InterOcean Systems
InterOcean Systems is a specialized marine equipment manufacturer founded in 1945, producing winches, mooring releases, acoustic subsea instruments, and UV-fluorometry oil spill monitoring sensors for defense, offshore oil & gas, environmental, and oceanographic research customers worldwide.
- Company typePrivate
- Founded1945
- HeadquartersSantee, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What InterOcean Systems does
InterOcean Systems LLC is a designer and manufacturer of specialized marine equipment, founded in 1945 and headquartered in Santee, California. Operating as a wholly-owned subsidiary of Delmar Systems Inc. since February 2019, the company serves defense, environmental, industrial, offshore oil & gas, and marine science customers across more than 75 countries. Its product portfolio centers on four categories: Slick Sleuth UV-fluorometry oil spill monitoring sensors (SS100, SS100-EXd, SS200, SS300); winch and cable handling systems including the 488-ACW winch, the WHOI Compact Winch, and custom oceanographic winches; high-tension mooring release hardware including the Rig Anchor Release (RAR) Models 6500 and 6600 supporting loads up to 2.5 million pounds; and acoustic subsea releases (Models 111, 1090E, 1090ED) with operational depths from 300 meters shallow water to 8,000 meters full ocean depth.
The company's technology integrates hydraulic, acoustic, electronic, mechanical, and electro-optical systems under registered patents in hydro-mechanics, controls, and electro-optical detection. Acoustic releases feature proprietary secure sequential tone-coding to eliminate ambient noise interference, and the Slick Sleuth sensor family detects crude oil, jet fuel, and diesel on water surfaces in real time. All design, engineering, manufacturing, electronics assembly, and testing occur at the vertically integrated Santee facility, which houses high-pressure test tanks for long-duration underwater testing and dynamic winch test rigs. Products are certified for shipboard operations under classification bodies including Lloyd's, ABS, and DNV.
InterOcean generates revenue through project-based, custom-engineered hardware sales conducted via direct RFQ engagement, with no publicly disclosed pricing. Named customers include the National Oceanic and Atmospheric Administration (NOAA), Woods Hole Oceanographic Institution (WHOI), the University of Vermont (UVM), All American Marine, ASL Environmental Science, and EnviroEye. The company also derives service revenue from winch maintenance contracts (e.g., replacing over 6,000 meters of CTD cable on NOAA's R/V Reuben Lasker) and technology licensing arrangements, with global distribution supported by parent Delmar Systems' worldwide mooring services network spanning offices in Broussard, LA and Houston, TX.
InterOcean Systems firmographics
Firmographics- Name
- InterOcean Systems
- Legal name
- InterOcean Systems LLC
- Website
- https://interoceansystems.com
- Company type
- Private
- Founded year
- 1945
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- InterOcean Systems is a specialized marine equipment manufacturer founded in 1945, producing winches, mooring releases, acoustic subsea instruments, and UV-fluorometry oil spill monitoring sensors for defense, offshore oil & gas, environmental, and oceanographic research customers worldwide.
- Ownership category
- akta.pro rank
InterOcean Systems industry classification
Industry- Product category
- Marine Equipment Manufacturing
- NAICS
- Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Oil and Gas Field Machinery and Equipment Manufacturing (333132)
- SIC
- Special Industry Machinery, Nec (3559), Oil & Gas Field Machinery & Equipment (3533), Industrial Instruments For Measurement, Display, And Control (3823), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)
- akta.pro primary industry
- Cargo Handling & Lifting Equipment (Cranes, Derricks, Hoists) (IMAJAIAB)
- akta.pro secondary industries
- Deck Fittings & Hardware (Bitts, Fairleads, Cleats, Anchors & Chains) (IMAJAIAK), Marine Automation, Control & PLC/SCADA Systems (IMAJAJAC)
Keywords
Where InterOcean Systems is headquartered
LocationHeadquarters
- HQ city
- Santee
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
InterOcean Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Technology or R&D, Operations, Marketing or Sales
Revenue model
- Marine Equipment Manufacturing: InterOcean generates revenue through the design, manufacture, and sale of advanced marine equipment including winches, cable handling systems, acoustic release systems, mooring release hardware, and oil spill monitoring systems. Products are sold directly to government agencies, military, research institutions, offshore energy producers, and contractors.
