Quiddity

Founded in 1976 in Texas, the firm has grown from a local engineering office into a nationally ranked Top

500 design powerhouse.

Privately held and built on its name’s meaning—‘essence’—the company has gradually expanded both service lines and geographic reach.

It operates 12 offices across Texas and Florida, offering full

service civil, structural, electrical, environmental engineering, planning, surveying, and construction support.

Typical projects span master

planned communities, wastewater treatment plants, flood

reduction works, roadway networks, and municipal infrastructure.

Known for tightly integrated in

house teams, they manage everything from feasibility to permitting to construction oversight.

Stand

out fact: they engineered Texas’s largest crystal lagoon at Lago Mar and are trusted by clients like Amazon, HEB, and regional utilities.

Quality

Collaboration

Accountability

Respect

Ethical Behavior