Standard Trucking Charlotte, NC MC-039973 DoT MC-039973 Became a subsidiary of Sun Carriers in 1993.
Profiled in Mike Terebecki's The Trucking Pioneers Book VIII (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.
