Groendyke Transport, Inc.. Enid, OK MC-111401 DoT 4247
Company Website
FMCSA Company Snapshot
Facebook - Groendyke Transport, Inc.
Wikipedia - Groendyke Transport
Youtube - Groendyke Transport
After 80-plus years, Groendyke Transport keeps truckin’
Patches of it that are in my project - Facebook Trucking Industry Insignia Patches
Other known patches
If you want your own trucking company memoribilia for this company:
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.