"many company" is correct and usable in written English.
It is usually used in the sense of "many companies", e.g. "Over the years, many company have come and gone."
Today many company employees are shareholders through their pension schemes.
Describes how he "forgave" many company loans to himself.
(To begin with, many company shares are still not trading).
Mr. Schunker led many company marketing efforts like its annual Super Bowl campaigns.
Many company computers can already work with applications that run on a central server.
Nor do many company liquidators have royal jets on their doorstep waiting to be impounded.
According to many company bosses, this makes them both expert and flexible.
He was also among the many company executives who had been sued by shareholders.
Amtrak.com does a fairly good job of satisfying the needs of train travelers, and is better than many company-specific travel sites.
Besides looking into whether Schering-Plough paidoctorsrs large sums to prescribe the company's drug for hepatitis C, prosecutors are investigating whether many company-sponsored clinical trials for the drug were simply another way to funnel money to doctors.
Under a plan recommended to Bush, the private accounts would resemble many company-sponsored retirement plans, with just a handful of investment options.
