Not all the companies in the area joined the new company.

The 2 companies have joined forces to lead the development of the project.

But this is the first time that a foreign company has joined in the call.

Companies, too, are joining religious and community groups to serve those in need.

So far, 58 companies have joined the foundation, she added.

North American companies, though, are still joining mainly with each other.

Sometimes two or more companies join in a video promotion.

The two companies have previously joined forces to serve several large customers.

Japanese companies joined in the development of global technical standards.

This example demonstrates how two companies can join forces to follow a new market opportunity.