Reconmendation for enclosure

I am looking on upgrading my current brewblox setup and adding a second fermenter to my current setup. I initially built an enclosure for relays and outlets that they feed. I am not completely satisfied with it though. What are some recommendations to build a new enclosure. I would like one input power cord that will pass through and power the Pi/Photon, as well as a glycol chiller, and then split off and feed the relay for 2 small fermentation wrap heaters as well as 2 submersible pumps for the glycol. Also, I need to add another output from the brewpi enclousure, and I can’t find the other green terminals. What kind are they?