Answer: Contingency firm
Explanation:
From the given case/scenario, we can state that the Peter Cullen & Associate is using the services of a contingency firm. Here, contingency firm typically tend to work with large no. of job profiles and whenever there is an opening, they do so by inclining towards a database of candidates, after this they tend to look profile that match the candidates resume. A contingency firm is mostly paid when an individual or candidate is hired.