The companies that market themselves as "garage door companies" (residential) also almost always do commercial stuff as well, such as what you are looking at.

In New Hampshire, title laws are strict, so we couldn’t move forward without obtaining a signature from a living heir.The title company dug deep and eventually located a distant relative—a niece of the deceased owner, two generations removed.

Mississippi is pretty small not a lot but start with DR Horton, Lennar, etc. most companies are after large growth cities though. not sure about Jackson 

I a new investor  who self-manages my property and need some advice.Currently, when there are plumbing issues, I have a plumbing company come to the house and I have to meet them there.

That said, here is how I would proceed...For some background, I used to run an STR management company in SATX and we peaked at about 35 properties under management. 

Plus, there's huge appreciation potential here since there's so many companies moving/developing here (Intel headquarters, Amazon, FB, Google, Nationwide, and recently Anduril).

Quote from @Garrett Brown: Thank you, it is from a company called OOD for the mirror house and then everything else we build around it.

Or suggestions for other companies that provide a similar service?

That’s something I’m still fine-tuning as I explore new areas.As for scaling up, my focus right now is on leveraging tax-efficient strategies and building a system of limited liability companies (LLCs) to keep risk compartmentalized.

So many population/job growth/companies moving and developing here - Intel headquarters, Google, FB, Amazon, Nationwide, Honda, Anduril etc.