General Info

Operational for more than 30 years, Triad/Holmes Associates is a full-service civil engineering and land surveying firm. It offers assistance through project development through feasibility studies, planning, customized design and construction support services. The company provides firm serves a range of private and public sector clients with a staff of over 70 employees. Triad/Holmes Associates also offers solutions for land development and public works infrastructure projects. It provides cost estimating, grading design and erosion control planning services. Triad/Holmes Associates additionally assists with the development of stormwater pollution prevention plans. The company offers aerial photography, construction staking and precise leveling solutions. It maintains a location in Mammoth Lakes, Calif.