L J Engineering
L. J. Engineering is a U.S. precision instrumentation manufacturer in Huntington Beach, California, producing vacuum regulators, digital vacuum and pressure gauges, and military parachute activation devices. It serves aerospace, defense, semiconductor, biotechnology, and medical device customers worldwide.
- Company typePrivate
- Founded-
- HeadquartersHuntington Beach, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What L J Engineering does
L. J. Engineering, Inc. is a privately held U.S. precision instrumentation manufacturer headquartered in Huntington Beach, California, employing 11-50 people. The company designs and manufactures mechanical and electronic vacuum regulators, digital vacuum and pressure gauges, and military parachute activation devices, with numerous U.S. Patents across the product portfolio. Its core technology centers on proportional valve servo control loops, absolute and differential pressure referencing, and high-resolution digital sensing, with flagship products including the Model 329 mechanical regulator (+/-0.01 in-Hg precision), Model 470/484/487 electronic regulators with analog control signal input, DVG/DPG digital gauges at +/-0.25% full-scale accuracy, and the Model 451 AR2 all-mechanical automatic parachute activation device.
The company's go-to-market is direct sales via phone and a website contact form, with quote-based pricing for both standard and OEM configurations. OEM gauge modules are supplied to other manufacturers for integration into their own products. Customer concentration spans U.S. military branches (Army, Air Force), NASA, Boeing, Spectrolab, GE Medical Systems, BIO-RAD, Molecular Devices, ASML, and Lake Shore Cryotronics across aerospace and defense, semiconductor equipment, biotechnology, medical devices, and cryogenic instrumentation. The Model 451 AR2 is Type Classified by the U.S. Military and NASA breathing regulators were used on Space Shuttle and Apollo missions, establishing long-tenured defense and aerospace credentials.
Revenue mechanics are hardware sales of standalone units and OEM components, supplemented by calibration certificate fees and custom product development for special customer requirements. The company maintains in-house machine shop, assembly/test, and engineering capabilities supporting bespoke orders. Marketing is conducted exclusively through the corporate website and direct navigation, with no social media, paid advertising, or third-party distribution partners identified.
L J Engineering firmographics
Firmographics- Name
- L J Engineering
- Legal name
- L. J. Engineering, Inc.
- Website
- https://ljengineering.com
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- L. J. Engineering is a U.S. precision instrumentation manufacturer in Huntington Beach, California, producing vacuum regulators, digital vacuum and pressure gauges, and military parachute activation devices. It serves aerospace, defense, semiconductor, biotechnology, and medical device customers worldwide.
- Ownership category
- akta.pro rank
L J Engineering industry classification
Industry- Product category
- Precision Vacuum and Pressure Control Instrumentation
- NAICS
- Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413)
- SIC
- Aircraft Parts & Auxiliary Equipment, Nec (3728)
- akta.pro primary industry
- Vacuum Systems & Components (Vacuum Pumps, Ejectors, Cups, Grippers) (IMAHAGAN)
- akta.pro secondary industry
- Aerospace Actuation, Hydraulics & Pneumatics Components (IMABANAC)
Keywords
Where L J Engineering is headquartered
LocationHeadquarters
- HQ city
- Huntington Beach
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
L J Engineering business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Hardware Product Sales: Sale of precision vacuum regulators, digital vacuum gauges, pressure gauges, and military parachute equipment. Products sold as standalone units (standard models) or OEM components for integration into customer systems.
- Custom Product Development: Custom product development services for special customer requirements and specifications. Company operates complete manufacturing facility including machine shop, assembly/test area, and engineering team for new product development.
- Calibration Services: Calibration certificates showing actual test values available for a nominal charge for digital gauges.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels2 records
L J Engineering product offering
Product offeringCore offering
L J Engineering designs and manufactures precision vacuum regulators (both analog and digital), pneumatic flow control devices, and digital vacuum/pressure gauges for industrial customers. The company also produces patented military parachute activation devices and custom-engineered pneumatic and vacuum solutions for aerospace, semiconductor, medical, and defense applications. Manufacturing and engineering are based in Huntington Beach, California, supported by a portfolio of U.S. patents covering the company's core technologies.
Product overview
L. J. Engineering is a precision vacuum and pressure control instrumentation manufacturer serving industrial and military markets. Their product portfolio consists of three main categories: Mechanical Vacuum Regulators (Model 329 series with various configurations including self-relieving and remote filter options), Electronic Vacuum Regulators (Models 470, 484, 487 with analog control signal capability and flow boosters), and Digital Vacuum/Pressure Gauges (DVG and DPG series available in standard and OEM versions). For military applications, they produce automatic activation devices for parachutes (AR2 series), electronic test chambers for altitude simulation, and digital altimeter test equipment. All products are manufactured in their Huntington Beach, CA facility and are backed by numerous U.S. Patents.
Differentiator
Problem solved
Functional benefit
Products and services
- Precision Vacuum Regulators (Analog & Digital) Precision vacuum regulators available in both analog and digital configurations for industrial processes requiring accurate and repeatable vacuum control. Used by aerospace, semiconductor, and medical device manufacturers, and by laboratory and production engineering teams.
