Finding a caregiver can be a daunting task. First, ask friends and neighbors. Personal companions often find themselves out of work due to a death or the hospitalization of their client. Caregivers Chicago should be registered with agencies. Nursing pool agencies have listings for private duty nurses, nurses' aids, sitters and companions. Home care agencies will have listings excluding nurses as a general rule. Nurses are highly skilled and usually register with nursing agencies. They are in high demand and usually work in hospital settings or doctor's offices.