Who is 1st united door technologies? 1st UNITED DOOR TECHNOLOGIES, LLC, founded in 2000, is a garage door manufacturer based in Tempe, Arizona with 5 distribution centers located throughout Arizona, California and Utah, with additional locations planned.How do i get a 1st udt door for my home? Simply upload a photo of your garage door then select a quality designed 1st UDT Door from the photo gallery to see how it will look on your home. Our Steelhouse™ Doors are the cornerstone of 1st UDT's product line. Steelhouse delivers the traditional look and design of the original carriage door at half the cost and half the weight of a wood door.How do i contact first united? Contact us any way you prefer - by phone, fax, email or written correspondence. Since we know that privacy and security is important to you, safeguarding your information is First United's number one priority. For security reasons, we will not be able to assist you with sensitive information via email.Where is the first united bank trust customer service center? First United Bank & Trust Attn: Customer Service Center 12892 Garrett Highway Oakland, MD 21550