Weldon Pump
Weldon Pump, LLC is a privately held Ohio-based aerospace and defense manufacturer founded in 1942 that designs and produces precision fuel pumps, brushless DC motors, and valves for general aviation OEMs, aerospace and military primes, and industrial customers, supported by FAA/EASA/CAA Part 145 repair services and a global distributor network.
- Company typePrivate
- Founded1942
- HeadquartersOakwood, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Weldon Pump does
Weldon Pump, LLC is a privately held aerospace and defense precision components manufacturer established in 1942 as the Pump Division of the Weldon Tool Company, headquartered in Oakwood Village, Ohio. The company designs, engineers, and manufactures fuel system components—notably primary, boost/emergency, injection, hydraulic, fluid transfer, jettison, and thermal management pumps—alongside brushless DC motors (under its Motor Works sub-brand) and a line of inline check, regulator, relief, and drain valves (including Curtis-branded valves). Its products serve general aviation OEMs, aerospace and military primes, industrial customers, and emerging electric/thermal management applications, with technology grounded in CAD/FEA design, RTCA/DO-160 and Mil-Std qualification, FAA PMA approvals, AS9100D aerospace certification, and an in-house live fuel test lab for prototype and acceptance testing.
Weldon earns revenue primarily from hardware sales of designed-in OEM pumps, motors, and valves to aerospace customers including Cessna, Piper, Beechcraft, Cirrus, Diamond, Mooney, Airbus, Embraer, Bell Helicopter, Robinson Helicopter, and Boeing, as well as the US Department of Defense. Application-specific custom pumps for new development programs constitute the primary commercial motion, supplemented by FAA PMA-approved replacement parts (e.g., Duke's and Parker fuel pump replacements) sold through a worldwide distributor network of more than 20 regional partners spanning North America, the UK, South Africa, Australia, and Brazil. A secondary, recurring revenue stream comes from FAA, EASA, and UK CAA Part 145 repair and overhaul services (FAA #2WPR261B) co-located in the manufacturing facility, issuing 8130-3 Airworthiness Approval Tags.
The business model is a hybrid OEM-direct-plus-channel-partner GTM: direct enterprise sales to aerospace and defense primes for new programs and custom development, paired with regional aviation distributors (e.g., Aircraft Spruce, Adams Aviation, AIRPART, CJ Aerospace) for aftermarket reach. Pricing is not publicly disclosed and is quote-based on application specifications and volume, with multi-year OEM supply agreements typical. The 2023 facility modernization, expansion of the Motor Works brushless DC motor line, and the launch of thermal management products for electric aircraft battery cooling indicate active reinvestment for adjacent program capture, while the closely held LLC structure and 80+ year operating history suggest steady, capital-disciplined operations rather than venture-funded growth.
Weldon Pump firmographics
Firmographics- Name
- Weldon Pump
- Legal name
- Weldon Pump, LLC
- Website
- https://weldonpumps.com
- Company type
- Private
- Founded year
- 1942
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Weldon Pump, LLC is a privately held Ohio-based aerospace and defense manufacturer founded in 1942 that designs and produces precision fuel pumps, brushless DC motors, and valves for general aviation OEMs, aerospace and military primes, and industrial customers, supported by FAA/EASA/CAA Part 145 repair services and a global distributor network.
- Ownership category
- akta.pro rank
Weldon Pump industry classification
Industry- Product category
- Aerospace Fluid System Components
- NAICS
- Pump and Compressor Manufacturing (33391), Engine, Turbine, and Power Transmission Equipment Manufacturing (3336)
- SIC
- Pumps & Pumping Equipment (3561), Aircraft Engines & Engine Parts (3724), Aircraft Parts & Auxiliary Equipment, Nec (3728)
- akta.pro primary industry
- Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG)
Keywords
Where Weldon Pump is headquartered
LocationHeadquarters
- HQ city
- Oakwood
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Weldon Pump business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Personnel, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Fuel, Hydraulic, Metering, and Thermal Management Pumps: Primary revenue stream from design and manufacture of custom and standard fuel pumps for aviation, military, ground support vehicles, and UAVs. Products include primary fuel pumps, boost/emergency pumps, injection pumps, hydraulic pumps, fluid transfer pumps, jettison pumps, and thermal management pumps.
