Your Vision, Our Expertise: Where Excellence Meets Innovation
Dedicated to Shaping the Future of Structural Engineering and Project Management
Longtin Engineering is a recognized leader in structural engineering and project management, with a distinguished track record of delivering innovative solutions across diverse market sectors. We combine exceptional technical expertise with a client-centric approach, consistently exceeding expectations and fostering sustainable solutions.
Our Commitment
Our team of experienced engineers and project managers take a fresh perspective to every project, meticulously considering budget, schedule, and technical solutions to deliver bespoke outcomes. We foster open communication and collaboration throughout the process, ensuring transparency and alignment with your vision.
Building Design
- Pioneering building design that seamlessly blends aesthetics with structural integrity.
Retrofit, Renovation & Rehabilitation
- Revitalizing structures through expert retrofit and renovation services, maximizing their lifespan and functionality.
Condition Assessments & Investigations
- Detailed investigations guided by experienced engineers to inform project decisions and proactively address potential issues.
Site Structures
- Creating unique and robust solutions for specialized site structure projects, ensuring structural integrity.
Industrial Structures
- Comprehensive design and consulting services for industrial projects of all sizes and complexities.
Material Handling & Lifting Devices
- Innovative design and retrofit of bespoke material handling systems, optimizing efficiency and safety.
Construction Engineering
- Tailored design and analysis services to streamline construction processes and ensure efficiency.
Our Approach
Our approach to every project is guided by:
- Client-Centricity: Aligning every project with your vision and understanding your unique needs.
- Technical Excellence: Drawing on our profound expertise for safe, efficient, and innovative outcomes.
- Timeliness: Committed to meeting deadlines without compromising quality.
- Sustainability: Implementing sustainable solutions that respect the environment for present and future generations.
Meet the Founder
Al Longtin, P.E., founder and president of Longtin Engineering, brings over 27 years of innovative engineering expertise to every project. His visionary leadership has guided the firm towards success in structural engineering and project management, tackling complex projects across diverse industries.

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