Over 1200 projects

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.

For more than 50 years, the Sigma Southwest team has been the successful contractor for more than 1200 construction projects including hospitals, medical office, multi-family, hospitality, schools, public venues, retail, industrial, banks, office buildings, and municipal facilities.

With many long-lasting client relationships yielding repeat projects and satisfied clients, clients rely on the team of Sigma Southwest to serve on their behalf, ethically and responsibly and recognize their commitment to quality, budget and schedule for all their construction needs. Their commitment to this is proven by the number of returning clients that account for more than half of their project portfolio every year.

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.

For more than 50 years, the Sigma Southwest team has been the successful contractor for more than 1200 construction projects including hospitals, medical office, multi-family, hospitality, schools, public venues, retail, industrial, banks, office buildings, and municipal facilities.

With many long-lasting client relationships yielding repeat projects and satisfied clients, clients rely on the team of Sigma Southwest to serve on their behalf, ethically and responsibly and recognize their commitment to quality, budget and schedule for all their construction needs. Their commitment to this is proven by the number of returning clients that account for more than half of their project portfolio every year.

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, Sigma Southwest has over four decades of experience and expertise, and 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.