Delta Lines
Oakland, AR
MC-056640 DoT 147864
Purchased by McLean. They all closed up in January 1986
Profiled in Mike Terebecki's The Trucking Pioneers Book IV (click image to see Book index)
Acquisitions
Patches of it that are in my project - Facebook Trucking Industry Insignia Patches
Other known 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.