- Pneumatic Flow Controllers Patented pneumatic flow control devices that regulate airflow for industrial and OEM applications. Designed for buyers needing precise, repeatable flow control in pneumatic systems, including aerospace, semiconductor, and medical device manufacturers.
- Digital Vacuum/Pressure Gauges Patented digital vacuum and pressure gauges providing electronic readout of vacuum and pressure levels. Sold to industrial process engineers, lab personnel, and OEMs needing reliable digital measurement of vacuum and pressure.
- Military Parachute Activation Devices Patented parachute activation devices used to initiate paratrooper parachute deployment. Supplied to U.S. military and defense OEM customers as safety-critical, specification-qualified hardware.
- Custom-Engineered Vacuum and Pneumatic Solutions Bespoke engineering of vacuum and pneumatic control solutions tailored to specific OEM requirements. Targeted at aerospace, semiconductor, medical device, and defense customers whose applications cannot be met with standard catalog products.
Quantifiable outcome
- Precision vacuum control to +/-0.01 in-Hg
- +3 more outcomes
Companies that use L J Engineering
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles2 records
L J Engineering technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
L J Engineering partnerships and signals
Strategic signalScale indicators1 record
Recent moves6 records
Expansion highlights4 records
L J Engineering competitors and assessment
Company assessmentBroad incumbents
- Parker Hannifin: Parker Hannifin's Motion & Control Technologies segment manufactures pneumatic components, vacuum regulators, and flow control devices at industrial scale—overlapping products with much broader portfolio and global footprint.
- Honeywell International: Honeywell's Aerospace segment produces a wide range of aircraft components and life support equipment, comparable to L J Engineering's military and aerospace products at much larger scale and broader scope.
- Festo: Festo is a global leader in pneumatic and automation technology including vacuum components, regulators, and valve systems. Their industrial automation portfolio overlaps with L J Engineering's pneumatic flow control offerings.
- ITT Inc. ITT's Motion Technologies and Connect & Control platforms produce aerospace components, actuation systems, and flow control devices, comparable to L J Engineering's aerospace actuation products including parachute activation devices.
- SMC Corporation: SMC is the world's largest pneumatic component manufacturer including vacuum regulators, filters, and pressure control equipment, overlapping with L J Engineering's industrial vacuum regulation products at much larger scale.
- Circor International: Circor manufactures flow control products including precision valves and regulators for aerospace, defense, and industrial markets, with comparable instrumentation and control products serving similar customer applications.
Direct peers
- Airborne Systems: Airborne Systems designs and manufactures parachute systems and components for military and commercial markets, directly comparable to L J Engineering's military parachute activation device and test equipment business.
- Clippard Instrument Laboratory: Clippard manufactures miniature pneumatic components, electronic valves, and vacuum control devices. Their precision pneumatic focus and OEM configurations directly parallel L J Engineering's product positioning.
- Beswick Engineering: Beswick Engineering designs and manufactures miniature pneumatic components, vacuum regulators, and pressure control devices, closely comparable in product scope to L J Engineering's pneumatic flow control and vacuum regulation lines.
- MKS Instruments: MKS Instruments manufactures precision vacuum and pressure control instruments, gas delivery systems, and measurement solutions serving semiconductor, industrial, and life sciences customers—a direct match to L J Engineering's vacuum regulation and digital gauge portfolio.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
L J Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
L J Engineering leadership team
Management profileNumber of profiles
L J Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
L J Engineering 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 L J Engineering
What does L J Engineering do?
L J Engineering designs and manufactures precision vacuum regulators (both analog and digital), pneumatic flow control devices, and digital vacuum/pressure gauges for industrial customers. The company also produces patented military parachute activation devices and custom-engineered pneumatic and vacuum solutions for aerospace, semiconductor, medical, and defense applications. Manufacturing and engineering are based in Huntington Beach, California, supported by a portfolio of U.S. patents covering the company's core technologies.
Is L J Engineering a public or private company?
L J Engineering is a private company. It is classified as unknown and is currently operating.
When was L J Engineering founded?
L J Engineering was founded in -1. It employs 11 to 50 people.
Where is L J Engineering based?
L J Engineering is headquartered in Huntington Beach, United States, in the North America region.
How does L J Engineering make money?
Three revenue lines are on record. Hardware Product Sales are the primary driver. The others are custom Product Development and calibration Services.
Who are L J Engineering's main competitors?
Broad incumbents on record are Parker Hannifin, Honeywell International, Festo, ITT Inc., SMC Corporation and Circor International. Direct peers are Airborne Systems, Clippard Instrument Laboratory, Beswick Engineering and MKS Instruments.
Does L J Engineering have an API?
No public API is recorded for L J Engineering.
What industry is L J Engineering in?
L J Engineering's product category is Precision Vacuum and Pressure Control Instrumentation. Its primary akta.pro industry code is IMAHAGAN, Vacuum Systems & Components (Vacuum Pumps, Ejectors, Cups, Grippers), with a secondary code of IMABANAC, Aerospace Actuation, Hydraulics & Pneumatics Components. Its NAICS code is 336413 and its SIC code is 3728.