APELC

What APELC does

APELC is a privately-held U.S. manufacturer founded in 1998 and headquartered in Austin, Texas, specializing in high-power pulsed-power electronics for defense, testing and evaluation (T&E), academic research, and select commercial applications. The company's core technology centers on Marx Generator architectures — pulsed-power capacitor discharge systems that produce nanosecond-rise-time, high-voltage transients used to recreate electromagnetic threat environments such as High-Altitude EMP (HEMP), High-Power Microwave (HPM), and Ultra-Wideband (UWB) pulses. Its flagship offerings are MIL-STD-461G RS-105 compliant HEMP simulator systems (1m and 2m EUT configurations), a deep catalog of Marx generators spanning Direct RF, Triggering, HPM/Pulse Charging, Flash X-Ray, and MIL-STD variants, and ancillary high-voltage components including 700 kV quick-disconnect coaxial connectors, trigger generators, terminations, power and control racks, d-dot/B-dot diagnostics, and a control and data-acquisition software package.

The company supports the Department of Defense (notably a 2m RS105 simulator installation at Naval Information Warfare Center Pacific in 2024), Department of Energy national laboratories (including Los Alamos), and university research programs funded through DURIP, STTR, and MURI grants. Business model is direct, consultative enterprise sales: highly engineered systems are configured to customer specifications and priced via quote-based, multi-year procurement contracts under ISO 9001:2015 quality management. Revenue streams are primarily one-time equipment sales supplemented by service, field testing support, and R&D partnership work. There is no public pricing, no third-party distribution, and no disclosed outside equity capital.

Name

APELC

Legal name

Applied Physical Electronics, L.C.

Website

https://apelc.com

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

11–50 employees

Short description

APELC designs and manufactures Marx generator-based pulsed-power systems and MIL-STD-461G RS-105 HEMP simulators for the U.S. Department of Defense, national laboratories, and university research programs.

Ownership category

akta.pro rank

Product category

Pulsed Power / EMP Testing Equipment

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro industry

PRIMARYIMAGADAH

High-Voltage & High-Power Conversion (HVDC supplies, traction/rail converters, large rectifiers)

Industrials, Manufacturing & Construction/Electrical Equipment & Industrial Electronics/Industrial Power Electronics (Inverters, Converters, UPS, Power Supplies)

Keywords

• Pulsed power systems
• EMP simulators
• High-voltage equipment
• HEMP testing
• Marx generators

Headquarters

HQ city

Spicewood

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pulsed Power Equipment Sales: APELC sells specialized Marx generators, HEMP simulators, high-voltage components, and associated test systems. Systems are sold as turn-key products with options for custom configurations. The company also manufactures custom cable assemblies and connectors for high-voltage applications.
2. Service and Support: After-sale service and support including troubleshooting, field testing expertise, machining, CAD/CAM programming, and support for legacy systems. Field support includes mobile test range and high-speed diagnostics support trailer for on-site testing.
3. Research and Development Partnership: R&D collaboration with customers including government agencies and universities, supported through programs like DURIP grants, STTR, and MURI. APELC serves as technology transfer partner, consultant, equipment supplier, or manufacturing partner.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

APELC (Applied Physical Electronics, L.C.) designs and manufactures pulsed power equipment, including Marx generators (MG10–MG83 series), MIL-STD-461G RS-105 HEMP simulators in 1m and 2m EUT configurations, high-voltage quick-disconnect coaxial connectors rated up to 700 kV DC, trigger generators, terminations, power and control racks, diagnostics, and data acquisition software. The company sells turn-key systems and supporting components to defense agencies, government laboratories, and university research institutions for electromagnetic threat testing and high-voltage pulsed power applications.

Product overview

APELC offers a specialized portfolio of pulsed power products centered on Marx Generator technology for electromagnetic threat testing. The core product line includes Marx Generators across multiple series (Direct RF, Triggering, HPM/Pulse Charging, Flash X-Ray, MIL-STD) serving defense, testing and evaluation, and commercial industries. Supporting this are RS105 HEMP simulator test systems in 1m and 2m EUT configurations for MIL-STD 461G compliance testing, plus high-voltage components including trigger generators, terminations, coaxial connectors up to 700 kV, power and control racks, and diagnostic probes. The company's offerings integrate Control and Data Acquisition Software for automated testing and reporting. APELC's products recreate accurate threat-level waveforms (HEMP, UWB, HPM) to help customers test vulnerabilities against electromagnetic threats.

