Marine Air Supply

What Marine Air Supply does

Marine Air Supply is a privately held, Woman-Owned Small Business (WOSB) founded in 1980 and headquartered in Frederick, Maryland. The company operates as an authorized distributor of electro-mechanical components—including switches, relays, circuit breakers, fuses, connectors, and supporting hardware—serving aerospace, maritime, defense, transportation, and energy industries across more than 100 countries. Its catalog spans 50,000+ components sourced through authorized partnerships with manufacturers such as Safran, Eaton, Crouzet, Otto Controls, APM Hexseal, Electroswitch, Linemaster, Mechanical Products, and Glenair. The company has supported the U.S. Department of Defense with MIL-SPEC-compliant components for six decades and offers dedicated MIL-SPEC packaging as a service line.

The company monetizes primarily through one-time distribution of components on a quote-based pricing model, supplemented by value-added services including custom assembly, build-to-spec engineering, and MIL-SPEC packaging for defense applications. Its go-to-market is sales-led, combining direct sales engagement (anchored by a VP of Sales) with an e-commerce storefront and a Request a Quote workflow. Differentiated capabilities include decades of MIL-SPEC compliance experience, WOSB certification that provides preferential treatment in government contracting, and value-added assembly services that sit alongside pure distribution. The company invests modestly in digital marketing via website, product catalogs, line cards, and LinkedIn/Facebook/X accounts.

Marine Air Supply is family-owned, with Laura Mullen as President since founding and John Mullen as Executive Vice President since 1981. The executive team is intentionally lean—VPs of Quality (since 1988), Sales (since 2010), and Operations (since 2020)—reflecting a compact operating model focused on relationship-driven distribution rather than scaled headcount. The company maintains no external funding, no acquisitions, no disclosed subsidiaries, and operates from a single headquarters location.

Name

Marine Air Supply

Legal name

Marine Air Supply

Website

https://marineairsupply.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

Marine Air Supply is a privately held, Woman-Owned authorized distributor of 50,000+ electro-mechanical components—including switches, relays, circuit breakers, and MIL-SPEC hardware—serving aerospace, defense, maritime, transportation, and energy customers across 100+ countries.

Ownership category

akta.pro rank

Product category

Industrial Electro-Mechanical Components Distribution

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Electrical Equipment Manufacturing (33531), Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413), Aerospace Product and Parts Manufacturing (33641)

SIC

Wholesale-Electronic Parts & Equipment, Nec (5065), Wholesale-Electrical Apparatus & Equipment, Wiring Supplies (5063), Electronic Components & Accessories (3670)

akta.pro primary industry

Marine MRO Parts & Consumables Distribution (TLAKAOAJ)

akta.pro secondary industries

Marine Power Generation & Energy Storage (Generators, Batteries, UPS) (IMAJAJAB), Integrated Marine Electrical Systems & Switchboards (IMAJAJAA)

Keywords

• Electro-mechanical components distribution
• MIL-SPEC switches and relays
• Aerospace defense components
• Authorized industrial distributor
• Value-added electro-mechanical assemblies

Headquarters

HQ city

Frederick, MD

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Electro-mechanical Components Distribution: Distribution of 50,000+ electro-mechanical components including switches, relays, circuit breakers, fuses, connectors, and related hardware to aerospace, maritime, defense, transportation, and energy industries. Operates as an authorized distributor for major manufacturers.
2. Value-Added Services: Custom assembly services, build-to-spec solutions, and MIL-SPEC packaging services for specialized customer requirements.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Marine Air Supply is an authorized distributor of electro-mechanical components, offering a catalog of more than 50,000 SKUs including switches, relays, contactors, circuit breakers, fuses, connectors, switch guards, seals, illuminated components, avionics and pilot controls, communication headsets, LEDs and lamps, and supporting hardware. The company also provides value-added assembly services, build-to-spec engineering support, and MIL-SPEC packaging for aerospace, defense, maritime, transportation, and energy customers.

Product overview

Marine Air Supply is an authorized distributor of electro-mechanical components, offering a catalog of 50,000+ products across multiple categories. The portfolio includes switches (toggle, pushbutton, limit, basic, rocker, foot), switch guards, seals & boots, relays & contactors, circuit breakers, illuminated switches & indicators, avionics & pilot controls, control grips, communication & headsets, LEDs & lamps, fuses, connectors, and hardware accessories. The company serves as a value-added assembly partner and offers MIL-SPEC components for aerospace, defense, maritime, transportation, and energy industries. Marine Air Supply operates as an authorized distributor partnering with manufacturers including Safran, Otto, Eaton, Crouzet, Advanced Micro Lites, APM Hexseal, AT Components, Electroswitch, Linemaster, and Mechanical Products.

