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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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We offer more than the sum of our services

Sigma has the versatility to satisfy client needs through varied project delivery methods.

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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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