With our structure, the development company owns about 45% of the equity when complete, and I own 50% of our company.So it will be about 22%

Some transport companies have house kats that can get off the road and onto the site for an additional charge or you can hire a third party if the access from the road is limited.  

Those companies you asked about are more for deal finding and direct contact to off-market sellers, is that what you are looking for? 

We had a client that bought in Port huron and then ended up selling their property because they went through 3 PMCs and gave up trying to find a great one:(Some copy and paste advice below:--------------------------------------------------------------------------------------------------------Recommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

My goal is for the foundation of my company to be solid and to grow properly.

You'll need to roll it over to a custodian (a company that holds and administers the IRA).

The average company only survives for ten years, while even large companies typically last just 18 years.

Does anyone have a service or company they'd recommend for this?

The more you pay down the more you own the asset like buying stock in a company, BUT your property COULD go down in value!

After the invoice was disregarded I decided I might try just using a rental management company.