What InnerSpace Systems Corp does

InnerSpace Systems Corp (ISC) is a veteran-owned, privately held US manufacturer of closed-circuit rebreather (CCR) diving systems, founded in 1999 and headquartered in Hallsville, TX, with a registered address in Centralia, WA. The company designs, manufactures, and assembles its products entirely in the USA using Berry Compliant materials, and operates a small team of 1-10 employees funded entirely through self-financing with no debt. Its product line includes the legacy Megalodon, the Meg 15, the travel-oriented Pathfinder, and the current flagship Tiburon series (Head Package, Lite, Stripped, Complete) — all built around proprietary features such as an embedded port wiring system, user-changeable electronic modules, and dual independent DiveCAN circuits for redundancy. ISC integrates third-party Shearwater DiveCAN electronics (Petrel 3, HUD, NERD 2) as core control and display components across its Tiburon packages.

The company sells primarily through a direct e-commerce storefront (megccr.com), supplemented by US (Hallsville) and EU service centers and a global network of IANTD and SDI/TDI certified instructors. Pricing ranges from $6,740 for the Tiburon Head Package to $12,035 for the Complete system, with parts/accessories spanning $3-$2,250 and repair services from $30-$400. Revenue mechanics are one-time equipment sales, parts/accessories, and professional service — no subscription or recurring software model exists. Customers include the U.S. Navy (MK-28 MOD 0 designation), FBI, NOAA, Texas A&M University, United Space Alliance, commercial diving firms (Undersea Hunter Group), and individual professional and advanced recreational divers globally.

ISC's competitive positioning rests on a deep stack of regulatory credentials — first American rebreather company with ISO 9001:2008 (2002), first to achieve CE compliance under EN 14143 without deviations (2008), FCC, EN 61000, and UK Health & Safety Lab third-party testing — which collectively raise barriers to entry in a safety-critical life-support category. The company has also positioned itself as an industry standard-setter by influencing CCR training practices across certifying agencies. Its small scale, bootstrapped capital structure, and concentration in a niche global market suggest a stable but capital-disciplined operating profile rather than venture-style scaling.

Name

InnerSpace Systems Corp

Legal name

InnerSpace Systems Corporation

Website

https://megccr.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

1–10 employees

Short description

InnerSpace Systems Corp is a US-based, veteran-owned manufacturer of closed-circuit rebreather (CCR) diving systems, including the Megalodon, Pathfinder, and Tiburon lines. It sells direct to professional, military, scientific, and advanced recreational divers globally with full US manufacturing.

Ownership category

akta.pro rank

Headquarters

HQ city

Centralia

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. CCR System Sales: Sale of complete closed-circuit rebreather systems including the Tiburon Complete, Tiburon Lite, Tiburon Stripped, and Tiburon Head Package. These are complete diving systems with various levels of included components.
2. Parts and Accessories Sales: Sale of individual replacement parts, O-rings, sensors, batteries, electronics, breathing loop components, canisters, scrubbers, regulators, and other diving equipment components through their e-commerce store
3. Repair and Service: Professional repair and service for CCR units including ADV, DIV, Loop/Lungs, Legacy systems, Meg15/Tiburon, and battery box servicing

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

InnerSpace Systems Corp designs, manufactures, and sells closed-circuit rebreather (CCR) diving systems and related components under the Megalodon and Tiburon product lines. The company offers tiered CCR packages (Tiburon Head Package, Lite, Stripped, Complete), parts and accessories, and repair services. All units integrate Shearwater DiveCAN electronics and are assembled in the USA using Berry Compliant materials.

Product overview

InnerSpace Systems Corp is a manufacturer of closed-circuit rebreather (CCR) diving systems and related equipment. The company produces several rebreather lines: the Megalodon (original), Megalodon 15, Pathfinder, and Tiburon series (Head Package, Lite, Stripped, Complete). All Tiburon CCR packages integrate Shearwater DiveCAN electronics including the Petrel 3 control handset and HUD or NERD 2 heads-up display. The product line follows a modular philosophy allowing divers to use standard backplates, harnesses, BCDs, and various Megalodon components. The company also provides service parts, schematics, and repair services for all their products. Manufacturing and assembly occur in the USA using Berry Compliant materials.

