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Business Details
39 Years
experience
Trusted Engineering Services Since 1987
Founded in 1987, Sigma Engineers & Constructors was established by professionals seeking a fresh approach to engineering and construction. Our privately owned firm prioritizes relationships over profits, fostering a culture where employees and clients are valued equally. With a focus on small and mid-cap project execution, we deliver creative solutions through a team of experienced engineers committed to excellence. Our leadership team meets regularly to refine processes, ensuring we maintain industry-leading quality and client satisfaction.

Over decades, our dedication to relationship-driven project management has resulted in exceptional client and employee retention. We operate with a unique recipe emphasizing energy, commitment, and continuous improvement while acknowledging imperfections as opportunities for growth. Our safety-first approach extends from corporate operations to job sites, ensuring the well-being of all stakeholders. This philosophy has positioned us as a destination workplace that combines big-company capabilities with a small-company feel.
Services
Control Systems Automation Field Services Inspection Leadership Solutions
Details
  • Year established: 1987
Highlights and features
  • We maintain an engineering error rate significantly below industry averages.
  • Our all-in pricing consistently beats competitors while maintaining quality.
  • Leadership team meets regularly to refine internal and external procedures.
  • Employees receive ongoing support for professional growth and development.
  • Safety-focused culture extends from corporate operations to job sites.
Services
Control Systems
Our control systems engineering delivers precise, customized solutions for industrial applications. With expertise in system integration and process optimization, we help clients improve operational efficiency and reliability. Our team implements cutting-edge technologies that reduce downtime and enhance productivity across various industries.
Field Services
Sigma's field services provide expert technical support directly at project locations. Our skilled technicians handle installation, maintenance, and troubleshooting tasks with precision. This hands-on approach ensures minimal disruption to client operations while maintaining the highest safety standards during onsite execution.
Inspection
Our comprehensive inspection services verify compliance with engineering standards and project specifications. Through rigorous quality control processes, we identify potential issues before they impact project outcomes. This proactive approach helps maintain structural integrity and operational safety across all construction phases.
Leadership Solutions
Sigma's leadership solutions combine technical expertise with strategic oversight for successful project delivery. Our experienced project managers coordinate resources, timelines, and stakeholders to ensure alignment with client objectives. This structured approach maintains budget control while achieving quality benchmarks throughout the project lifecycle.
Engineering Services
Our core engineering services cover design, analysis, and implementation for diverse infrastructure projects. From concept development to final execution, we apply innovative design principles that balance functionality with cost-effectiveness. This holistic approach ensures sustainable solutions tailored to each client's specific requirements.
People
Robert B. Olivier
Chief Executive Officer
With over 15 years in leadership roles, Robert B. Olivier guides Sigma's strategic direction while maintaining focus on client relationships and company culture. His engineering background and commitment to employee development drive the firm's continued success.
Amy Guelfo
Chief Financial Officer
Amy Guelfo oversees Sigma's financial operations, ensuring fiscal responsibility while supporting growth initiatives. Her focus on transparent financial management contributes to the company's stability and long-term planning capabilities.
Eric Mistretta
Chief Operations Officer
Eric Mistretta brings extensive industry experience to Sigma's operations management. His leadership emphasizes process optimization and client satisfaction, maintaining the balance between technical excellence and operational efficiency.
Chris Foster
Executive Vice President of Production
With over 30 years in engineering, Chris Foster leads production operations while maintaining Sigma's commitment to quality. His hands-on approach ensures consistent delivery of projects that meet both technical and client expectations.
Jenee Olivier
Executive Vice President of Internal Operations
Jenee Olivier manages internal operations with focus on employee development and company culture. Her leadership helps maintain Sigma's unique workplace environment that prioritizes both professional growth and work-life balance.
Questions
What types of engineering projects does Sigma specialize in?
Sigma focuses on small to mid-cap engineering projects across various industries, emphasizing customized solutions that balance technical excellence with client collaboration.
How long has Sigma Engineers and Constructors been in business?
We've been serving clients since our founding in 1987, providing over 35 years of engineering and construction expertise.
What makes Sigma different from other engineering firms?
Our relationship-driven approach combines family-like culture with technical excellence, prioritizing long-term client partnerships over transactional relationships.
Does Sigma offer onsite field services?
Yes, our comprehensive field services provide expert technical support directly at project locations with a strong emphasis on safety and efficiency.
How does Sigma ensure project quality and safety?
We maintain rigorous quality control processes and a company-wide safety culture that extends from corporate operations to every job site we serve.