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About Us

About ST Construction Co.

Built on Experience. Driven by Relationships.

ST Construction Co., is a family-owned and operated, full-service general contracting company established in 1988. For more than three decades, we have delivered high-quality commercial construction projects throughout New Jersey with a commitment to precision, accountability, and long-term value.

Our firm has built a strong reputation by consistently delivering projects on time, within budget, and to the highest standards of craftsmanship. This commitment has resulted in a prominent base of repeat clients who have trusted us with their most demanding projects for over 30 years.

What We Do

ST Construction provides comprehensive construction services across a wide range of commercial building sectors, including:

Office and corporate fit-outs

Industrial and manufacturing facilities

Warehouses and distribution centers

Healthcare and medical facilities

From interior renovations to large-scale building additions, we manage projects of all sizes with the same disciplined approach and attention to detail.

Contact Us

Our Team

  • Stephen D. Martinez

    President & CEO

    Stephen D. Martinez founded S.T. Construction Co. in 1985 and has led the company for more than 35 years. His experience in construction management, operations, and business leadership has helped grow S.T. Construction into a successful second-generation family business.

    Stephen is also committed to giving back to the community through his service on the Hackensack Meridian Health Pascack Valley Board of Governors and the Martinez Family Foundation, which supports local healthcare initiatives.

  • Stephen J. Martinez

    Vice President

    As Vice President of S.T. Construction, Stephen J. Martinez represents the company’s second generation of family leadership. He oversees daily operations and project delivery, bringing a unique combination of construction and architectural expertise to every project.

    A licensed New Jersey architect, Stephen holds a Bachelor of Arts from Lehigh University and a Master of Architecture from NJIT. He also serves as a Trustee of the Hackensack University Medical Center Foundation Board and as Chairman of the Martinez Family Foundation, supporting local healthcare initiatives.

  • Andrew Martinez

    Senior Project Manager

    Andrew Martinez is a Senior Project Manager at ST Construction, where he oversees projects from preconstruction through completion with a focus on quality, efficiency, and client service.

    Andrew earned his degree from Franklin & Marshall College and began his career with SL Green Realty in Manhattan, managing Class A commercial office properties. He later joined NAI James E. Hanson in New Jersey, where he managed a diverse portfolio of commercial buildings and gained extensive experience in property operations and capital improvements. Drawing on his background in commercial real estate and construction management, Andrew works closely with clients, consultants, and project teams to successfully deliver projects.

Our Mission

At ST Construction Co., Inc., our mission is to deliver a first-class construction product, completed to your satisfaction. We strive to build lasting relationships by providing dependable service, transparent communication, and results our clients can rely on.

Our Vision

Our vision at ST Construction Co., Inc. is to be a trusted construction partner recognized for integrity, craftsmanship, and consistency. We aim to grow through long-term client relationships, delivering projects that set the standard for quality, reliability, and execution across every sector we serve.