Wikipedia's list of oldest companies Japan holds the top six slots, with the eldest dating back to the birth of Islam, it's that old. #link 2015.10.11 @ 10:40 // Aux // You were reading Wikipedia’s list of oldest companies, a link posted with comment by MacDara Conroy. It is filed under Aux and was published in October 2015. If you liked what you read here, you can follow this site on Twitter @MacDaraBlogs or via reader feed, and find many more entries in the Archive. You can also buy me a Ko-fi.