Shelby Williams

Quiddity

Quiddity is an award-winning, full-service civil engineering, planning, surveying and consulting firm. With more than 500 employees in 10 office across Texas. Our team is organized around 11 services that support nearly 20 public and private market sectors. Our mission is simple – enhance lives through engineering excellence. Whether it's designing a new master-planned community, delivering a new wastewater treatment plant or solving traffic issues, we strive to improve the communities where we live and work. Quiddity was established in 1976 with core values – quality, collaboration, accountability, respect, and ethical behavior – that continue to drive our firm and inspire our people to this day. Remaining true to this vision has helped our team be consistently voted a Top Workplace and an Engineering News-Record Top 500 National Firm.