG |
| Premier, Inc. (Class A) |
PINC |
| Public Service Enterprise Group Incorporated |
PEG |
| Public Storage |
PSA |
| Quest Diagnostics Incorporated |
DGX |
| Reynolds Consumer Products Inc. |
REYN |
| Robert Half Inc. |
RHI |
| Rogers Communications Inc. (Class B) |
RCI |
| Royal Bank of Canada |
RY |
| RTX Corporation |
RTX |
| Sanofi (ADR) |
SNY |
| SEI Investments Company |
SEIC |
| Selective Insurance Group, Inc. |
SIGI |
| Sempra |
SRE |
| Sensient Technologies Corporation |
SXT |
| Silgan Holdings Inc. |
SLGN |
| Snap-on Incorporated |
SNA |
| Sonoco Products Company |
SON |
| Southwest Gas Holdings, Inc. |
SWX |
| Spire Inc. |
SR |
| Starbucks Corporation |
SBUX |
| Stepan Company |
SCL |
| Sun Life Financial Inc. |
SLF |
| T. Rowe Price Group, Inc. |
TROW |
| TE Connectivity Ltd. |
TEL |
| TELUS Corporation |
TU |
| Texas Instruments Incorporated |
TXN |
| The Allstate Corporation |
ALL |
| The Bank of New York Mellon Corporation |
BK |
| The Bank of Nova Scotia |
BNS |
| The Clorox Company |
CLX |
| The Coca-Cola Company |
KO |
| The Goldman Sachs Group, Inc. |
GS |
| The Hanover Insurance Group, Inc. |
THG |
| The Hershey Company |
HSY |
| The Home Depot, Inc. |
HD |
| The J.M. Smucker Company |
SJM |
| The Kroger Co. |
KR |
| The Procter & Gamble Company |
PG |
| The Southern Company |
SO |
| The Toronto-Dominion Bank |
TD |
| The Travelers Companies, Inc. |
TRV |
| Thomson Reuters Corporation |
TRI |
| T-Mobile US, Inc. |
TMUS |
| Tootsie Roll Industries, Inc. |
TR |
| Toyota Motor Corporation |
TM |
| Tractor Supply Company |
TSCO |
| Unilever Plc (ADR) |
UL |
| Union Pacific Corporation |
UNP |
| United Parcel Service, Inc. (Class B) |
UPS |
| UnitedHealth Group Incorporated |
UNH |
| Universal Corporation |
UVV |
| Verizon Communications Inc. |
VZ |
| Waste Management, Inc. |
WM |
| Watsco, Inc. |
WSO |
| WD-40 Company |
WDFC |
| WEC Energy Group, Inc. |
WEC |
| Werner Enterprises, Inc. |
WERN |
| Willis Towers Watson Plc |
WTW |
| Xcel Energy Inc. |
XEL |
| Yum! Brands, Inc. |
YUM |