diff --git a/README.md b/README.md
index 543a19e1..d67a942d 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ Continu | https://www.continu.co/ |
 Core-Apps | http://www.core-apps.com/ | USA
 CoreOS | https://coreos.com/ |
 [Corgibytes](/company-profiles/corgibytes.md) | http://corgibytes.com | US East Coast
+Costumer | https://customer.io |
 [Crew](/company-profiles/crew.md) | https://crew.co | Worldwide
 Crossover | https://www.crossover.com | Worldwide
 Datadog | http://www.datadoghq.com | Worldwide (offices in NY, Boston, Paris and many remote around the world)