Nautical Structures

What Nautical Structures does

Nautical Structures Industries, Inc. is a US-based, privately held manufacturer of precision-engineered hydraulic motion and control equipment for the marine industry, founded in 1986 and headquartered in Largo, Florida. The company designs, engineers, and builds custom davits, cranes (NS-Series, KB-Series, HMC-Series, MC-Series, Euro-Series), passerelles, transom lifts, yacht stairs, and complementary boarding and tender-handling equipment for luxury yachts under 30 m, superyachts over 30 m, military vessels, and commercial/architectural applications. Core technology centers on a proprietary hydraulic linear winch system delivering non-fouling, load-limiting, near-silent operation and a 2:1 strength-to-weight ratio on NS-Series cranes, with 3D/FEA-engineered integration and 2 million foot-pound structural testing capacity in a 94,000 sq ft purpose-built facility.

The company's revenue model rests on three streams: (1) hardware sales of custom engineered-to-order equipment, where pricing is quote-based and contracts span multi-year vessel build and refit cycles with named shipyards (Westport, Feadship, Delta Marine, Hatteras), naval architects (Sharp Design, Hoek Design), and end users including Viking River Cruises and Edison Chouest Offshore; (2) installation and commissioning services performed worldwide; and (3) recurring aftermarket parts, annual inspections, maintenance, emergency service, and refurbishment delivered through a 24/7 lifecycle support network spanning owned centers in Largo, Fort Lauderdale, and Seattle plus authorized service providers in Palma de Mallorca, Bolsward (Netherlands), and Istanbul. Distribution is direct enterprise field sales through regional directors (including European Sales Director Rob Knoop), supported by naval-architect referral networks and selective trade-show presence (METSTRADE). Multi-class certifications (SOLAS, LSA, HOP, UMT, ABS, MCA, LY3) and the October 2025 Lloyd's Register Approval in Principle for NS-Series cranes act as a regulatory gate into the global commercial vessel segment.

Nautical Structures operates as a division of NS Industries, Inc., alongside wholly-owned subsidiaries NSI Precision (Florida contract metal fabrication) and the Commercial, Marine and Military product division, suggesting an industrial group model where shared manufacturing capacity underwrites both OEM marine equipment and third-party fabrication revenue. Customer logos reveal concentration in superyacht construction and refit, US Navy service work, river cruise (Viking), and offshore support (Edison Chouest), with cross-segment exposure providing some diversification but with project-level revenue lumpiness typical of custom engineered-to-order manufacturing.

Name

Nautical Structures

Legal name

Nautical Structures Industries, Inc.

Website

https://nautical-structures.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

11–50 employees

Short description

Nautical Structures is a US-based, privately held manufacturer of custom hydraulic davits, cranes, passerelles, and transom lifts serving luxury yacht, superyacht, military, and commercial vessel builders, with multi-class certifications including Lloyd's Register AIP and a global 24/7 service network.

Ownership category

akta.pro rank

Product category

Marine Equipment Manufacturing

NAICS

Ship Building and Repairing (336611), Ship and Boat Building (3366)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Life-Saving Appliances & Safety Equipment (Davit Systems, Lifeboats, Firefighting) (IMAJAIAG)

akta.pro secondary industries

Cargo Handling & Lifting Equipment (Cranes, Derricks, Hoists) (IMAJAIAB), Luxury Yacht Systems Integration & Commissioning (Shipyard) (IMAJAMAI), Marine Outfitting & Interior Refurbishment (TLAKAKAL)

Keywords

• Marine equipment manufacturing
• Yacht crane systems
• Hydraulic davit systems
• Boarding passerelle systems
• Ship lifting equipment

Headquarters

HQ city

Largo

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Marine Equipment Manufacturing: Custom design, engineering and manufacturing of davits, cranes, transom lifts, passerelles, gangways, and boarding equipment for luxury yachts, superyachts, commercial vessels, and military applications.
2. Installation and Commissioning Services: Technicians assist shipyards worldwide with installation and commissioning of equipment to established standards.
3. Aftermarket Parts and Service: Parts sales, annual inspections, routine maintenance, emergency services, and refurbishment/refit services. 24/7 global lifecycle support.
4. Engineered-to-Order Custom Products: Unique custom-engineered products including submarine launching systems, cruise ship gangways, and specialized military equipment.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Nautical Structures designs, engineers, and manufactures custom hydraulic and mechanical lifting and boarding equipment for the marine industry, including davits, cranes, transom lifts, passerelles, gangways, and yacht stairs for luxury yachts, superyachts, commercial vessels, and military applications. The company operates a 94,000 sq ft US manufacturing facility and a global service network providing installation, commissioning, annual inspections, routine maintenance, emergency troubleshooting, and refurbishment support 24/7 worldwide.

