diff --git a/bin/sort-orgs.rb b/bin/sort-orgs.rb
new file mode 100755
index 0000000..674b243
--- /dev/null
+++ b/bin/sort-orgs.rb
@@ -0,0 +1,32 @@
+#!/usr/bin/ruby
+
+# Replaces the organizations.yml file with its data sorted by name, case insensitively.
+# Before overwriting the file, tests that the unsorted and sorted data,
+# converted to sets, are equal.
+
+require 'set'
+require 'yaml'
+
+def test(unsorted, sorted)
+  if Set.new(unsorted) != Set.new(sorted)
+    raise "Sort corrupted the data."
+  end
+end
+
+def sort_orgs_case_insensitively(orgs)
+  orgs.sort { |org1, org2| org1['name'].casecmp(org2['name']) }
+end
+
+def filespec
+  ARGV[0] || 'organizations.yml'
+end
+
+
+orgs = YAML.load_file(filespec)
+sorted_orgs = sort_orgs_case_insensitively(orgs)
+
+# Enable this line to verify that the test that tests for data corruption works:
+# sorted_orgs.pop 
+
+test(orgs, sorted_orgs)
+File.write(filespec, sorted_orgs.to_yaml)