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Last updated: February 2026
This directory lists 65 surge arrester manufacturers across the United States, from specialized MOV block producers to vertically integrated system providers offering complete arrester assemblies.
Buyers are primarily solving for reliable overvoltage protection, whether it's safeguarding high-voltage transformers in a substation, protecting sensitive equipment on a distribution feeder, or ensuring the integrity of long transmission lines. The core problem is finding manufacturers who can consistently produce arresters with precise residual voltage characteristics and robust energy absorption capability, crucial for effective insulation coordination against lightning strikes and switching surges.
The spectrum of manufacturers in this space includes those focused solely on metal oxide varistor (MOV) block production, offering these critical components to assembly houses; firms specializing in complete arrester assembly, utilizing either their own or outsourced MOV blocks within various housing types; and larger, integrated companies that provide a full range of station, intermediate, and distribution class arresters for diverse utility and industrial applications. Their distinguishing factors often lie in their R&D investment, testing facilities, and breadth of certified product lines.
When approaching these suppliers, buyers should come prepared with detailed system specifications, including maximum continuous operating voltage (MCOV), rated voltage, desired line discharge class, and any specific environmental or mechanical requirements. Suppliers will expect to see comprehensive technical data, historical performance needs, and projections for volume and delivery schedules to accurately quote and assess feasibility.
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65 companies nationwide
Based in Sterling, MA, Space Age Electronics, Inc. manufactures transient voltage surge suppressors and various modular components for fire, life safety, and building system solutions. The company provides code-compliant integration accessories and specialty detection products.
ACT Communications Inc. is an engineering-driven US manufacturer specializing in power quality products, including AC and DC surge protection. They also build a full range of telecom products, custom electrical assemblies, and OEM electronics. Serving residential, commercial, industrial, telecom, and OEM markets, all products are 100% made in America.
Based in Phoenix, AZ, Arc Antenna manufactures UL certified and listed coaxial surge suppressors. These lightning arrestors are engineered for 50 ohm wireless RF systems, supporting frequencies from 100 MHz to 3.5 GHz, catering to various commercial and industrial applications.
Based in Port Richey, FL, Bad Wolf LLC manufactures surge protective devices (SPDs) for various applications. The company offers solutions for home, marine, generator, solar panels, and EV chargers. Their products feature multi-stage surge protection and high surge current ratings to defend electrical equipment from voltage spikes and extend equipment life.
Nextpower manufactures surge protection devices, including 1500 VDC PV DIN Rail models, designed to safeguard photovoltaic power supply networks against lightning surge voltages. They partner with clients from design to operations, offering logistics and installation support for solar projects.
Based in San Antonio, TX, Bourns, Inc. manufactures diverse electronic solutions. The company specializes in circuit protection technologies, providing components for overvoltage and overcurrent protection, directly relevant to surge arresters. Bourns delivers reliable, innovative products to customers solving complex challenges across various industries globally.
Based in Logan, UT, Campbell Scientific, Inc. designs and manufactures rugged measurement systems and instruments for research and industry. The company produces specific devices, including 24 V surge protectors for analog lines, ensuring reliable data collection in harsh environments through its state-of-the-art technology.
Based in Plainfield, IN, Capitol Electronics specializes in lightning prevention and weather monitoring. The company offers the CMCE Lightning Suppressor, an advanced system designed to prevent lightning strike formation and protect assets. They provide integrated technological products for public safety, emergency notification, and mass warning solutions.
Citel Inc, based in Miramar, FL, is a specialist manufacturer of overvoltage protection and surge protection devices (SPDs). They offer a comprehensive range of surge arresters for industrial sites, covering AC and DC power, dataline, RF, and photovoltaic systems, catering exclusively to professional clients.
Based in Shakopee, MN, CyberPower Systems manufactures professional-grade power protection equipment. Their product lines feature surge-protected outlets, transformer-spaced outlets, data line protection, and EMI/RFI noise filters. The company provides a full range of power management solutions for various applications.
