From Halopedia, the Halo wiki
Tecnniqe Electronics is a human company operational during 2552 that produces electronic components. Its products are advertised throughout New Mombasa, and they can be purchased at the Oh2-Hnzu stores in Old Mombasa. Technnique Electronics trucks are painted pale green.
Several different spellings of the company's name occur in Halo fiction. In multiple ads seen around the hub level Mombasa Streets in Halo 3: ODST, the name is spelled "Tecnniqe". However, in one of the large doors in the level Kikowani Station, the name is spelled "Technnique". Additionally, in the Halo: Evolutions story Palace Hotel, the name is spelled "Technique".
List of appearances