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Our History

Collier Engineering Company, Inc. is a privately-owned engineering and consulting firm based in Nashville, Tennessee. The company was founded in 1981 by the late Mr. James L. Collier who instilled the knowledge and commitment to service that the company thrives on today.

Our staff of engineers, landscape architects, GIS specialists, inspectors, technicians, and engineering support personnel provides complete engineering services for state, local and county governments, as well as private clients. Our primary expertise is the planning, design, and management of construction projects in the fields of transportation, site/civil design, construction management, and landscape architecture.

Additionally, Collier provides consulting, data collection, data management, and analysis services for geographic information systems (GIS). We also use GIS tools to plan and maintain infrastructure assets.

Our Achievements


  • Cartegraph
  • ArcGIS
  • Map Services
  • AutoCAD

Our Background

The Collier staff has a solid background in a variety of engineering and design principles. The company’s current projects vary in size and complexity, and we strive to provide high-quality work on each project from concept to completion. We listen intently to our clients’ goals and objectives and respond to the individual challenges that each project presents. The company President, Chad A. Collier, P.E., has a strong background in construction, project management, and design expertise. He leads a staff of highly-qualified professionals whose previous work experience with state and local governments, the private sector, and contractor venues gives strength and diversity of knowledge to the company.


Collier Engineering Company, Inc. and its staff are committed to providing quality, professional engineering services for every client and are committed to the safety and welfare of our employees, current and future clients, and the general public. Providing excellence in customer service and lasting value in the projects we deliver propels every task that our team undertakes.


Our Team

Our Clients

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Bedford County Highway Department

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Cheatham County Highway Department

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Davidson County Public Works

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Decatur County Highway Department

Dickson County Logo

Dickson County Highway Department

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Franklin County Highway Department


Hamilton County Highway Department

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Hickman County Highway Department

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Houston County Highway Department


Lawrence County Highway Department

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Lewis County Highway Department

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Lincoln County Highway Department

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Maury County Highway Department

Moore County Logo

Moore County Highway Department

Perry County

Perry County Highway Department

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Rutherford County Highway Department

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Trousdale County Highway Department


Washington County Highway Department


Wayne County Highway Department

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Williamson County Highway Department


Wilson County Highway Department

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Metro Department of Parks and Recreation

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Metro Water Services Stormwater Division

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Town of Nolensville Department of Public Works

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