Product overview

Nautical Structures is a manufacturer specializing in precision-engineered lifting and boarding equipment for the marine industry. The product portfolio centers on davit and crane systems (NS Series, HMC Series, KB Series Knuckle Boom, MC Series, Euro Series) for luxury yachts, superyachts, and commercial vessels, complemented by passerelles in multiple configurations (Single Telescopic, Double Telescopic, Fold Over, Fold Under, Jack-Knife), transom lifts, and yacht stairs. The company also manufactures military-grade equipment including gangways, accommodation stairs, watertight doors, weapons elevators, and bulletproof structures, as well as architectural products such as dock lifts and travelling trolleys. Commercial offerings include NS Precision metal fabrication services and the RISE Boothless Cinema Solutions automated lift system. A full lifecycle service network provides 24/7 global support including annual inspections, routine maintenance, emergency services, refurbishment, and installation commissioning. The company operates a 94,000 square-foot facility in Largo, Florida and maintains service centers in Fort Lauderdale, Seattle, and Barcelona.

Differentiator

Problem solved

Functional benefit

Products and services

• NS Series Davits and Cranes Versatile davit and crane system with 2:1 weight-to-lifting power ratio, modular design, and capacities ranging from 770kg/1,700lbs to 2,000kg/4,400lbs, used on vessels from 34m/112' to 77m/252' in length.
• KB Series Knuckle Boom Cranes Knuckle boom crane systems that stow compactly and offer unmatched dexterity and Safe Working Load capacity, featuring the linear winch system for smooth, silent, non-fouling operation with SOLAS, MCA, ABS, LY3, and HOP classifications available.
• HMC Davit Series Long-standing davit series for sportfishing yachts through superyachts, available with a removable configuration enabling modular disassembly in as little as 1 hour via quick-release pins and quick-disconnect hydraulic fittings.
• MC Series Davit Davit system from the Nautical Structures product lineup used for tender handling operations on yachts.
• Euro Series Davit European-designed davit system from the Nautical Structures product lineup.
• EZ2200-FCEX Crane SOLAS rated crane hidden under foredeck hatch, featured on Feadship's first hybrid superyacht M/Y Savannah.
• Transom Lifts Patented transom lift design with a variety of options to adapt to any transom configuration or tender weight, setting the standard for safety, ease of use, reliability, and serviceability among premium boatbuilders for 20+ years.
• Passerelles (Telescopic and Fold Configurations) State-of-the-art boarding planks with hydraulic self-centering, slew-lock, and float functions, available in Single Telescopic, Double Telescopic, Fold Over, Fold Under, and Jack-Knife configurations to address varying space constraints and vessel integration requirements.
• Deluxe Tri-Rail Yacht Stairs Premier removable boarding stair solution with unique no-pinch design, safe and quick installation, and a variety of aesthetically pleasing designs in stainless steel and carbon fiber variants.
• Radar Quick Release (RQR) System Patented quick release system for rapid attachment and removal of marine electronics including radar units and sat-TV, pull tested to over 1,000lbs with locking mechanism and removable in under a minute, available in Large and Small variants in white and black.
• Satellite Quick Release (SATQR) System Patented quick release mount for satellite TV and marine electronics featuring patented locking GemLux latch design.
• Dock Lifts Dock lift systems using the proprietary Hydraulic Linear Winch System that eliminates drum-winches, providing years of worry-free seawall lifting service.
• Travelling Trolleys Travelling trolley systems designed with architects for safely moving tenders from point A to point B, suitable for boat-houses or deployed on seawalls.
• Residential Hydraulic Escape Ramp Custom gangway-style escape ramp installed for emergency situations and home protection.
• Military Gangways and Accommodation Stairs Specialty people-moving equipment including gangways and accommodation stairs designed to meet strict military regulations for naval vessels.
• Certified Watertight Ship Shell Doors and Hatches Large certified-watertight ship shell doors and hatches for military vessels.
• High Recoil Weapons Elevators High recoil weapons elevators engineered for military vessel applications.
• Bulletproof Structures and Doors Bulletproof structures and doors designed for military applications.
• Carbon Fiber Structures (Military) Carbon fiber structures including stairs and gangways built for military applications.
• NSI Precision Metal Manufacturing Contract metal fabrication, manufacturing, and assembly service through NSI Precision, one of the largest contract fabrication facilities in Florida, providing sheet metal fabrication for industrial manufacturers of plates, brackets, flanges, structural frames, panels, cabinetry, enclosures, storage containers, and tanks.
• RISE Boothless Cinema Solutions Automated cinema lift system requiring only a key turn and button push for full access to projection equipment at ground level, facilitating service access and reducing operational complexity for cinema operators.
• Annual Inspections Multi-point inspection and testing program ensuring safe operation for the life of Nautical Structures marine equipment.
• Routine Maintenance Maintenance services supported by a vast library of engineering records enabling quick assessment and parts supply for any age or location of crane system.
• Emergency Services and Troubleshooting Worldwide troubleshooting and diagnosis via phone, email, or videoconference with technicians available from Largo FL, Fort Lauderdale FL, Seattle WA, or global service partners.
• Refurbish and Refit Equipment Equipment upgrade and remanufacture services including hydraulic rebuild, repainting, control upgrading, and engineering services for marine equipment up to 15+ years old.
• Installation and Commissioning Technician services for equipment installation and worldwide commissioning to ensure all specifications are met for optimal operation on the vessel.