Based in Big Spring, TX, Delta Lightning Arrestors manufactures silicon surge arresters to protect electrical equipment from lightning and power surges. Their advanced arrestors operate without a series resistor or spark gap, providing fast, bidirectional current conduction for homes, PV systems, oil wells, and sensitive electronics.
E-T-A Engineering Technology manufactures a comprehensive range of overcurrent protection products, including circuit breakers, electronic circuit protectors, and solid state relays. The company also provides intelligent power distribution systems, serving various industrial and commercial applications with robust solutions.
Based in Salt Lake City, UT, Environmental Potentials manufactures surge protection devices and comprehensive power quality solutions. The company utilizes patented waveform correction technology, surge protection, and low pass filtration to protect industrial and residential facilities from harmful electrical surges and improve system efficiency.
GE Vernova manufactures critical components for surge arresters, utilizing its unique metal oxide varistor (MOV) formulation and a gapless construction. The company provides innovative solutions to create real impact within the electric power sector, supporting next-generation investments.
Based in Grayslake, IL, Harger manufactures comprehensive lightning protection equipment and solutions for bonding and grounding. Their product lines include grounding busbars, conductors, mechanical grounding components, and patented UltraShot® exothermic welding technology, designed to protect sensitive equipment and lives.
Larson Electronics is a US-based manufacturer of industrial lighting, power distribution, and power protection equipment. They specialize in a wide range of surge arresters, transformers, and hazardous location lighting solutions, serving industrial, commercial, and government sectors from their facility in Kemp, TX.
Based in Huntington Beach, CA, Lightning Diversion Systems specializes in the design, development, and production of innovative lightning protection devices. They manufacture segmented lightning diverter strips and surge suppressors for the aerospace, defense, and wind turbine markets, adhering to AS9100:D and ISO 9001:2915 standards.
Based in Goleta, CA, Lightning Protection Corp. designs, develops, and manufactures a comprehensive range of lightning and surge protective devices. The company specializes in AC power surge protectors and other protective equipment, serving various industries with their advanced protection solutions.
Based in Baldwin Park, CA, Meritek Electronics manufactures advanced circuit protection devices, including GDTs, spark gaps, and varistors, utilized as surge arresters. They also produce passive components and semiconductors. Meritek offers solutions for diverse applications like IoT, industrial controls, automotive, and power supplies.
Based in Storm Lake, IA, Merrill Manufacturing Company specializes in producing lightning arrestors designed to protect pump systems from damaging high-voltage electrical surges. The company offers economy and heavy-duty models, providing reliable surge protection for various applications.
Based in Arlington, WA, MidNite Solar Inc. manufactures Type 2 Surge Protective Devices (SPDs) for indoor and outdoor applications, offering a five-year warranty. They also produce advanced solar inverters, such as the Rosie, and MPPT charge controllers, including the Barcelona and Hawke's Bay models, all made in the United States.
Based in North Billerica, MA, Nextek specializes in the manufacturing of high-performance lightning and surge protection devices. The company provides these essential solutions for a wide range of radio and electronic systems, ensuring robust defense against electrical surges.
Based in Middletown, PA, Phoenix Contact manufactures a wide range of products, including surge protection devices. They specialize in solutions for internal and external lightning protection, safeguarding power supplies, data, and signals in various systems.
PolyPhaser manufactures innovative and reliable RF surge protection and filtering solutions. Their product line includes AC, DC, and data surge protectors, featuring platforms like DC Pass, DC Block, Bias T, and Ultra Low PIM. These solutions are designed to safeguard critical electronic equipment.
Based in San Diego, CA, PQ Global manufactures voltage surge protection devices for critical equipment. The company provides solutions for data centers, industrial facilities, bank branches, and point of sale systems, safeguarding computerized equipment from costly voltage transients.
Prolec, based in Shreveport, LA, manufactures surge arresters and a comprehensive line of transformer solutions for electrical energy generation, transmission, and distribution. They also provide power transformer service solutions and supply high/low voltage transformer parts, operating manufacturing facilities within the United States.
