
About us
Designing Excellence Since 1984
Get to know us better.
Who we are
Established in 1984, Gray Engineering Consultants, Inc. is among the Southeast's leading professional design firms offering our clients civil engineering expertise.
For over 40 years, the firm has provided services on more than 5,000 projects ranging in size from 0.10 acres to 500 acres, and construction costs from $1,000 to $200 million.
Through a successful “team effort,” Gray Engineering is committed to offering our clients a construction “savvy” approach designed to exceed their expectations in design and budget.

What we design
Experience across every project type.
- Single-family Subdivisions
- Townhomes
- Apartments
- Large and Small Retail
- Grocery
- Restaurants
- Car Washes
- Hotels
- Office and Business Parks
- Self-Storage Facilities
- Industrial Parks
- Distribution Centers
- Solar Farms
- Schools and Government Buildings
- Health Care and Assisted Living Facilities
- Churches
- Parks and Recreational Developments
Where we work
Registered in eight states.
We are currently registered in the following states, but can be quickly registered in many others to suit your project needs.
- South Carolina
- Georgia
- North Carolina
- Tennessee
- Pennsylvania
- Virginia
- West Virginia
- Mississippi
- Others as needed
Headquarters: Greenville, SC

Our approach
We strive to find the most cost effective and creative solutions to every design and to keep projects on budget and on time. As a result, we have clients happily return to us with their next projects.
Leadership
Meet our team.

Zach Johnson, P.E.
President
zach@grayengineering.com
David Graffius, P.E.
Senior Vice President
dgraffius@grayengineering.com
Craig Rathke
Vice President
craigr@grayengineering.com
Let’s work together
Looking for the best partner for your next project?
We are currently open for exciting new projects. Get in touch – let’s bring your creative ideas to life together and build something outstanding. Let’s discuss your project or idea today.

