Overall ARML website:
https://www.arml.com/ARML/arml_2019/page/index.php
(includes ARML local and ARML Power contest info)

AL
Alabama ARML:
https://xinkeguoxue.com/alabama-arml/

CO
Colorado Math Circle ARML
http://www.coloradomath.org/arml.htm

CT
Connecticut:
https://www.fcmath.org/connecticut-arml-team/

Florida
https://flsam.org/

IL
Chicago:
https://chicagoarml.org/

Lexington High School (in MA)
https://www.lhsmath.org/Home.php

CA
Orange County:
https://www.steamforall.org/oc-arml-team

MN
Minnesota
https://0islessthan1.com/?page_id=98
https://mnmathleague.org/?page_id=53

MD
Bonnie Branch Math Circle
mathclub.meng@gmail.com

San Diego Math Circle
https://www.sdmathcircle.org/events/arml
(Not recently updated, try to find their email instead)

https://www.sdmathcircle.org/home/contacts

Socal 1:
https://www.csulb.edu/mathematics-statistics/southern-california-arml

Socal 2:
https://home.csulb.edu/~okoroste/socalarml.html

SFBA/Norcal:
https://mathleague.org/armlsfba.php

NY
NYC New York City:
https://www.nycmathteam.org/

NYSML info:
https://nysml.com/

PA:

Lehigh Valley:
https://www.lehigh.edu/~dmd1/arml.html
armlwacoach@gmail.com

Western PA:
https://www.math.cmu.edu/~cargue/arml/

TX
Texas ARML:
http://edwarde.create.stedwards.edu/ARML.html

VA
Northern Virginia:
competitivemathllc@yahoo.com

NJ
WWP^2 West Windsor Plainsboro
https://sites.google.com/view/phsmathteam/wwp2-arml

Washington State (WA):
armlwacoach@gmail.com
Coaches: Arpit Ranasaria + Jeff Soesbe

Central Jersey:
http://uzza.us/cjml/cjml.html

Wild Wild West:
(Arizona, Idaho, Montana, Nebraska, Nevada, New Mexico, North Dakota, South Dakota, and Wyoming)
https://mathleague.org/armlwww.php

List of Team Names from 2021 (Team Names with multiplicities greater than 1 were deleted)
Division A:
Bergen County Academies
Bonnie Branch Math Circle Delta
Central Jersey
Chicago
Eastern Massachusetts
Florida (FLSAM)
Georgia
Lehigh Valley
Lexington
Michigan All-Stars
Minnesota
Montgomery County
North Carolina
NYC Math Team
OC ARML
Ohio
Oregon ARML
Phillips Academy
San Diego
SFBA/NorCal
Texas
Thomas Jefferson HS for Science & Technology
Western Pennsylvania
WWP^2

Division B
Alabama
Colorado
Connecticut
Fairfax County
Howard County Public Schools
Indiana ARML
Iowa
Kansas ARML Team
Las Vegas Math Circle
Marc Garneau Collegiate Institute
Missouri
New Hampshire
Northern Nevada Math Club
RVMG – Newton
Sammamish High School
South Carolina
Southern California ARML
Tidewater Math Circle
University of Toronto Schools
Upstate New York
Utah
Vermont Math All Stars
Washington ARML
Westchester Area Math Circle
Western Mass ARML
Wild Wild West
York University Math Circle
Nassau County