Scherer Freight Lines Inc
Ottawa, IL
MC-021571 DoT unknown
Acquired by Associated Transport 1967
Profiled in Mike Terebecki's The Trucking Pioneers Book VI (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.