- Motors (Brushless DC): Aerospace-grade brushed and brushless motors for pump drive motors, environmental control systems, cabin/cargo doors, munitions, turrets, flap drive, hoists, and custom drive motors. Sold as standalone products through Motor Works division.
- Valves: Wide-ranging line of valves for aviation, military, ground support vehicles, and UAVs including inline check valves, regulator valves, inline relief valves, fuel drain valves, and oil drain valves.
- FAA/EASA/CAA Repair Services: Repair station services for Weldon pump/motor assemblies offering repairs and overhauls with latest product configurations and superior warranty. Issues FAA 8130-3 Airworthiness Approval Tags.
- PMA Replacement Parts: FAA PMA (Parts Manufacturer Approval) replacements for Duke's and Parker fuel pumps for current and legacy General Aviation aircraft.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom OEM pumps - application-specific pricing |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels3 records
Weldon Pump product offering
Product offeringCore offering
Weldon Pump designs, engineers, and manufactures precision fuel system components for aviation, military, ground support vehicles, and UAVs. The company's core product lines include fuel/hydraulic/metering/thermal management pumps, brushed and brushless DC motors (under the Motor Works sub-brand), and a line of valves (including the Curtis Valves product line). Weldon also operates an FAA/EASA/CAA certified repair station providing overhauls and FAA 8130-3 airworthiness approvals for its pump and motor assemblies.
Product overview
Weldon Pump is a leading designer and manufacturer of precision fuel system components, offering three core product lines: Fuel Pumps (including Primary Fuel Pumps, Boost/Emergency Pumps, Injection Pumps, Hydraulic Pumps, Fluid Transfer Pumps, Jettison Pumps, and Thermal Management Pumps), Motors (under the Motor Works sub-brand featuring Brushless DC motors for aerospace and military applications), and Valves (including Inline Check Valves, Regulator Valves, Relief Valves, and Drain Valves under the Curtis Valves product line). The company also provides FAA/EASA/CAA Repair Station Services (FAA #2WPR261B) for repairs and overhauls. Product series include the 18000 Series, JL/J Series, and ABE Series pumps. The portfolio includes both OEM supplied products and PMA replacement pumps for the general aviation market. These products serve markets across General Aviation, Aerospace OEM/Military, Industrial, and Thermal Management applications.
Differentiator
Problem solved
Functional benefit
Brands
- WELDON HIGH PERFORMANCE: A sub-brand focused on high-performance applications, with a separate website at weldonracing.com.
- Motor Works
Products and services
- Fuel Pumps Leading product line of fuel, hydraulic, metering, and thermal management pumps for aviation, military, ground support vehicles, and UAVs. Includes Primary Fuel Pumps, Boost/Emergency Pumps, Injection Pumps, Hydraulic Pumps, Fluid Transfer Pumps, Jettison Pumps, and Thermal Management Pumps. Customized to meet specific new development requirements. Product series include 18000 Series, JL/J Series, and ABE Series pumps.
- Brushless DC Motors (Motor Works) Aerospace and military brushless DC motors designed for pump drive motors, environmental control systems, cabin and cargo doors, munitions, turrets, flap drive, hoists, and custom drive motors. Features two-wire simplified design for drop-in replacement of brushed motors, integral electronic controller with current limiting, stall protection, over-temperature shutdown, and bus ripple monitoring. FAA PMA approved and DO-160 tested.
- Valves (including Curtis Valves) Wide-ranging line of valves for aviation, military, ground support vehicles, and UAVs including Inline Check Valves, Regulator Valves, Inline Relief Valves, Fuel Drain Valves, and Oil Drain Valves. The Curtis Valves sub-line includes the Curtis Gold T-Valve and other valve configurations rated for Aviation Gasoline, Diesel Fuel, Jet Fuels, and Hydraulic Fluids with Mil-Std testing. Custom engineered to meet specific requirements.
