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Business Details
50+ Years
experience
Expert Marine Engineering Services
Founded in 1974, Lanier & Associates has built a reputation as a premier engineering firm specializing in marine terminal planning and industrial project execution. Our philosophy centers on attracting and retaining top-tier talent to deliver consistent, high-quality service to clients across the energy, logistics, and infrastructure sectors. With over 100 combined years of experience in mechanical, electrical, and civil/structural engineering, our team provides fully integrated solutions from conceptual design through construction management.

We maintain long-standing relationships with regulatory agencies and marine construction partners to streamline permitting and project delivery. Our commitment to technical excellence and client collaboration has enabled us to complete hundreds of complex marine facility projects nationwide while maintaining a stable, experienced workforce that understands each client's unique operational needs.
Services
Marine Facility Planning Civil/Structural Engineering Mechanical Design Electrical Engineering Construction Management Permitting Services Surveying Instrumentation & Controls Vapor Control Systems Port Facility Development
Details
  • Year established: 1974
Highlights and features
  • 50 years of specialized marine engineering experience
  • Fully integrated multi-disciplinary engineering services
  • Proven track record with complex marine permitting processes
  • Stable, experienced team with industry-specific expertise
  • Comprehensive project delivery from planning to construction
Services
Marine Facility Planning
Our marine facility planning service provides comprehensive solutions for terminal development, including site layout optimization, equipment selection, and regulatory compliance. We specialize in creating efficient designs for liquid and bulk cargo handling that balance operational needs with environmental considerations. With decades of experience in navigating complex permitting processes, we ensure projects meet federal, state, and local requirements while maintaining cost-effectiveness and schedule efficiency.
Civil/Structural Engineering
We offer specialized civil and structural engineering for marine environments, including dock platforms, bulkheads, and retaining structures. Our team conducts detailed geotechnical analysis and develops durable designs that withstand harsh coastal conditions. Using advanced 3D modeling and traditional engineering principles, we create customized solutions for rail, road, and waterborne transportation infrastructure that prioritize safety, longevity, and operational efficiency for industrial clients.
Mechanical Design
Our mechanical design services focus on liquid and bulk materials handling systems, including piping networks, pumping stations, and conveyance equipment. We develop detailed process flow diagrams and perform fluid dynamics analysis to optimize system performance. With over 100 combined years of experience, our engineers create efficient solutions for ship/barge loading systems, dust control, and process water management while ensuring compatibility with existing infrastructure and operational requirements.
Electrical Engineering
We provide complete electrical engineering services for industrial facilities, including power distribution, lighting design, and hazardous location systems. Our expertise covers short circuit analysis, arc flash studies, and emergency power solutions tailored to marine environments. We develop comprehensive electrical designs that integrate with control systems while meeting safety standards and operational needs for bulk handling and liquid storage terminals.
Construction Management
Our construction management service ensures successful project execution through comprehensive oversight from design to completion. We provide constructability reviews, bid solicitation assistance, and on-site observation to maintain quality control and schedule adherence. With experienced managers familiar with marine construction challenges, we help clients navigate the complexities of fabrication, installation, and commissioning while maintaining cost control and regulatory compliance throughout the project lifecycle.
People
Sorrell Lanier
Founder
Professional engineer and registered land surveyor who established Lanier & Associates in 1974. Developed expertise in marine structures during his career with Texaco before founding the firm. Established the company's enduring philosophy of technical excellence and long-term client relationships.
Questions
What engineering services does Lanier & Associates offer?
We provide marine terminal planning, civil/structural, mechanical, electrical, and construction management services for industrial clients.
How long has Lanier & Associates been in business?
We've specialized in marine engineering since our founding in 1974, with over 50 years of industry experience.
What geographic areas do you serve?
We primarily serve Gulf Coast regions including Louisiana, Texas, and Mississippi, with projects nationwide.
What makes Lanier & Associates different from other engineering firms?
Our focus on long-term staff retention ensures consistent, experienced teams with deep marine engineering expertise across all disciplines.
Do you handle regulatory permitting for marine projects?
Yes, we have extensive experience navigating federal, state, and local regulatory requirements for marine facilities.
Can you assist with construction phase services?
We offer comprehensive construction management including site observation, quality control, and commissioning support.