add subheadings for countries in North America
diff --git a/GoUserGroups.md b/GoUserGroups.md
index c6e3d37..b0b209a 100644
--- a/GoUserGroups.md
+++ b/GoUserGroups.md
@@ -38,13 +38,19 @@
# North America
+## Canada
+
* [Edmonton Go Meetup](http://edmontongo.org/) - Edmonton AB, Canada.
* [vangophers](http://groups.google.com/group/vangophers) - Vancouver BC, Canada.
* [Go Vancouver](https://plus.google.com/u/0/communities/106063002572645508555) - Vancouver BC, Canada.
* [GoTO](http://www.meetup.com/go-toronto) - Toronto ON, Canada.
+## Mexico
+
* [golangmx](http://golang.mx/) - Mexico City, Mexico.
+## United States
+
* [Los-Angeles-Gophers](http://www.meetup.com/Los-Angeles-Gophers/) - Los Angeles CA, USA.
* [Golang Mountain View](http://www.meetup.com/Golang-Mountain-View/) - Mountain View CA, USA.
* [OC Gophers](http://www.meetup.com/Orange-County-Gophers) - Orange County CA, USA.
