Sigma Group

Motor Vehicle Parts ManufacturingMichigan, United States51-200 Employees

Sigma International is a global automotive decorative trim manufacturer based in Livonia, Michigan. The company provides a broad set of capabilities across molding, finishing, lighting, and painting for automotive parts. Its molding and finishing operations support varied form factors and surface textures, while automated painting enables multiple color and tactile finishes. LED lighting products are used in exterior and interior applications, including CHMSL lighting, interior ambient lighting, puddle lamps, and door sill lighting. With a presence across the United States, Mexico, China, South Korea, India, and South Africa, Sigma serves global automotive platforms.

Sigma emphasizes design and engineering to move products from concept to production, supported by CAD-driven design and planning systems that enable just-in-time delivery to assembly plants. It finishes a range of components such as door handles, grilles, door moldings, fog lamp bezels, license plate garnish, steering wheel trim, instrument panel clusters, air vent surrounds, and various interior knobs, buttons, and bezels. These capabilities position the company as a global supplier of decorative trim and related finishes within the motor vehicle parts manufacturing industry. Headquartered in Livonia, Michigan, the company operates as a mid-sized organization with a worldwide footprint.

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