Great Lakes Advantages as a data center.  These things CAN NOT be done anywhere else country wide.  
Currently to get direct data center access to companies on same carrier data centers are going into every major city/bussiness area.  Great Lakes is the ONLY place in the United States that can get direct dedicated fast access to almost all locations in the country from one location.
A.  Large multi state manufacturing businesses.  
Can connect each factory with same carrier direct liner to Great Lakes, making it possible to connect all locations to one server with extremely fast connections.  This can make it possible to combine all accounting instantly with consolidated statements up to the minute. No longer need for 7 data centers for 6 factories and 1 office, now only 1 server data center needed.
1.  Major advantage making it possible to charge double more for data service as that is only a small fraction of the money saved on server administration.
No major accounting/system administrators department needed to sinc data between servers monthly.  This cost depending on size of company is hundreds of thousands to multi millions a year.  100's of times higher cost than direct line internet connections.   
2.  Needed for fast access to manufacturing plants in all states.  A fast direct line is an absolute essential to run new machinery running live from the data center.   Direct fast access from almost all plants and office locations , possible at Great Lakes.   Inventories can all be on same server.  EVERY major company with multiple manufacturing/distributing locations would want this and would locate at Great Lakes.
a. Profit picture.  1,000 companies $100,000 month $1,200,000 year.  Total for 1,000 companies $1,200,000,000.
Company with 5 factories and a home office, currently has 6 datacenter servers.  Consolidation results in lower cost to supply fewer servers but can be billed at double the previous price due to the many advantages.  The billing cost doubles while the cost to provide becomes half.  If priced at same price instead of overhead of 80%, overhead becomes 40% with profit now is 60%.  Double the billing price results in a profit margin of 160%.  Payback on data center investment in about 8 months.
Every corporation with multiple manufacturing locations will want this service.
***
B.  Major Stock Traders and Day Traders.
Major Stock Traders locate near the stock exchange with direct line access to gain a few millionth of a second in speed.  Most major companies and day traders get access over regular internet at speeds of hundreds of milliseconds.   Great Lakes can supply a direct line from almost any major company or stock day trader to the Stock trading location at speeds of tens of milliseconds rather than thousans. 
3.  Fast stock trading resulting in additional profits or reduced losses per month of tens of thosands to tens of millions of dollars per month, depending size of trader.   The ability to trade sooner means the trader will profit more as he can get into a rising market fast and get out of a falling market faster.  This will become a must have for all major traders.
b. Profit picture.  2000 traders at $10,000 monthy $120,000 yearly is $240,000,000 yearly in profits over standard costs/income.
Every major stock trader will want this service.
***
C.   Sales Websites.   Speed is extremely important. at 3 Seconds 90% of people don't buy and typically never return.  Major websites are all over 2 seconds. 
4.  For a direct control no 3rd party CDN to give the fultimate fastest speeds.   Install end points at the standard 12 to 48 points accross the USA.  Install ultra fast servers and cut the delivery speed by 1/2 second for a 15% increase in sales.  At the end points instead of servers just install a server forward machine over a fast direct wire.   Additional optic line cost offset by no need for end servers.  Even if data transmission results in slightly higher cost, it will be offest by increased sales/profits which will be many many times larger.
The 15% sales increase(3% per each 1/10 second speed reduction) would make this the new norm as the best pace to host over all others.   A billing rate increase of 3% of a websites sales would gladly be paid by websites.  This profit picture is too large to quantify.   
c. Internet sales in US at $1 trillion a year at 15% sales increase is $150 billion.  Even a small percent of this is huge.  Every major sales website will want to host here at faster speeds.  With faster speeds they not only will make more profit but they will become more market dominate.
Notes:  Currently major websites and many smaller use end Content Delivery Networks(CDN's).  CDN's have become the standard, what is sometimes overlooked is that after the business office goes home consumers watch high bandwith TV and access the internet to shop slowing down the internet CDN's.  A few years back I loaded a picture heavy furniture site hoasted on a CDN and it took 45 seconds to load in evening next day worked regular at 3 to 5 seconds.  Sales websites use CDN's but are not pure CDN's as live data is needed for inventory and pricing.   
Every sales website will want this service.
***
D.  Social Media   Is just like retail sales only the social media company always gets paid when the ad is displayed AND the ad income is total income as there is no cost to buy the ad, pure profit.
5.  Speed is ulta important for a social media site.  It takes action to hold the user.  Using direct lines to endpoint server switches instead of CDN's will increase the speed, user enjoyment will rise and so will length of stay.  Displaying an ad every 1.5 seconds instead of 2 seconds increases the ads displayed by 33% the faster site will increase the length of stay by 17% resulting in a 50% profit increase.   The greatest benifit is the social media company will increase its market share with its faster speed and better user satisfaction.
d.  In 2022 the current ad spend on social media is $130 billion.  A 50% increase will result in a $65 billion ad profit increase.  To charge the social media company 5 to 10 percent of this profit increase is a rate any company would gladly pay to increase their profits 50%. 
Every social media company will want this service.
***
All this is possible only at Great Lakes as it is the only location in the US with fiber optic lines of every major fiber optic company in the US.  This makes it possible to connect with direct fiber optic line to almost anywere in the US with only ONE internet fiber company.  And for every fiber optic lines cable available at Great Lakes there are really two fiber optic lines cables, as the line goes both East and West.  Making true redundancy if a company wants dual connections with the same carrier.
Almost all the East Coast fiber optic lines follow the railroad next to Great Lakes.   Just after some split off North to Detroit and Michigan and South to Columbus and Ohio.   Then at Hammond Indiana they branch many ways about a 1/3 go downtown Chicago and North to Wisconsin and about a 1/3 go below Chicago to the West, some to Southwest.  
***
If the right people find out about this building there will be a huge fight over who gets it.