Hi David, Not sure why the mail keeps coming back. Our mailing address is: 38221 Mound Rd Building G, Sterling Heights, MI 48310. I can also assure you, we are not out of business. Unfortunately we are having the same issues as you when it comes to returned mail...hope the post office fixes this issue. If you have any questions or concerns, please feel free to reach out. 248-518-0773
I don't work for Envision. I did business via phone & email. You can call them to see if their mailing address has changed.
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