- Winch Maintenance and Field Services: The company provides winch maintenance services including spooling, lubrication, and cable replacement. InterOcean has been contracted by NOAA to perform winch maintenance on research vessels, demonstrating ongoing service revenue from existing installed base.
- Custom Engineering and Licensing: InterOcean derives revenue from custom-designed and fabricated oceanographic winch systems, as well as licensed technology (e.g., WHOI winch designs) adapted for specific research vessel applications.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
InterOcean Systems product offering
Product offeringCore offering
InterOcean Systems designs, engineers, and manufactures specialized marine equipment including cable handling and winch systems, mooring release systems (Rig Anchor Release), subsea acoustic releases, marine buoys, and the Slick Sleuth oil spill monitoring sensor. The company also provides specialized engineering, custom manufacturing, and maintenance services for defense, offshore energy, environmental, industrial, and marine science customers.
Product overview
InterOcean Systems offers a portfolio of specialized marine equipment for offshore, defense, and environmental applications. The product line centers on five core offerings: Oil Spill Monitoring systems (Slick Sleuth family including SS100, SS100-EXd, SS200, and SS300 models using UV-sensor technology), Winches and Cable Handling Systems (including the 488-ACW Winch, WHOI Compact Winch, and custom oceanographic winches), Mooring Release Systems and Subsea Releases (acoustic releases including Models 111, 1090E, 1090ED, and heavy-duty releases including RAR Models 6500 and 6600), Specialized Engineering Services, and Buoys. Products range from compact coastal instruments to heavy-duty offshore construction equipment capable of handling loads up to millions of pounds. The company also offers maintenance services including cable spooling for existing installations. InterOcean operates as an affiliate of Delmar Systems, Inc.
Differentiator
Problem solved
Functional benefit
Products and services
- Slick Sleuth Oil Spill Monitoring System A UV-sensor fluorometry-based oil spill detection sensor used for continuous water surface monitoring by environmental agencies, spill response organizations, and marine operators.
- Cable Handling and Winch Systems Engineered hydro-mechanical winches and cable handling systems used by defense, offshore, industrial, and marine science customers to deploy and recover instruments, lines, and towed equipment.
- Rig Anchor Release (RAR) Mooring Release System A mooring release system designed for offshore mooring applications, allowing operators to release mooring lines on demand during rig moves and offshore operations.
- Subsea Acoustic Releases Acoustic command releases used to deploy and recover subsea instruments, moorings, and oceanographic equipment from research vessels and offshore platforms.
- Marine Buoys Engineered marine buoys used for environmental monitoring, research, and offshore applications where surface platforms or instrumentation are required.
- Specialized Engineering and Custom Manufacturing Services Bespoke engineering, design, and manufacturing services for customers needing custom marine equipment and one-off systems outside the standard product catalog.
- Winch Maintenance Services Maintenance and overhaul services for InterOcean and customer-owned winch and cable handling equipment.
Quantifiable outcome
- Deployed in over 75 countries across every continent with thousands of customers
- +2 more outcomes
Companies that use InterOcean Systems
Customer profileNamed customers6 records
Segments5 records
Ideal customer profiles5 records
InterOcean Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability1 record
Feature6 records
InterOcean Systems partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core.
- Woods Hole Oceanographic Institution (WHOI)coreWHOI entered into an exclusive licensing and co-development agreement with InterOcean Systems for next-generation winch systems. This partnership builds on prior collaboration for a compact winch featured in Sea Technology Magazine, and led to a directly driven winch system for the University of Vermont's hybrid research vessel. The winch system reduces drivetrain losses and can be operated via wireless joystick. WHOI also licensed its winch design to InterOcean for use on the new University of Vermont research vessel.
- Delmar Systems Inc.coreDelmar Systems Inc. acquired InterOcean Systems, forming InterOcean Systems LLC. Delmar is a worldwide supplier of offshore mooring-related services and specialized equipment with over 48 years of experience. The acquisition combines Delmar's mooring and subsea installation services with InterOcean's manufacturing capabilities, creating synergies particularly in the Rig Anchor Release (RAR) product line. InterOcean Systems LLC is now an affiliate of Delmar Systems Inc. Headquartered in Broussard, LA with technical services in Houston, TX.
Scale indicators6 records
Recent moves5 records
Expansion highlights5 records
InterOcean Systems competitors and assessment
Company assessmentDirect peers
- Exail (formerly iXblue): Exail manufactures acoustic releases, subsea positioning systems, and oceanographic instrumentation. Directly comparable to InterOcean in acoustic release technology (e.g., OCEANO releases) and serves overlapping research and offshore mooring customers.
