D. Nesbitt Associates  ·  Est. 1997  ·  Missouri City, Texas

Five Decades of Industrial Cleaning Engineering

David P. Nesbitt, PE Emeritus, has spent his career researching, designing, and applying the most demanding chemical and mechanical cleaning technologies in the world — from nuclear power plants in the American South to power stations, refineries, and chemical plants on six continents. Now in a legacy phase, he remains available for select expert witness, teaching, advisory, and equipment rental engagements.

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“The industrial cleaning business is, at its heart, a matter of getting it right the first time — with meticulous attention to detail, and the courage to say so when others cut corners.”

— David P. Nesbitt, reflecting on the legacy of A. David Nesbitt, PE (1920–2003)

A Multi-Generational Legacy

The Nesbitt name in industrial cleaning spans more than 70 years. David’s father, A. David “Dave” Nesbitt, PE, published pioneering papers on chemical cleaning in the steel industry as early as 1955. David carried that torch into the modern era of power generation, refining, and global engineering consulting.

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A Separate Pursuit

In retirement, the same inventive instincts that shaped a career in industrial engineering have found a new arena: sport. Through Nez Sports LLC, Dave applies technology, fabrication, and analytical thinking to the sports he loves — as both competitor and teacher.

Software

Tournament management & statistical apps for Windows and Android, built with modern development techniques.

3D Design & Fabrication

Custom parts modeled in 3D, fabricated from metal, wood, or plastic in a small garage shop.

Motion Analysis

Multi-camera systems to capture and visualize participant movements — a coaching tool for technique refinement.

Awards & Trophies

Laser-engraved custom trophies and awards, designed and produced in-house for tournaments and competitions.