Collocations for employ - verb

actively, directly
By 1960 the arms industry directly employed 3.5 million people.

indirectly
currently
Mark is currently employed as a Professor of Linguistics.

in
A large part of the workforce is employed in agriculture.

be fully employed
be gainfully employed
Those not gainfully employed are dependent on their savings.

be permanently employed, be temporarily employed
be irregularly employed, be regularly employed

commonly, extensively, frequently, often, regularly, widely
The safety net is an image commonly employed in everyday life.

generally, primarily, routinely, typically, usually
increasingly
Self-checkout terminals are increasingly employed by retailers.

effectively, successfully, usefully
properly
When properly employed, non-lethal weapons will save lives.

better
Your time would be better employed doing something else.

busily, usefully

in
Will and Joe were busily employed in clearing out all the furniture.

Employ is used with these nouns as the subject:
college, firm, method, workshop

Employ is used with these nouns as the object:
agent, approach, architect, army, assistant, consultant, contractor, crew, design, employee, firm, force, imagery, immigrant, labourer, measure, mercenary, metaphor, method, phrase, practice, procedure, reasoning, rhetoric, servant, staff, strategy, tactic, tank, technique, technology, trainee, trick, tutor, violence, worker, workforce