System 99 Oakland, CA MC-098327 DoT 138169 System 99 was a merger of Interlines and Blankenship Motor Freight. Ceased operations 1987
10-4 - The Glory Days Profiled in Mike Terebecki's The Trucking Pioneers Book VI (click image to see Book index)
Patches
If you want your own trucking company memoribilia: Items available on eBay
Note that patches sold by "freedomfifty2k" and "bob82ndabn325inf"are likely promo/replica patches, not patches actually used by the company represented.
