From The Stargate Omnipedia
Private aeronautics firm with access to particular bits of information related to the top-secret F-302 program. The company may have had ties to Colson Industries prior to its bankruptcy.
When Bryce Ferguson went on disability Zephyr hired him as a consultant. It was through this connection that Cameron Mitchell's old friend gained information about leads he believed pertained to top-secret projects -- such as the rumored creation of interstellar battle cruisers.
Stronghold - Ferguson tells Mitchell about Zephyr and the information he was able to leak from it concerning possible top-secret operations.