Successfully putting all the pieces together.

Sigma delivers planning and design engineering, construction management, and technical services for public agencies and private sector clients. Our clients include substantial water and sewer utilities (some of which with the largest facilities and systems in the United States); leading power and energy companies; major airports, transit, and transportation agencies; prominent commercial and educational institutions; and principal municipal and federal government authorities.

Our professionals support clients through every stage of a project’s life-cycle. We take pride in the number of repeat municipal and private clients we serve, and have successfully completed more than 600 projects in the past 12 years, with a total construction value in excess of 1.6 billion dollars.

Our diverse, multi-disciplinary workforce is comprised of experienced:

  • Professional Engineers
  • I&C Engineers and Technicians
  • Program and Project Managers
  • Construction Administrators and Managers
  • Resident Engineers
  • Inspectors
  • IT Personnel
  • Trainers/Instructors
  • Architectural Support Personnel
  • Technical and Support Personnel

Our highlighted projects demonstrate a small portion of our professional capabilities, capacity, and competence.

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Experience. Accountability. Quality.

Delivering engineering support throughout all phases of a project from concept, planning and design, through integration, construction, startup, training, and on-call maintenance.

See how we do it