We offer more than the sum of our services.

Sigma has the versatility to satisfy client needs through varied project delivery methods. Sigma has been a team member as well as the Prime Consultant on traditional design–bid–build project deliveries, design–bid–build–maintain projects, and has led design/construction teams in design–build projects.

Sigma and its staff have completed hundreds of projects ranging from small studies to managing the design and construction of complex, multi-million dollar projects for the following market sectors:

Our Markets

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With resources throughout the United States and our offices in the Midwest and Mid-Atlantic, we possess the capabilities to mobilize quickly to service our clients' needs.

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Our Services

Sigma utilizes a diverse, multi-disciplinary workforce, who effectively address client issues and deliver results which enhance reliability and performance.

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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.

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