All materials were ordered and purchased (with delivery and pick ups coordinated) through me along with all contractor payments.

This has a lot to do with the proximity of the hospitals along with the some of the big companies headquartered downtown. 

I also was reading that there are unrecorded liens that title companies do not research, how would I research these unrecorded liens? 

I fail to see how you're going to know the complete picture of a companies business structure, maybe they'll show you their books?

so i had talked to a client of mine ( from a different business ) regarding building credit for a new LLC, he has built great wealth and i am always looking for knowledge in business, after listening to me state my plans this is what he said..... after you setup your LLC, get your EIN , get your D&b ( Dun & Bradstreet number ) so that you establish a business credit file for your company.

Research companies such as HomeRoom and PadSplit for further insight.

This year we are purchasing about 3,000 leads per month and skip tracing all of them so we have narrowed it down to a few companies we feel comfortable referring. 

Multiple, billion dollar companies are investing substantial amounts of money into our area, such as Intel, Google, and Amazon.

You're in good company.

In other words, a company looking for qualified investors gives referral fees, but a nonrealtor knows some qualifed investors who may be interested and wants to know if there is an agreement for that.I believe there is a name for that, and are there examples?