Bolton & Menk, Inc.

Duffy Engineering & Associates Inc. is a multi-disciplined consulting firm of engineers. We provide a full range of services to our clients. Our mission is to provide a single source solution while promoting all projects in the most cost-effective and timely manner. We always provide professional, highly qualified, and ethical personnel. Our services include mechanical engineering, structural engineering, civil engineering, electrical engineering, and surveying. Please call us today for more information.

Bolton & Menk, Inc. specializes in providing community infrastructure solutions. We are made up of planners, engineers, designers, technicians, and more who work hard to improve your community.

Bolton & Menk, Inc. specializes in providing community infrastructure solutions. We are made up of planners, engineers, designers, technicians, and more who work hard to improve your community.