At Sigma , we specialize in designing, building, sourcing, and delivering complex metal components that enhance high-quality products worldwide. Headquartered in Garner, N.C., we are a leader in casting and precision metal stamping with a comprehensive footprint that includes 13 on-shore, near-shore, and offshore facilities, as well as extensive sourcing capabilities all over the world. Our North Carolina-based warehouse and logistics facility reduces fulfillment rates to as little as 5 days.