At Sentinel Construction, we pride ourselves on delivering guardrail and fencing that is strong, secure, cost-effective, and meets TDOT standards. A family business, our experience in construction in Middle Tennessee spans 3 generations. Our reputation is based on integrity, skill, and innovation. We are dedicated to building the highest quality projects with excellent service and peak client satisfaction. Sentinel Construction is TDOT pre-qualified and can meet your state, county, and city requirements.