Added backers that requested to join

Added Ecogenesis Biopolymers, OpenSpool, Cosmyx, and Distrifab to backers list

OpenSourceRfid.md

@@ -19,7 +19,13 @@ We want to make a standard that is simple to implement and as future-proof as po
 
 # Backers
 These are companies that are implementing Open 3D-RFID into their printers, filament, add-ons, etc.  If you would like to join this list, please open an Issue on GitHub.
-* [Polar Filament](https://polarfilament.com)
+* Filament Manufacturers:
+  * [Polar Filament](https://polarfilament.com)
+  * [Ecogenesis Biopolymers](https://ecogenesisbiopolymers.com)
+* Printers + Hardware:
+  * [OpenSpool](https://www.youtube.com/watch?v=ah7dm-dtQ5w) ([GitHub Source](https://github.com/spuder/OpenSpool))
+  * [Cosmyx](https://www.cosmyx3d.com/)
+  * [Distrifab](https://distrifab.fr/)
 
 # Why RFID?
 What is the benefit of adding RFID chips to filament?
@@ -134,4 +140,4 @@ This is additional data that not all manufacturers will implement. These fields
 
 
 ## Memory Map
-A list of where each datapoint lives in memory, sorted into sectors and blocks.  This will be generated after the [Data Points](#data-points) section has been mostly finalized.
+A list of where each datapoint lives in memory, sorted into sectors and blocks.  This will be generated after the [Data Points](#data-points) section has been mostly finalized.