From the mid-1980s, CTO! has featured articles of wide-ranging Petroliana interest such as histories of oil companies, the memorabilia and artifacts associated with them, readers collections, a calendar of Petroliana events and coverage, related commercial advertising, and much more!!

Subscribers gain access to free classified ads on the website where one can buy, sell and trade for collectible items.

Our annual show in June known as the Big Friendly is an event you will not want to miss.

Not just another newsletter, CTO! is a high-quality, FULL-COLOR magazine featuring photographs, noted regular columnists and is published quarterly. "CTO!" is now bigger...we've added even more color pages!