The phrase "a diverse base" is correct and usable in written English.
It can be used to describe a group or foundation that includes a variety of different elements, such as people, ideas, or resources.
Example: "The organization prides itself on having a diverse base of supporters from various backgrounds and cultures."
Alternatives: "a varied foundation" or "a heterogeneous group".
"We have newspaper clients from Bangor, Me., to Seattle, and we cannot always serve the editorial needs of such a diverse base of newspapers," Mr. Salem said.
Investors in traditional municipal bonds are paid from tax revenue, a diverse base that can be increased by governments if shortfalls arise.
"When pitching for equity underwriting business, it's useful to be able to point to a diverse base of potential buyers," said Guy Moszkowski, an analyst at Salomon Smith Barney.
Before 1900 a diverse base of agriculture, lumbering, mining, and manufacturing activities had propelled the state's economy; throughout much of the 20th century, however, the economy was dominated by the automotive industry.
GeoEye provides imagery services to defense and intelligence organizations, federal and state agencies, humanitarian aid groups and a diverse base of commercial customers around the globe.
A spokeswoman commented: "Scotland is home to a wealth of ambitious companies, and small and medium enterprises are the bedrock of our economy - accounting for around 99% of enterprises and 54% of private sector jobs - and establishing a diverse base is vital to making our economy more resilient.
The goal is to attract a more diverse base of advertising to pull The Journal out of its prolonged slump.
"I would much prefer a varied diverse base of donors, some could be large, some could be long-term friends, who help in finding new friends.
Mr. Machnouk says he is trying to set up a political organization that will be secular in outlook and draw support from a religiously diverse base.
And we have a very diverse base of advertising even within our makeup.
"We have an extraordinarily diverse base of customers and an extraordinarily diverse base of associates".
