- December 2017 – Doonan Profit Newsletter [B-Trains]
- November 2017 – Doonan Profit Newsletter [Heavy Duty Multi-Axle Trailers]
- September 2017 – Doonan Profit Newsletter [Heavy Duty Hydraulic Removable Gooseneck Trailer]
- August 2017 – Doonan Profit Newsletter [Rising to the Challenge - For Specialized Boat Trailers]
- July 2017 – Doonan Profit Newsletter [All Aluminum Dovetail]
- June 2017 – Doonan Profit Newsletter [Doonan Flats at Affordable Prices]
- May 2017 – Doonan Profit Newsletter [Getting Creative to Make the Sale]
- April 2017 – Doonan Profit Newsletter [Upselling]
- March 2017 – Doonan Profit Newsletter [Platinum Double Drop RGN]
- February 2017 – Doonan Profit Newsletter [Chaparral Reaches Key 5-Year Anniversary]
- January 2017 – Doonan Profit Newsletter [Heavy-Duty Pintle Hitch Flatbed]
- December 2016 – Doonan Profit Newsletter [NewDoonanTrailersForSale Site]
- November 2016 – Doonan Profit Newsletter [New Plant Means New Opportunities]
- October 2016 – Doonan Profit Newsletter [Chaparral II™ Flatbed Liftgate Trailer]
- September 2016 – Doonan Profit Newsletter [Series 2 Trough Coil Hauler]
- August 2016 – Doonan Profit Newsletter [Drop Deck Plat. Dovetail]
- July 2016 – Doonan Profit Newsletter [Plat. Flatbed Forklift]
- June 2016 – Doonan Profit Newsletter [Plat. Forklift Well]
- May 2016 – Doonan Profit Newsletter [Double Drop]
- April 2016 – Doonan Profit Newsletter [Coil Hauler-MATS]
- March 2016 – Doonan Profit Newsletter [Chap II]
- February 2016 – Doonan Profit Newsletter [RGN]
- January 2016 – Doonan Profit Newsletter [Tank Trailer]
- December 2015 – Doonan Profit Newsletter [Mini Double Drop]
- November 2015 – Doonan Profit Newsletter [Boat Trailer]
- October 2015 – Doonan Profit Newsletter [Plat. Narrow Neck]
- September 2015 – Doonan Profit Newsletter [Coil Hauler]