The Decker Companies Fort Dodge, IA MC-59367 DoT 53824
Company Website
FMCSA Company Snapshot
Facebook - Decker Truck Line, Inc.
Wikipedia
Freightwaves Haul of Fame
Youtube - Decker Truck Line
Those Who Deliver with Decker Truck Line
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.