Vendors not Responding?

First off, I would like to say that I am not a first time bride. I was married young and divorced within 5 years. That’s a long story for another time. That said, I’m certain the majority of my anxiety stems from the complete and utter disaster that was my first wedding. Nothing went right. No matter how much I planned, I felt like I was doing everything myself and I just couldn’t do it all. This time around, I set a long engagement to give myself time to prepare better and I’ve been trying to allow other people to help me. Last time I tried to DIY everything— because I’m a control freak and also because I was young and just starting out. I didn’t have a bunch of disposable income to throw at a wedding. This time I’ve been trying to hire vendors I can trust to take care of things that I would normally obsess over myself. BUT... I am seriously struggling to get some of them to respond to me. I was wondering if it’s because the wedding is still 14 months away? We set a date for May 4th, 2019. I figured hiring vendors now and getting them paid off before the wedding was so much smarter than waiting until the last minute. I feel like I haven’t been made a priority and I’ve been pushed to the back burner and left to be dealt with closer to the time of the wedding. Is this normal? Am I overreacting?