EMG

EMG is a human company that manufactures electrical devices such as the EMG 2401. Products of this company were present in the UNSC military base Crow's Nest and the Quito Space Tether, among others.

Trivia

 * The number 2401 is a 7 reference: 2+4+0+1=7. Another reference could be 2401 = 7^4.
 * 2401 is also the number of the Monitor of Installation 05, 2401 Penitent Tangent.