Based in Tempe, AZ, ProTek Devices is a semiconductor company that manufactures a comprehensive product line of circuit protection devices. Their solutions protect electronics designs worldwide against lightning, electrostatic discharge (ESD), electrical fast transients (EFT), and nuclear electromagnetic pulses (NEMP).
Based in Irvington, NJ, Richards Manufacturing specializes in medium voltage products, connectors, and network products for various applications. The company manufactures components crucial for electrical infrastructure, including those related to natural gas networks, ensuring reliable and safe power distribution.
Based in Campbell, CA, Ross Engineering Corporation designs and manufactures a wide range of high voltage electronic and electro-mechanical devices, including relays, probes, and switches. They offer calibration capabilities up to 400kV lightning impulse, serving power utility, power electronic, and laboratory industries with precision safety and measurement equipment.
Siemens Energy is a manufacturer specializing in medium- and high-voltage surge arresters for a broad spectrum of standard and specialized applications. With a history in this field dating back to 1925, the company is actively investing in the United States to create highly skilled jobs and strengthen the power grid.
SPD Depot, a division of Power Quality International, manufactures surge protection devices (SPDs) for residential, commercial, and industrial applications. Based in Eden Prairie, MN, the company produces Type 1 and Type 2 SPDs, offering protection for electronic equipment against lightning surges and destructive transient voltages.
Based in Bristol, VA, Swartz Engineering has nearly 50 years of experience in industry safety, specializing in protection systems. The company manufactures DC surge arresters using metal oxide varistors. Their products are specified for energy distribution, automation, communication, and traction power substations worldwide, built to challenging environments.
Based in Richmond, VA, THOR Systems, Inc. specializes in high-quality surge protection for critical power applications. The company provides effective solutions for diverse industrial and commercial sectors, including renewable energy, industrial automation, data centers, medical, and HVAC, enhancing electrical power quality and system performance.
Based in Winter Park, FL, Total Protection Solutions (TPS) is a US manufacturer specializing exclusively in surge protection products. With 30 years of experience, TPS produces high-end systems for commercial, industrial, and residential electrical distribution, telecommunications, and data systems.
Based in Mifflintown, PA, Transient Protection Design manufactures surge protection solutions for various industrial and residential applications. Their products protect critical equipment like generators, CNC machines, and breaker panels, effectively reducing maintenance, minimizing downtime, and increasing equipment lifespan.
Transtector manufactures U.S.-engineered surge protection solutions for AC, DC, and data applications. Their high-performance products are BABA-compliant and FDOT-approved, serving sectors like BEAD, NEVI, ITS, EV charging, and rail. They also offer a wide selection of NOM-certified protectors for the Mexican market.
Based in Woodridge, IL, Tripp Lite (Eaton) manufactures premium-grade surge protectors. These devices are designed to protect valuable equipment from power surges, adding extra power outlets for use in computer rooms, workbenches, repair shops, labs, and test areas. The company provides reliable power protection for various industrial and commercial applications.
WAGO USA manufactures overvoltage protection products for reliable safeguarding of electrical equipment and electronic systems against high voltages. The company offers a comprehensive range of efficient industrial solutions for diverse sectors, including automotive, building technology, energy, lighting, marine, and railway systems.
Lightning Protection Corporation California, based in Corpus Christi, TX, specializes in lightning and surge protective devices. The company provides comprehensive solutions designed to safeguard electrical systems and sensitive equipment from voltage spikes and lightning strikes for commercial and industrial applications.
nVent manufactures electrical connection and protection solutions, encompassing surge protection devices, switchgear, and bus systems. The company provides engineered building solutions, including substation control buildings and modular data centers, safeguarding critical electrical and network infrastructure.
Based in Mechanicsburg, PA, Prosurge, Inc. manufactures a range of high-quality surge protective devices (SPDs). Their offerings include thermally protected MOVs, UL 1449 certified SPDs, and DIN-rail and panel SPDs for AC/DC power supply applications, ensuring maximum safety.