Differentiator

Problem solved

Functional benefit

Products and services

• Switches (Toggle, Pushbutton, Limit, Basic, Rocker, Foot)

Quantifiable outcome

• Deliveries to 100+ countries worldwide
• +1 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Twelve partnerships are on record, tiered core.

• Safran Power USAcoreTechnology or IntegrationAuthorized distributor partnership for Safran Power USA switches, relays, and related electro-mechanical components.
• Safran Electronics & Defense Avionics USAcoreTechnology or IntegrationAuthorized distributor for Safran Electronics & Defense Avionics products including foot switches and avionics components.
• Eaton Vehicle Control Business UnitcoreTechnology or IntegrationAuthorized distributor for Eaton VCBU products including circuit breakers, connectors, and terminal hardware.
• Bussmann by EatoncoreTechnology or IntegrationAuthorized distributor for Bussmann fuses and fuse panels including RTMR assemblies.
• CrouzetcoreTechnology or IntegrationAuthorized distributor for Crouzet switches and electromechanical components.
• Otto ControlscoreTechnology or IntegrationAuthorized distributor for Otto Controls switches and control components.
• ElectroswitchcoreTechnology or IntegrationAuthorized distributor for Electroswitch products.
• APM HexsealcoreTechnology or IntegrationAuthorized distributor for APM Hexseal sealing products and switch guards.
• Advanced Micro LitescoreTechnology or IntegrationAuthorized distributor for Advanced Micro Lites (AML) illuminated components.
• Linemaster Switch CorporationcoreTechnology or IntegrationAuthorized distributor for Linemaster foot switches and controls.
• Mechanical ProductscoreTechnology or IntegrationAuthorized distributor for Mechanical Products switches and circuit breakers.
• Cooper Bussmann LLCcoreTechnology or IntegrationAuthorized distributor for Cooper Bussmann fuses and electrical protection devices.

Scale indicators3 records

Recent moves6 records

Expansion highlights10 records

Direct peers

• Powell Electronics: Authorized distributor specializing in MIL-SPEC connectors and electromechanical components to aerospace, defense, and maritime customers. Closely comparable to Marine Air Supply based on MIL-SPEC focus, authorized distribution model, and shared OEM partners (Glenair, Eaton).
• PEI-Genesis: Value-added distributor and assembler of connectors and electromechanical components serving aerospace, defense, and industrial markets. Comparable to Marine Air Supply for its authorized distribution model, value-added assembly services, and defense-heavy customer base.
• PEI-Genesis (Connector & Switch Division): Strong overlap in switches, relays, and circuit breakers with build-to-print capabilities for aerospace/defense — directly comparable to Marine Air Supply's MIL-SPEC switch and breaker portfolio.
• Bisco Industries: Authorized distributor of electronic components and fasteners serving aerospace, defense, and industrial OEMs. Comparable to Marine Air Supply in product breadth (switches, relays, hardware) and authorized distribution model with similar vertical focus.
• Heilind Electronics: Authorized distributor of electronic components including switches, relays, and circuit protection across aerospace, defense, and industrial markets. Direct comparable to Marine Air Supply's authorized distributor model and electromechanical product mix.
• Air Electro: Authorized distributor specializing in MIL-SPEC electrical connectors, switches, and components for aerospace and defense. Closely comparable to Marine Air Supply's MIL-SPEC distribution focus and defense customer base.

Broad incumbents

• Future Electronics: Major global authorized distributor of electronic and electromechanical components with extensive aerospace and defense coverage. Comparable to Marine Air Supply in authorized distribution model and product breadth, but at a much larger scale.
• Arrow Electronics: Global broad-line electronic components distributor serving aerospace, defense, and industrial markets. Comparable to Marine Air Supply in product categories but operates at substantially larger scale with broader portfolio.
• TTI Inc. One of the largest authorized distributors of electronic components globally, including relays, switches, and circuit protection. Comparable to Marine Air Supply in authorized distribution model but at much broader scale and across all major verticals.

Others

• Crouzet (manufacturer partner): Manufacturer of switches, relays, and electromechanical components that is a listed distribution partner of Marine Air Supply. Relevant as the upstream supplier relationship that defines the authorized distribution model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xtwitter.com/MarineAirSupply
• Facebookfacebook.com/Marine-Air-Supply-134312149952656
• LinkedInlinkedin.com/company/marine-air-supply

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Marine Air Supply