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Business Details
50+ Years
experience
Your Trusted Engineering Partner for Infrastructure Solutions
Founded in 1964, TTL has established itself as a leader in engineering design, delivering integrated infrastructure solutions for public and private clients across the Southern United States. Our approach prioritizes safety, regulatory compliance, and tailored project delivery, ensuring alignment with client goals, budgets, and operational needs. With over 450 team members, we combine decades of specialized experience with industry-specific technology to provide innovative, practical solutions. Our commitment to quality is reflected in our work ethic, as we strive to get every project right the first time. We maintain longstanding partnerships with specialty subcontractors and minority partners, broadening our capabilities to meet complex challenges.

Our team includes former environmental regulators who advocate for clients and monitor legislative changes affecting their projects. We emphasize constructible, functional designs that balance long-term maintenance considerations with cost-effective outcomes. Integrated in-house services foster collaboration, accelerating project timelines while maintaining precision. Our dedication extends beyond clients to communities, where we actively engage in philanthropy and sustainable development. This ethos of service drives our mission to build better foundations, futures, and legacies for all stakeholders.
Services
Transportation Design Civil Engineering Geotechnical Engineering Environmental Consulting Construction Materials Testing Surveying & Mapping
Details
  • Year established: 1964
Highlights and features
  • We offer 60 years of specialized engineering experience across diverse infrastructure sectors.
  • Our team includes former environmental regulators who ensure proactive compliance with evolving standards.
  • We implement tailored project delivery approaches aligned with client-specific policies and budgets.
  • Our safety program maintains an industry-leading record through weekly meetings and continuous improvement.
  • Integrated in-house services accelerate project timelines while ensuring technical precision.
Services
Transportation Design
We provide comprehensive transportation design and construction engineering inspection services for roadway projects. Our expertise includes corridor selection, regulatory compliance, and safety-focused infrastructure development. Clients benefit from our deep understanding of DOT requirements and our ability to deliver projects that balance operational efficiency with community needs.
Geotechnical Engineering
Our geotechnical services include subsurface exploration, material testing, and foundation design using advanced technologies. We address site-specific challenges like soil stability and seismic risks. Clients receive data-driven recommendations that optimize construction methods and ensure long-term structural integrity while minimizing environmental impact.
Environmental Consulting
We help clients navigate environmental regulations through permitting, impact assessments, and remediation planning. Our team includes former regulators who maintain agency relationships to streamline approvals. Services ensure projects meet federal, state, and local standards while protecting natural resources and community interests.
Civil Engineering
We deliver site development, stormwater management, and utility design solutions tailored to commercial, industrial, and municipal needs. Our approach integrates land use planning with technical precision to create functional, sustainable spaces. Clients gain cost-effective designs that meet zoning requirements and support long-term operations.
Construction Materials Testing
Our materials testing services verify compliance with project specifications during construction. We conduct field and lab testing for concrete, asphalt, soils, and structural components. This ensures constructed elements meet design standards, reducing risks of failures and costly rework while maintaining safety and performance criteria.
People
Dean McClure
Chief Executive Officer
Dean McClure leads TTL's strategic vision, leveraging decades of engineering leadership to drive client success and company growth.
Jason Walker
Chief Technical Officer
As CTO, Jason Walker oversees technical excellence in engineering solutions, ensuring innovative application of technology across transportation and infrastructure projects.
Lance Bailey
Chief Financial Officer
Lance Bailey manages financial strategy and operational efficiency, maintaining fiscal responsibility while supporting TTL's expansion and client service goals.
Sugandh Rajpal
Chief Growth Officer
Sugandh Rajpal drives business development initiatives, expanding TTL's market presence while maintaining technical excellence in engineering services.
Mike Harper
Transportation Services Leader
Mike Harper directs transportation projects, combining engineering expertise with regulatory knowledge to deliver infrastructure solutions across the Southern US.
Questions
What engineering services does TTL specialize in?
TTL offers transportation design, civil engineering, geotechnical analysis, environmental consulting, and construction materials testing across the Southern United States.
How does TTL ensure project safety and compliance?
We maintain a formal safety program with weekly meetings and employ former regulators to ensure projects meet all environmental and construction standards.
What geographic areas do you serve?
TTL operates primarily in Alabama, Georgia, Tennessee, and Texas, with regional offices supporting local infrastructure needs.
How does TTL approach complex infrastructure challenges?
We combine technical expertise with tailored project delivery methods, using industry-specific technology to solve intricate engineering problems efficiently.
What makes TTL different from other engineering firms?
Our integrated services, safety record, and commitment to community-driven solutions create lasting value for clients and stakeholders.