Differentiator

Problem solved

Functional benefit

Products and services

• Marx Generator Product Line A family of specialized pulsed power Marx generators in multiple configurations (MG10 through MG83 series) for Direct RF, Triggering, HPM/Pulse Charging, Flash X-Ray, and MIL-STD applications; used by defense, testing and evaluation, and commercial customers to create accurate threat-level waveforms.
• 2m EUT Test System (RS105-2) MIL-STD-461G RS-105 compliant HEMP simulator with a 2m x 4m x 4m EUT test volume, delivering field strengths of 5–60 kV/m and 1.8–2.8 ns rise-time pulses for testing naval and defense subsystems against E1 high-altitude electromagnetic pulse threats.
• 1m EUT Test System (RS105-1) MIL-STD-461G RS-105 compliant HEMP simulator with a 2m x 2m x 1m EUT test volume, utilizing compact Marx generator technology to deliver field strengths up to 55 kV/m for HEMP compliance testing.
• High-Voltage Coaxial Connectors Quick-disconnect high-voltage cable connectors rated up to 700 kV DC, with nickel-plated brass or aluminum construction, integrated strain relief, canted spring contacts, and high-visibility safety indication for pulsed power systems.
• Trigger Generator High-voltage trigger unit that delivers the trigger pulse to Marx generators through a pulse-forming circuit for controlled discharge activation in pulsed power systems.
• Terminations Coaxial load terminations used to absorb high-voltage, high-power pulse delivery without radiating equipment, configured for Marx generator and test system setups.
• Power & Control Racks Fully integrated power and control units delivering turnkey packages for pulsed power systems, including positive and negative high-voltage power supplies for use with Marx generators and test systems.
• Control and Data Acquisition Software Software that increases user safety and reduces testing time by calculating required Marx and peaking circuit charge voltage and air-pressure, automatically acquiring reference and EUT waveforms from oscilloscopes, scaling them by calibration factors, and producing push-button test reports.
• High-Speed Current Diagnostics Integrated diagnostic capabilities including d-dot and B-dot probes for measuring electric fields inside test volumes and reference voltages at generator outputs in Marx-based pulsed power systems.

Quantifiable outcome

• Field strengths up to 60 kV/m achievable in EUT test volumes
• +4 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Naval Information Warfare Center (NIWC) PacificcoreStrategic or Co-development Partner · 1 April 2024APELC partnered with NIWC Pacific in San Diego to install a 2m RS105 HEMP simulator for testing Naval subsystems against simulated E1 high-altitude electromagnetic pulse per MIL-STD-461G RS-105. APELC engineers worked directly with NIWC personnel, provided installation drawings for anchor points, performed system installation and commissioning, and provided training on operation and calibration of the system.

Scale indicators5 records

Expansion highlights5 records

Broad incumbents

• Keysight Technologies: Keysight is a global leader in electronic test and measurement instrumentation. While it does not compete directly in high-voltage EMP simulators, it competes for the broader electrical T&E budget and shares customers in defense and EMC testing labs.
• L3Harris Technologies: L3Harris is a large defense prime with significant electromagnetic test, EW, and directed-energy capabilities. It competes with APELC for portions of DoD EMP T&E and hardening program work, but as part of a much broader portfolio rather than a focused pulsed-power niche.
• BAE Systems: BAE Systems operates across electronic warfare, survivability, and electromagnetic testing for DoD customers, making it an adjacent incumbent that could pursue EMP-hardening and T&E work comparable to APELC's programs.
• General Atomics: General Atomics operates in pulsed-power, electromagnetic launch, and directed-energy programs for DoD customers. It overlaps with APELC in high-energy pulsed-power engineering but serves a much broader defense and energy portfolio.
• Northrop Grumman: Northrop Grumman has substantial directed-energy, EW, and EMP-related defense programs and could compete with or acquire specialty pulsed-power firms. Comparable because of overlap in EMP/EW defense customer relationships rather than direct product competition.
• Textron Systems: Textron Systems delivers electronic systems, sensors, and EW-related hardware for DoD and allied customers. It is comparable because it serves the same defense T&E and survivability buyer base that drives APELC's EMP simulator sales.
• Curtiss-Wright Defense Solutions: Curtiss-Wright supplies rugged electronic subsystems, including power conditioning and high-voltage modules for defense platforms. It is comparable as a defense electronics incumbent that could expand into EMP-hardened power and test subsystems adjacent to APELC's offerings.

Direct peers

• Berkeley Nucleonics: Berkeley Nucleonics manufactures high-voltage pulse generators, nuclear instrumentation, and timing systems, overlapping with APELC's pulsed-power and trigger-generation offerings for defense and research customers.
• Directed Energy Inc. Directed Energy Inc. designs and manufactures pulsed-power systems, Marx generators, and high-voltage components for defense, EMP testing, and research — directly overlapping APELC's core product portfolio and customer base in pulsed power electronics.
• Scientific Applications & Research Associates (SARA): SARA develops pulsed-power hardware, directed-energy systems, and electromagnetic test equipment for DoD and national-laboratory customers, making it a close peer to APELC in EMP/HPM test technology and high-voltage pulsed-power engineering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/appliedphysical
• LinkedInlinkedin.com/company/apelc

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 APELC