Sankosha U.S.A., Inc. develops and manufactures Ceramic Gas Tube Surge Arresters (GDTs) for circuit protection. For over 75 years, they have provided GDTs to protect personnel and equipment from high transient voltages. Their durable gas tube arresters serve various sectors including consumer electronics, modems, satellite, industrial, and telecom applications.
Based in Chino, CA, Versa Technology, Inc. manufactures PoE surge protectors designed to safeguard PoE switches, PDs, and other IP devices from lightning and electrical interference. The company provides a range of Power over Ethernet solutions, including switches, extenders, and injectors for commercial and industrial applications.
SurgeX, a brand of AMETEK Power Quality Solutions, manufactures advanced series mode surge protection technology. They provide true surge protection devices, EMI/RFI noise filtration, and power management solutions for businesses. The company is ISO 9001:2015 certified, focusing on quality electrical power protection and monitoring.
Advanced Products & Systems LLC provides high-performance Surge Protective Devices (SPDs) and system applications. They specialize in robust protection for electronics and electrical equipment. The company emphasizes their SPDs' superior effectiveness against diverse damaging surge types, offering advanced solutions for maximum security.
Based in Sarasota, FL, Edco is a manufacturer of telecom surge protection products designed for primary, secondary, and security applications. They provide robust solutions to safeguard electronic equipment from transient voltage surges, offering various products including specific plug-in models like the Islatrol SP-6TVN.
Based in Largo, FL, DITEK Surge Protection is a US-based manufacturer specializing in high-quality Surge Protective Devices (SPDs). They design and produce a comprehensive range of surge arresters for AC and DC power, data, signal, and CCTV applications, serving residential, commercial, and industrial markets.
Based in Torrington, CT, East Coast Lightning Equipment (ECLE) manufactures high-quality, reasonably priced lightning protection equipment, including surge arresters. Their Made in USA products are sold across North America, Central America, and the Middle East.
Based in High Ridge, MO, H-J Enterprises provides protective devices for transformer designs, including fuse coordination tools and other electrical solutions. The company serves various industries, showcasing its products and services at major power and energy trade shows. H-J Enterprises is ISO 9001:2015 certified.
Based in Fort Mill, SC, Maclean Power Systems (MPS) manufactures a variety of distribution and transmission line arrester products. The company specializes in over-voltage protection solutions, safeguarding electric systems from excessive voltage for utility and industrial applications.
Based in Oxnard, CA, Myers Power Products designs and manufactures robust electrical distribution products. They offer a comprehensive range of surge protection devices (SPDs), including Type 1 and Type 2, specifically designed to protect critical equipment from transient overvoltages. The company serves utility, commercial, industrial, and transportation sectors.
Rockwell Automation manufactures advanced industrial automation components and solutions. They produce Bulletin 4983-DS DIN Rail AC Surge Protective Devices, designed to clamp high-voltage surges using Metal Oxide Varistors (MOVs) and connected in parallel. The company provides specific products and solutions across numerous global regions, including the United States.
Based in North Salt Lake City, UT, Lyncole, a division of VFC Lightning Protection, engineers lightning resilient solutions. They provide comprehensive lightning protection, grounding systems, and surge suppression solutions. Serving facilities, infrastructure, and businesses globally, Lyncole offers intelligent smart solutions to enhance safety and operational resilience.
Weidmann Electrical Technology manufactures advanced MOV technology for superior surge mitigation, alongside durable silicone housing for reliable surge arresters. The company provides specialized insulation technology and accessories to the global energy sector, supporting the transformer industry.
Weidmüller provides comprehensive surge protection solutions tailored for industrial and process automation, as well as building automation applications. Their offerings include devices designed for confined spaces, ensuring reliable protection against surges for various systems.
