John D. Hynes & Associates, Inc.

About John D. Hynes & Associates, Inc.

Our Firm

John D. Hynes & Associates, Inc. is a consulting engineering firm established in 1989 and based in Salisbury, Maryland. We provide a full range of geotechnical, environmental, construction inspection, and material testing services to both the public and private sector. Our clients comprise a cross section of enterprises on the Delmarva Peninsula, throughout Maryland and Virginia, in the greater Baltimore and Washington areas, Delaware, and Pennsylvania.



John D. Hynes & Associates, Inc. maintains an extensive Quality Assurance/Quality Control Program. Our laboratory is managed by a registered Professional engineer, and is accredited by AASHTO. Both the Geotechnical and Environmental departments share the expertise of experienced hydro-geologist, geotechnical engineers and drilling crews.

John D. Hynes & Associates, Inc. currently maintain the following departments:

  • Geotechnical Engineering and Consulting
  • Environmental Engineering and Consulting
  • Materials Testing and Construction Inspection Services
  • Drilling Services


Our Staff

We currently staff 32 personnel. All our staff is provided with specialized training to maintain many certifications and licenses as further detailed below:

  • Licensed Professional Engineers
  • Licensed Professional Geologist
  • Licensed Well Drillers
  • Certified Underground Storage System Removers
  • Certified Lead Based Paint Inspection Technicians
  • Health and Safety Certifications for Hazardous Waste Site Activities
  • First Aid and CPR Certifications through the American Red Cross
  • Certified Nuclear Moisture-Density Gauge Operators
  • Certified Engineering Technicians