The RGM-89G Jegan Ground Type A was a ground combat mobile suit mass produced by Anaheim Electronics for the Earth Federation.
Anaheim Electronics was a private civilian corporation that produced military equipment for military factions regardless who they sided with in the war.
The Principality of Zeon mecha in Mobile Suit Gundam outnumbered the Earth Federation, partly because they were the first to develop mobile suits.
The RX-104FF Penelope was a prototype transformable mobile suit mass produced by Anaheim Electronics for the Earth Federation.
The RX-105 Ξ Gundam (Xi Gundam) was a commander type heavy mobile suit mass produced by Anaheim Electronics for the anti-Earth Federation military group Mafty.