- MacArtney Group: Danish-headquartered provider of subsea winch systems, cable handling, and oceanographic instruments. Highly comparable to InterOcean's winches/cable handling and subsea release product lines, with strong overlap in marine science and offshore customers.
- Sonardyne: UK-based specialist in acoustic positioning, navigation, and release systems for subsea applications. Directly competes with InterOcean's transponding acoustic releases (Models 1090E/1090ED) and serves the same oceanographic, offshore, and defense customer base.
Emerging players
- Valeport: UK manufacturer of hydrographic and oceanographic instruments including CTDs, current meters, and tide gauges. Niche overlap with InterOcean in marine science applications and instrumentation for cable-deployed research platforms.
- RBR Ltd: Ottawa-based designer of high-precision oceanographic instruments (CTDs, tide gauges) deployed on moorings and research vessels. Niche overlap with InterOcean's subsea release and oceanographic deployment products serving academic and government researchers.
- AML Oceanographic: Canadian manufacturer of oceanographic CTD and water column sensors used on research winches. Comparable niche product overlap with InterOcean's acoustic releases and cable-handled instruments, focused specifically on the marine science segment.
Broad incumbents
- Huisman: Dutch manufacturer of heavy-duty marine equipment including offshore cranes, winches, and mooring systems. Comparable to InterOcean's RAR and cable-handling products but operating at significantly larger scale in offshore construction and oil & gas.
- Kongsberg Maritime: Norwegian marine technology major providing subsea sensors, acoustic systems, winches, and offshore positioning solutions. Broad incumbent that competes with InterOcean across cable handling, acoustic releases, and offshore mooring instrumentation.
- Teledyne Marine: Division of Teledyne Technologies offering a broad portfolio of subsea instruments, sonars, acoustic releases, and oceanographic sensors. Overlaps with InterOcean in acoustic releases and oil spill detection but as part of a much larger multi-brand marine instrumentation conglomerate.
- Fugro: Dutch offshore services major and direct competitor to InterOcean's parent Delmar Systems in mooring installation and subsea services. Comparable through the offshore mooring ecosystem, with Fugro also offering proprietary instrumentation adjacent to InterOcean's portfolio.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
InterOcean Systems social profiles
Digital presenceInterOcean Systems compliance and trust
Trust signalCompliance1 record
InterOcean Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
InterOcean Systems leadership team
Management profileNumber of profiles
Profiles1 record
InterOcean Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
InterOcean Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about InterOcean Systems
What does InterOcean Systems do?
InterOcean Systems designs, engineers, and manufactures specialized marine equipment including cable handling and winch systems, mooring release systems (Rig Anchor Release), subsea acoustic releases, marine buoys, and the Slick Sleuth oil spill monitoring sensor. The company also provides specialized engineering, custom manufacturing, and maintenance services for defense, offshore energy, environmental, industrial, and marine science customers.
Is InterOcean Systems a public or private company?
InterOcean Systems is a private company. It is classified as corporate owned and is currently operating.
When was InterOcean Systems founded?
InterOcean Systems was founded in 1945. It employs 11 to 50 people.
Where is InterOcean Systems based?
InterOcean Systems is headquartered in Santee, United States, in the North America region.
How does InterOcean Systems make money?
Three revenue lines are on record. Marine Equipment Manufacturing is the primary driver. The others are winch Maintenance and Field Services and custom Engineering and Licensing.
Who are InterOcean Systems's main competitors?
Direct peers on record are Exail (formerly iXblue), MacArtney Group and Sonardyne. Emerging players are Valeport, RBR Ltd and AML Oceanographic. Broad incumbents are Huisman, Kongsberg Maritime, Teledyne Marine and Fugro.
Does InterOcean Systems have an API?
No public API is recorded for InterOcean Systems.
What industry is InterOcean Systems in?
InterOcean Systems's product category is Marine Equipment Manufacturing. Its primary akta.pro industry code is IMAJAIAB, Cargo Handling & Lifting Equipment (Cranes, Derricks, Hoists), with a secondary code of IMAJAIAK, Deck Fittings & Hardware (Bitts, Fairleads, Cleats, Anchors & Chains). Its NAICS code is 334511 and its SIC code is 3559.