diff --git a/_data/exchanges.yml b/_data/exchanges.yml
index 3c05087..b032db9 100644
--- a/_data/exchanges.yml
+++ b/_data/exchanges.yml
@@ -306,3 +306,10 @@
   fees: N/A
   image: BitBay.jpg
   url: https://www.bitbay.net
+
+- name: Byte-federal
+  trading_pairs: BTC
+  fees: N/A
+  image: bytefederal.jpg
+  url: http://bytefederal.com
+
diff --git a/_data/merchants-design.yml b/_data/merchants-design.yml
index bc673a6..a38092c 100644
--- a/_data/merchants-design.yml
+++ b/_data/merchants-design.yml
@@ -30,3 +30,8 @@
   title: 360 Visual Tours
   url: https://www.philpeterman.net
   image: Centerless.jpg
+
+- name: Serge Gree
+  title: Photography
+  url: http://sergegree.com
+  image: sergegree.jpg
diff --git a/_data/merchants-stores.yml b/_data/merchants-stores.yml
index 605b7cd..04acd6e 100644
--- a/_data/merchants-stores.yml
+++ b/_data/merchants-stores.yml
@@ -183,3 +183,8 @@
   title:  Online store
   url: http://fudmartng.com/
   image: FudMartng.jpg
+
+- name: Meci group
+  title:  Meci group
+  url: http://www.meci-group.com/membership/
+  image: meci.jpg
diff --git a/assets/img/exchanges/bytefederal.jpg b/assets/img/exchanges/bytefederal.jpg
new file mode 100644
index 0000000..9a057de
Binary files /dev/null and b/assets/img/exchanges/bytefederal.jpg differ
diff --git a/assets/img/merchants/meci.jpg b/assets/img/merchants/meci.jpg
new file mode 100644
index 0000000..5546c41
Binary files /dev/null and b/assets/img/merchants/meci.jpg differ
diff --git a/assets/img/merchants/sergegree.jpg b/assets/img/merchants/sergegree.jpg
new file mode 100644
index 0000000..af67333
Binary files /dev/null and b/assets/img/merchants/sergegree.jpg differ