About
Quiddity is a full-service civil engineering, planning, surveying, and consulting firm that delivers innovative solutions for both public infrastructure and private development projects. With over 700 employees spread across 12 offices in Texas and Florida, the company serves nearly 20 market segments, ranging from wastewater treatment and highway design to multi-family housing and master-planned communities. Recognized as an Engineering News-Record Top 500 Design Firm and consistently rated a Best Place to Work, Quiddity’s reputation is built on a commitment to quality, sustainability, and client-centric design. Its integrated approach—combining construction management, environmental services, land planning, and advanced technologies such as SCADA—enables the firm to create resilient, community-focused solutions that set it apart in the industry.
