With all the talk about Dell going private so it can revamp itself without Wall Street on its back, we got curious.
Who are the biggest private enterprise companies? Better yet, who are the biggest private companies under the radar?
So we looked around. We examined at our own Digital 100 list of the most valuable private tech companies in the world. We scanned through the Forbes list of America's Largest Private Companies. We looked at the Inc. 500 and the Silicon Valley Business Journal's lists, too. (All used estimated revenue for 2011, the latest full-year data available.)
World Wide Technology: $4.1 billion
World Wide Technology: $4.1 billion in estimated revenue
Headquarters: St Louis, MO
CEO: James Kavanaugh
WWT is a "systems integrator" which means tech consultant that helps companies roll out big enterprise projects like VMware software, secure networks, Bring Your Own Device software.
It's home to about 1,800 employees and was named one of the 100 best companies to work for thanks to generous profit sharing.
SHI International: $4.5 Billion
SHI International: $4.5 billion in estimated revenue
Headquarters: Somerset, N.J.
CEO: Thai Lee
SHI International (formerly known as Software House International) is an online marketplace where enterprises can buy tech like computers, printers, servers and so on. It also sells consulting services and cloud computing.
At $4.5 billion in revenue (according to a company's spokesperson) and with over 2,000 employees, SHI is the one of the largest minority and woman-run tech businesses in the nation.
Infor: $2.8 billion
Infor: about $2.8 billion in estimated revenue
Headquarters: New York
CEO: Charles Philips
Infor is has quietly become a huge enterprise app company, with around $3 billion in sales and an estimated valuation of $16.1 billion.
It's CEO knows software. He is ex-Oracle president Charles Philips. One of the reasons Infor stays under the radar is that it has grown by acquisitions, so it's like a collection of smaller software companies. Each of them serve very specific business niches, like dairies or footwear companies.
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