"working teams" is correct and usable in written English.
You can use it whenever you need to refer to two or more people who are working together on a group project or task. For example, "The working teams completed the tasks on time."
We collected a series of measurements in working teams composed of students engineers.
We introduce a study concerning relation between power and the evaluation of the effectiveness of working teams (Savoie & Brunet, 2000).
The leaders met alone for an hour, then with the working teams.
These conflicts ultimately result in clashes in the working teams that prevent true teamwork.
A learning methodology for the generic skill Working in teams has been developed, based on a structured rotation of roles within working teams and between teams.
This first decomposition level is supplemented with a more detailed structuring level in order to reduce the size of the working teams.
But some of the hardest-working teams do not go very far without the necessary talent.
I've had the privilege of being closely involved with some of the very best entertainment and comedy talent in the UK and worked with some exceptional producers – as well as the brilliant, unbelievably hard-working teams here at the network.
Ambitious art installations require large, hard-working teams, and these giant studios need lots of nutrient-rich food to keep working for hours on end.
Gary Rowett, their manager, spoke of "two hard-working teams not going to give it an inch", and commitment and enjoyment were evenly divided between Minstermen and Brewers.
There are few harder-working teams in the Bundesliga, and young Luka Jovic's neatly-finished clincher was the fifth time that Eintracht have scored in the last five minutes of a game this season to decisive effect.