Quantifiable outcome

• 2:1 strength-to-weight ratio on NS-Series cranes (1000kg capacity crane weighs only 460kg)
• +3 more outcomes

Named customers13 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Edison Chouest OffshorecoreStrategic or Co-development Partner · 1 August 2022Collaborative partnership for the design, fabrication, and delivery of the largest gangway system in Nautical Structures' 36-year history (114' end to end). Edison Choust Offshore's LA Ship Facility handled construction of the cruise vessel. Multi-year collaboration on project management, design, fabrication, assembly, and service.
• Viking River CruisescoreStrategic or Co-development Partner · 1 August 2022End user of the largest gangway system - M/V Viking Mississippi cruise vessel. Nautical Structures designed, fabricated, and delivered the automated hydraulic gangway system for this vessel.
• MB92coreImplementation/ SI/ Consulting Partner · 1 September 2017Sales and service center opened at MB92 Barcelona headquarters in September 2017. MB92 is the world's leading superyacht equipment service, repair and refit company. Center initially staffed by 4 specialists with plans to grow to 12. Provides integrated project management with Nautical Structures handling sales and service work with MB92 facilitating turn-key execution.
• LM Stabilizer and HydraulicsminorImplementation/ SI/ Consulting PartnerAuthorized Service Provider located in Palma de Mallorca, Spain. Provides local service and support for Nautical Structures equipment in the Mediterranean region.
• Onboard MarineminorImplementation/ SI/ Consulting PartnerAuthorized Service Provider located in Bolsward, Netherlands. Provides local service and support for Nautical Structures equipment in Northern Europe.
• NEVA MarineminorImplementation/ SI/ Consulting PartnerAuthorized Service Provider located in Istanbul, Turkey. Provides local service and support for Nautical Structures equipment in Turkey and the Black Sea region.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Opacmare: Italian manufacturer of passerelles, davits, cranes, and boarding equipment for luxury yachts and superyachts. Most direct head-to-head competitor to Nautical Structures' yacht product line, particularly in European shipyards.
• Besenzoni: Italian supplier of hydraulic passerelles, cranes, davits, sliding doors, and yacht stairs. Competes directly with Nautical Structures across the superyacht boarding and lifting equipment category.
• TMG (Tender Marine Group): Italian manufacturer specializing in hydraulic cranes and tender handling systems for superyachts. Closely comparable product set to NS-Series and KB-Series cranes, serving the same Italian and European shipyard channels.
• Vestdavit: Norwegian manufacturer of davit systems for offshore, lifeboat, and workboat applications. Comparable in SOLAS-certified lifting equipment engineering, with stronger offshore energy exposure than Nautical Structures.
• Coast-Line International: US-based manufacturer of marine cranes and davits for commercial, military, and offshore vessels. Comparable product category with shared customer overlap in US Navy and commercial marine channels.
• Forespar: US maker of marine hardware including mast poles, davits, and boarding equipment for sailing yachts and motor yachts. Comparable in davit and boarding product category though more focused on smaller recreational vessels.
• Hydromar Marine Equipment: Italian maker of hydraulic marine equipment for yachts including cranes, davits, and passerelles. Directly overlaps Nautical Structures' superyacht hydraulic lifting product portfolio.
• Atkins & Hoyle: UK manufacturer of hydraulic equipment for marine applications including cranes and lifting gear. Comparable engineering approach and customer base in commercial and military marine lifting equipment.

Broad incumbents

• Palfinger Marine: Austrian-headquartered global crane and lifting equipment manufacturer with a marine division. Broader industrial incumbent offering offshore and shipboard cranes that compete on larger commercial vessel programs where Nautical Structures is less present.
• Konecranes: Finnish global leader in industrial cranes and lifting solutions with marine and port crane product lines. Comparable only at the broadest equipment-manufacturing level, not a direct competitor in the yacht specialty niche.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/nauticalstruct
• Facebookfacebook.com/Nautical-Structures-Industries-100154541903509
• LinkedInlinkedin.com/company/nautical-structures-industries

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Nautical Structures