Who We Are

Engineers. Planners. Surveyors.

Quiddity was founded in 1976 with a vision of improving communities across Texas through innovative engineering. Our commitment to delivering high quality projects has resulted in a steady expansion of our team and a growing reputation among our clients, our industry teammates, and the communities in which we work.

Serving Communities Since 1976

Our team continues to establish itself as a strong competitor in the engineering, surveying, and planning markets.

We currently serve every major metropolitan area in Texas including Austin, Dallas/Fort Worth, Houston, San Antonio.

Now, with more than 500 employees in 11 offices across Texas, our team is organized around 11 services that support nearly 20 public and private market sectors. Remaining true to our mission has helped us be consistently voted a Best Place to Work by local and regional publications and an Engineering News-Record Top 500 National Firm.

Our Promise

Enhancing Lives Through Engineering Excellence

The communities we serve are the communities where we live, work and play. With this at the forefront of what we do, our clients know they are working with someone who cares. From concept to completion, we take our involvement seriously and ensure our services are delivered on time with a high degree of quality.

Our mission is simple: to enhance lives through engineering excellence. This mission holds meaning for our employees and our clients and captures the essence of what our firm is and strives to be. Whether its designing a new master-planned community, delivering a wastewater treatment project, or solving a traffic congestion issue, we strive to improve the communities where we live and work.


Your project is only as successful as the people behind it. Our industry experts know that working closely with consultants and specialists is key to delivering a quality project.


Proper scheduling can make or break a project. Whether it’s equipment and tools, people or location, our team puts measures in place to keep your project on schedule and see it through to the finish line.


Effective communication builds the foundation for a successful project. We communicate with openness, transparency and follow through on our commitments to develop trusting, lasting relationships.

Our Core Values

Rooted in Service

Our core values are more than words on paper. They’re the foundation of our culture and the blueprint of how we conduct business. These values allow us to remain true to the fundamental nature of what built Quiddity over 45 years ago. Most importantly, they balance the importance of our team and the communities we serve.


We strive to deliver quality projects and solutions without compromising safety.


We work in an environment that fosters collaboration and values organizational success.


We accept responsibility for our actions and embrace the personal duty to fulfill obligations and promises.


We work in a positive environment where diverse thoughts and opinions are welcome.

Ethical Behavior

We operate with integrity, honesty and fairness to promote an environment of trust.

Looking to apply for our Internship Program or a full-time EIT Position?
Visit the Build Your Career section of our site to learn more about joining our team!
This is default text for notification bar