Products and Services



Company Capabilities

Core Competencies

Trigon provides engineering, management and consulting services based on a wide range of experience in utility and public infrastructure work. We specialize in engineering and support services throughout all phases of a project – from inception to planning, design, procurement, construction and post-construction – with a focus on program management, project management and construction management. 

Trigon is a licensed Professional Engineering firm in Louisiana, Texas, Mississippi, Alabama, Florida, Oklahoma, and the District of Columbia with engineers licensed in these states plus Arkansas, Virginia, New York, and California.

Value Proposition

Trigon’s primary market areas are broadly based on our areas of key expertise—planning, engineering, design and regulatory compliance for infrastructure projects; environmental services; as well as program and construction management. We provide our clients with an overall approach to their problems based on our experience across numerous market sectors, which results in success on all levels. 

The primary market sectors in which we typically operate include the following:

- Water & Wastewater

- Drainage & Flood Control

- Environmental & Coastal

- Transportation

- Federal

- International Development


Our client-focused, entrepreneurial culture allows ever-evolving capabilities and service offerings as well as geographic expansion. Trigon combines the knowledge and experience gained from years of working for global leaders in engineering on a number of extremely challenging and critical programs with the flexibility and innovation of a small firm.

We share this vast, diverse experience in the industry in providing innovative and effective solutions to the clients we serve. Trigon excels at understanding and implementing the vision that our clients have for the successful delivery of their projects and programs through our quality, reliability and performance.