The phrase "a massive organization" is correct and usable in written English.
It can be used to describe a large and complex entity, typically in the context of businesses, institutions, or groups.
Example: "The charity is a massive organization that operates in multiple countries and employs thousands of people."
Alternatives: "a large organization" or "a huge organization".
"You have to remember that the B.O.J. is a massive organization.
Clinton has built a massive organization in pursuit of the presidency, with 705 staff members on the payroll last month.
As we were waiting in the lobby, I suggested the following to my colleagues: "Mr. Taylor is a busy man running a massive organization.
"My task is nothing short of changing the culture of a massive organization, and I am just getting started," Mr. Levy said.
Solis Doyle built a massive organization with more than 1,000 people on the payroll virtually overnight, and she was popular with a lot of colleagues.
GE is a massive organization.
Tomorrow I'll address the things Foxconn does for clients and, finally, we'll look at the future of Foxconn as a sales channel and how this massive organization – an organization that can process 40 tons of vegetables on a single day – is trying to save itself.
Even with majority support, a new initiative will require massive organization and tens of millions of dollars -- a financial and political burden that a historically disadvantaged minority group should not have to shoulder simply to pursue equal rights.
The company's vice president of sustainability strategy, Dirk Voeste, explains the step-by-step process that BASF undertook to produce a company-wide shift in this massive organization's mindset.
But Kane isn't the permanent director, and finding someone to head the massive organization has been a challenge.
Rather than try to cure malaria or fix the U.S. public school system, he's turned his arts and crafts empire into a massive missionary organization, the equivalent of the largest church bake sale in the world.
