CNN:
《The history and future of ice cream》
In several major cities across the globe, by tapping into its existing network of freezers and retailers and restaurants, Unilever claims it can have ice
cream on customer's doorsteps in 30 minutes.
Unilever first piloted its ice cream now service back in 2016, but it isn't the only company to have tried ice cream on demand.
the only company to have tried ice cream 不知道这里为何用不定式完成时作company的定语？我想不通，我感觉应该是the only company having tried ice cream 用目前分词完成时作后置定语不可以吗？
麻烦老师解析！ 很感谢！