- Thermal Management Systems Thermal management systems for military avionics and supplemental cooling systems, including battery cooling for electric and hybrid aircraft. Uses positive displacement volumetric pumps for managing thermal needs of electric aircraft, with products for liquid cooling systems, battery cooling, and supplemental cooling for radar and avionics.
- FAA/EASA/CAA Repair Station Services FAA #2WPR261B certified repair station providing repairs and overhauls on Weldon pump/motor assemblies. Offers latest product configuration and upgrades, superior warranty, detailed analysis, extensive acceptance testing, and FAA 8130-3 Airworthiness Approval Tags. Also holds EASA Part 145 and UK 14 CFR Part 145 Repair Station certifications.
- PMA Replacement Pumps FAA PMA approved replacement pumps for Duke's and Parker fuel pumps, supporting current and legacy General Aviation aircraft with durable materials and a focus on longevity and safety. Distributed through a global network of aviation parts distributors.
Quantifiable outcome
- Supplies fuel pumps to nearly every general aviation manufacturer worldwide
- +2 more outcomes
Companies that use Weldon Pump
Customer profileNamed customers13 records
Segments6 records
Ideal customer profiles3 records
Weldon Pump technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Weldon Pump partnerships and signals
Strategic signalPartnerships
20 partnerships are on record, tiered regional and core.
- Absolute AviationregionalSouth Africa-based distributor for Weldon Pump products serving the African aviation market.
- Adams AviationregionalDistributor for Weldon Pump products.
- Aerospares AccessoriesregionalDistributor operating at fuelpumpsupply.com for Weldon Pump products.
- Air Power INCregionalRegional distributor for Weldon Pump products.
- Aircraft AccessoriesregionalOklahoma-based distributor for Weldon Pump products.
- Aircraft Spruce & Specialty Co.coreMajor aviation parts distributor for Weldon Pump products serving general aviation market.
- AIRPARTregionalUK-based distributor for Weldon Pump products serving European markets.
- AIRPARTS COMPANY INC.regionalUS-based distributor for Weldon Pump products.
- APS - Aviation Part ServiceregionalRegional distributor for Weldon Pump products.
- Aviation Parts Executive, Inc.regionalRegional distributor for Weldon Pump products.
- BoeingcoreBoeing distributes Weldon Pump products through their aviation supply shop.
- Global Aviation Piper PartsregionalSpecialized distributor for Piper aircraft parts including Weldon Pump products.
- Jackson Jet CenterregionalRegional distributor for Weldon Pump products.
- KADEX Aircraft Parts and ServicesregionalRegional distributor for Weldon Pump products.
- Quality Aircraft AccessoriesregionalRegional distributor for Weldon Pump products.
- Southern Cross AviationregionalRegional distributor for Weldon Pump products.
- CJ AerospaceregionalAustralia-based distributor for Weldon Pump products serving the Australian aviation market.
- J.P. Martins AviaçãoregionalBrazil-based distributor for Weldon Pump products serving the Brazilian aviation market.
- SAYWELLregionalUK-based distributor for Weldon Pump products serving UK markets.
- Superior Air Parts Pty LtdregionalAustralia-based distributor for Weldon Pump products.
Scale indicators4 records
Recent moves8 records
Expansion highlights5 records
Weldon Pump competitors and assessment
Company assessmentDirect peers
- Parker Hannifin (Aerospace division): Major aerospace fuel pump, valve and fluid system supplier and a direct competitor; Weldon explicitly produces FAA PMA replacements for Parker fuel pumps on legacy GA aircraft.
- Duke's Aerospace (Tyee Aircraft / AFE Aerospace): Specialty aerospace fuel pump manufacturer serving GA and military; Weldon's PMA line directly replaces Duke's pumps, making it the closest head-to-head competitor in the legacy GA pump market.