Differentiator

Problem solved

Functional benefit

Products and services

• Tiburon Complete The Tiburon Complete is a comprehensive closed-circuit rebreather package priced at $12,035, including the Tiburon head, Shearwater Petrel 3 handset, Shearwater HUD, Cave or Mini canister, STA, 5.5lb radial CO2 scrubber, breathing loop with DSV, counter-lungs, two first stage regulators, dual 3L steel cylinders, backplate with harness, and all required hoses. Designed for professional divers requiring a full turnkey CCR system.
• Tiburon Lite The Tiburon Lite is a near-complete CCR package priced at $11,835 that excludes tanks, intended for divers who already own cylinders. Includes Tiburon head, Petrel 3 handset, HUD, and counter-lungs with ADV. Targets technical divers who want a turnkey rebreather head and breathing assembly.
• Tiburon Stripped The Tiburon Stripped is a base CCR package priced at $11,035 for professional divers who already own regulators, tanks, backplate, and harness. Includes Tiburon head, Petrel 3, HUD, canister, scrubber, breathing loop, counter-lungs, and hoses.
• Tiburon Head Package The Tiburon Head Package is a $6,740 upgrade/head-only package for owners of the original Meg rebreather, including the Tiburon head with embedded port wiring system, Shearwater Petrel 3 dive computer, and Shearwater HUD. Features two independent DiveCAN circuits for system redundancy.
• Megalodon CCR The flagship closed-circuit rebreather designed for demanding dives, featuring an embedded port wiring system in the Tiburon CCR Head plate to prevent wiring harness failures. The original Megalodon platform that established ISC in the rebreather industry, with products selected by the U.S. Navy as the MK-28 MOD 0.
• Megalodon 15 (Meg 15) CCR The Megalodon 15 (Meg 15) is a rebreather model with advanced integrated technologies, two independent DiveCAN circuits for redundancy and independence, and reliability and quality produced in the USA. The result of years of research and development.
• Pathfinder CCR The Pathfinder CCR is a compact and lightweight rebreather designed as a travel companion, featuring triple electronics, bright displays, and an ingenious dry loop arrangement. Designed to be compact enough to fit in a carryon bag.
• Shearwater HUD (Heads-Up Display) A heads-up display providing divers with critical information such as depth, time, and decompression limits directly in their line of sight. Integrated into Tiburon CCR packages and sold as a standalone product.
• Shearwater NERD 2 (Near Eye Display) A near eye display available for the Tiburon CCR, offered as an exchange for HUD (+$1,785) or as an additional display (+$2,075). Provides information directly in the diver's line of sight.
• CCR Repair and Service Professional repair and maintenance service for CCR units, including ADV, DIV, Loop/Lungs, Legacy systems, Meg 15, Tiburon, and battery box servicing. Service rates range from $30 to $400 per repair, with a 4% discount for cash/ACH/wire transfer. Operated through the US Service Center in Hallsville, TX and the EU Service Center.

Quantifiable outcome

• U.S. Navy selected the Megalodon as MK-28 MOD 0 after over 3 years of testing - first mixed gas CCR to receive a MK number in 30 years
• +4 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature5 records

Partnerships

Four partnerships are on record, tiered core and flagship.

• ShearwatercoreTechnology or IntegrationISC integrates Shearwater DiveCAN electronics including Petrel 3 handsets and HUD displays into their Tiburon CCR systems. Shearwater is a recognized leader in dive computer and electronics technology. This is a core technology integration partnership essential to ISC's product offerings.
• IANTDcoreChannel Partner/ Reseller/ DistributorIANTD (International Association of Nitrox and Technical Divers) is a prominent diving training agency. ISC maintains an Instructor Locator tool on their website connecting potential customers with IANTD-certified instructors who train divers on ISC CCR systems.
• SDI/TDIcoreChannel Partner/ Reseller/ DistributorSDI (Scuba Diving International) and TDI (Technical Diving International) are leading scuba and technical diving training agencies. ISC maintains an Instructor Locator tool connecting potential customers with SDI/TDI-certified instructors who train divers on ISC CCR systems.
• U.S. NavyflagshipOthersISC products selected as next generation deep submergence CCR after extensive testing. The Megalodon was designated MK-28 MOD 0 following over 3 years of U.S. Navy evaluation. Custom Saturation CCR was also built for special Navy projects and missions.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Dive Rite: U.S.-based manufacturer of technical diving equipment including O2ptima and other CCRs. Dive Rite targets the same North American technical and cave-diving customers as ISC with a comparable product philosophy focused on serviceability and field repairs.
• Hollis: U.S.-based dive equipment manufacturer (part of Pelagic) offering technical diving gear including rebreathers. Hollis competes with ISC across North American technical diving channels with a broader equipment catalog.
• KISS Rebreathers: U.S.-based manufacturer of KISS Classic and KISS Sidewinder rebreathers, known for simplicity and reliability. KISS competes with ISC's Pathfinder and Tiburon among technical divers seeking modular, user-serviceable CCR platforms.
• AP Diving: UK-based manufacturer of closed-circuit rebreathers (Inspiration, Evolution) and dive equipment. AP Diving is one of ISC's closest direct competitors in the technical/military CCR market with a comparable product offering and similar premium positioning.
• JJ Rebreathers: UK-based manufacturer of the JJ-CCR, a well-regarded closed-circuit rebreather popular in technical and expedition diving. JJ is a direct competitor to ISC's Megalodon line among experienced CCR divers globally.
• rEvo Rebreathers: Netherlands-based manufacturer of rEvo CCR systems targeted at recreational technical and expedition diving. rEvo is a direct peer competing in the same European and global CCR market segments as ISC.
• Poseidon Diving Systems: Swedish manufacturer of the MkVI and other CCR systems, supplying recreational technical and military diving markets globally. Poseidon competes head-to-head with ISC in the professional CCR segment with a similarly certified, electronically controlled platform.

Broad incumbents

• Dräger: German multinational supplying commercial, military, and public-safety diving life-support equipment including rebreathers. Dräger is a broad incumbent in the marine/defense diving market with much greater scale and R&D resources than ISC.
• Shearwater Research: Canadian manufacturer of advanced dive computers and electronics including Perdix, Petrel, and NERD used across the CCR industry. Shearwater is both ISC's core electronics partner (Petrel 3, HUD, NERD 2) and a broader incumbent whose dive computers power most modern rebreathers.
• Aqua Lung: Global dive equipment manufacturer with broad recreational, technical, and military offerings. Aqua Lung is a broad incumbent serving overlapping customer segments to ISC with significantly greater scale and distribution.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@innerspacesystems7357
• Facebookfacebook.com/megccr
• Instagraminstagram.com/megalodonccr
• LinkedInlinkedin.com/company/innerspace-systems-corp.-isc-

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

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 InnerSpace Systems Corp