Sigma Southwest LLC is an Arizona-based company with deep roots and licensed in nine Southwestern states. As a premier commercial general contractor, Sigma Southwest has established a broad footprint in the region with an extensive portfolio of projects in a variety of sizes, industries, and property types. With long-standing client relationships with top developers, architects, municipalities, and businesses in the region, Sigma Southwest is perfectly poised to accommodate your project needs.

Sigma Southwest is a 'right-sized company' by design. Big enough to offer all construction services, yet small enough to provide personal, individual attention to its clients by ownership.

Led by lifelong construction professionals Dan Hinkson, Seth Simmons and Gino Camilleri who together have close to a century of experience and expertise, Sigma Southwest is well-positioned to bring together the right resources for success. With a team of 20 - 25 industry professionals, they are able to orchestrate the strategic contributions of vetted vendors and preferred subcontracting companies that are most appropriate for each project.

The leadership of Sigma Southwest is synonymous with outstanding customer service. Sigma Southwest’s relationship management is secured by the hands-on participation of its owners throughout each phase of a project until the client’s goals are met and their expectations are exceeded.

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