Estonia cooperates extensively with Latvia and Lithuania on joint military exercises.

Burger was part of the plot to turn on the others and cooperated with the FBI extensively.

Because these agencies are very closely aligned to one another, they cooperate extensively, they exchange information.

They cooperate with the priests of Fharlanghn extensively.

These days, he said, the most successful businesses are those that cooperate extensively with other companies.

Municipal governments cooperate extensively in various fields; for example with waste policy, shared public transport and a joint fire brigade.

At first both firms produced very similar lines of products, and extensively cooperated in product-sharing, but they drifted apart as time progressed.

Domestic, ethnic Greek criminal organizations are the most powerful and extensively cooperate with Albanian groups.

There were other overlaps of personnel as well, because both groups cooperated extensively with each other.

The Commission will cooperate more extensively with third countries in order to help them deal with migratory flows.