collaborate *
join forces
cooperate **
get together *

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

It was probably taken the day he joined the force.

A night to remember what they were and join forces.

It's possible he joined forces with the people who are after you.

Now they have joined forces and built a business of their own.

Did you ever join forces with any other Companies for training?

Why should they join forces when no one else was doing so?

The women she spoke to were some of the first in the city to join the force.

He was new to the department, having joined the force in July 2004.

The two men, who had met through their work, decided that they would have more success by joining forces.