- Crane Aerospace & Electronics: Designs and manufactures aerospace fluid management, fuel and hydraulic components for OEMs and military; competes directly with Weldon's pump and valve offerings in aviation and defense.
- Moog Inc. Designs precision motion control products including aerospace pumps, valves and motors; overlaps with Weldon's pump and Motor Works product lines in military and commercial aviation.
- Hydro-Aire (Crane Co.): Crane subsidiary focused on aerospace fuel, hydraulic and pneumatic components for military and commercial aircraft; competes with Weldon in fuel pumps, valves and related fluid systems.
Broad incumbents
- Honeywell Aerospace: Tier-1 aerospace systems integrator with a broad fuel and propulsion portfolio; competes with Weldon on engine-driven fuel pumps and auxiliary power systems across commercial, business and military platforms.
- Collins Aerospace (RTX): Large diversified aerospace supplier with fuel, pneumatic and thermal management systems; competes with Weldon on integrated fuel system components and increasingly on electric aircraft thermal management.
- Eaton Aerospace: Supplies aerospace valves, fuel and hydraulic system components across commercial and military platforms; overlaps with Weldon's Curtis Valves product line and broader valve offering.
- Triumph Group: Tier-1 aerospace structures and systems supplier with fuel and hydraulic system content across commercial, business jet and military platforms; competes for similar OEM and DoD programs.
Others
- Aerospace Turbine Rotables (Aero Turbines / Turbine Weld): Note: Weldon shares branding heritage with the broader 'Weldon' family (e.g., WELDON HIGH PERFORMANCE racing brand at weldonracing.com); while not a direct competitor, the shared name can create brand and IP adjacency considerations relevant to any acquirer or partner.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Weldon Pump social profiles
Digital presenceWeldon Pump compliance and trust
Trust signalCompliance8 records
Weldon Pump financial estimates
Financial estimateRevenue estimate
Valuation estimate
Weldon Pump leadership team
Management profileNumber of profiles
Weldon Pump funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Weldon Pump 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 Weldon Pump
What does Weldon Pump do?
Weldon Pump designs, engineers, and manufactures precision fuel system components for aviation, military, ground support vehicles, and UAVs. The company's core product lines include fuel/hydraulic/metering/thermal management pumps, brushed and brushless DC motors (under the Motor Works sub-brand), and a line of valves (including the Curtis Valves product line). Weldon also operates an FAA/EASA/CAA certified repair station providing overhauls and FAA 8130-3 airworthiness approvals for its pump and motor assemblies.
Is Weldon Pump a public or private company?
Weldon Pump is a private company. It is classified as unknown and is currently operating.
When was Weldon Pump founded?
Weldon Pump was founded in 1942. It employs 101 to 250 people.
Where is Weldon Pump based?
Weldon Pump is headquartered in Oakwood, United States, in the North America region.
How does Weldon Pump make money?
Five revenue lines are on record. Fuel, Hydraulic, Metering, and Thermal Management Pumps are the primary driver. The others are motors (Brushless DC), valves, FAA/EASA/CAA Repair Services and PMA Replacement Parts.
Who are Weldon Pump's main competitors?
Direct peers on record are Parker Hannifin (Aerospace division), Duke's Aerospace (Tyee Aircraft / AFE Aerospace), Crane Aerospace & Electronics, Moog Inc. and Hydro-Aire (Crane Co.). Broad incumbents are Honeywell Aerospace, Collins Aerospace (RTX), Eaton Aerospace and Triumph Group. Aerospace Turbine Rotables (Aero Turbines / Turbine Weld) is listed as an others.
Does Weldon Pump have an API?
No public API is recorded for Weldon Pump.
What industry is Weldon Pump in?
Weldon Pump's product category is Aerospace Fluid System Components. Its primary akta.pro industry code is IMAHANAG, Pump & Compressor Packages (Skids, Booster Sets). Its NAICS code is 33391 and its SIC code is 3561.