RZ Design Associates, Inc. is a leading consulting engineering firms providing design services for heating and air conditioning, ventilation, electrical, plumbing, fire protection, structural, power, lighting, voice and data telecommunications systems, and more. Our solid history of providing superior and reliable service for nearly 70 years is attributed to focusing on each client we serve.

Our multi-disciplined staff consists of professional engineers licensed throughout New England, as well as District of Columbia, Florida, Hawaii, Illinois, Maine, Maryland, Michigan, Minnesota, New Hampshire, New Jersey, New York, Pennsylvania, Texas, Vermont and Virginia.