metal building

Hi - I'm looking for something like an Eagle Carports or Carolina Carports for the PNW region. Full service metal building where they ship & then construct the building. Not a DIY project. So far, I haven't seen anything like it that services the Pacific Northwest area. Any ideas?

Looking to buy one and do the work myself. Cost is a main concern and I know the differences, seems the companies are all biased depending what they sell. Leaning towards pole barn because you can pour concrete later if desired. Only issue I have is the space the trusses take up. I have had...