3M manufactures a wide range of industrial products, including specialized surge arresters. Their 3M Elbow surge arrester provides shielded deadfront protection for equipment and underground assets, capable of handling maximum operating voltages of 35 kV.
APT Power, based in Lafayette, IN, manufactures low and medium voltage switchgear, advanced power systems, and related components. They produce surge protection devices, including the APT Surge Snubber, specifically designed to protect medium voltage generators and transformers from insulation damage.
Hubbell Incorporated, based in Shelton, CT, manufactures PDV-100 Optima surge arresters. Designed for 2.5 to 36 kV systems, these products exceed IEEE C62.11 standards, providing reliable over-voltage protection for critical infrastructure. The company has delivered trusted solutions since 1888.
Based in Spring Grove, IL, Intermatic, Inc. designs and manufactures a comprehensive range of electrical controls and energy management solutions. The company specializes in producing surge protective devices (SPDs), timers, and photocontrols for residential, commercial, and industrial applications, safeguarding electrical systems and equipment.
Schneider Electric is a global specialist in energy management and automation, providing integrated solutions for homes, buildings, data centers, and industrial applications. The company manufactures a comprehensive range of electrical distribution products, including advanced surge protective devices (SPDs) and surge arresters.
Siemens manufactures high-quality surge protection solutions for commercial and industrial electrical systems. The company provides advanced products designed to safeguard critical infrastructure and equipment from electrical surges. Siemens also develops digital twin technology, empowering virtual testing and optimization for diverse industries.
Leviton Manufacturing Co., Inc. produces a variety of electrical wiring devices and solutions. The company manufactures Type 2 Surge Protective Panels (SPDs) designed for safeguarding electrical systems. Their product portfolio also includes connected dimmers, smart breakers, smart switches, USB chargers, and electric vehicle charging stations.
Generac, based in Waukesha, WI, manufactures power generation equipment and energy solutions. The company directly produces Surge Protection Devices (SPDs), acting as surge arresters. These devices protect electronics from power surges caused by unstable utility grids, severe weather, and lightning strikes, serving diverse residential and industrial markets.
Toshiba manufactures high-voltage surge arresters, ranging from 69 kV to 765 kV. These arresters are engineered to deliver superior protection across a wide range of applications, ensuring reliability and safety for critical power infrastructure.
Mersen is a global expert in electrical power and advanced materials, providing a wide range of circuit protection products. They offer solutions for original equipment manufacturers and panel builders, directly manufacturing components in the US.
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Residual voltage, also known as protective level, is the voltage that appears across the arrester terminals when a surge current flows through it. It's a critical parameter because it dictates how much voltage the protected equipment will experience during a surge. Lower residual voltage means better protection for your equipment, but it must be carefully coordinated with the system's insulation withstand capabilities to prevent nuisance operations.
IEEE C62.11 is the dominant standard for surge arresters in North America, while IEC 60099-4 is widely used internationally. While both define testing procedures and performance requirements, there are differences in terminology, test sequences, and specific rating methodologies. Your choice should align with the geographical region of deployment and the prevailing utility or industrial specifications in that area to ensure regulatory compliance and interoperability.
Polymeric (silicone rubber) housings offer advantages like lighter weight, increased resistance to vandalism, superior hydrophobic properties (reducing flashovers in contaminated environments), and non-shattering characteristics, enhancing safety. Porcelain housings, while traditionally used, are heavier, prone to shattering, and require regular cleaning in polluted areas. The choice often depends on environmental conditions, mechanical stress considerations, and specific utility preferences.
The line discharge class (I-V, referring to the number of energy absorption tests) quantifies an arrester's capability to absorb and dissipate energy from long-duration switching surges, such as those caused by energizing or de-energizing transmission lines. A higher line discharge class indicates a greater energy handling capability, which is crucial for protecting high-voltage equipment in large substations or on extensive transmission systems where significant energy dissipation is required.
Temporary Overvoltage (TOV) refers to an increase in voltage above the maximum continuous operating voltage (MCOV) for a short duration, typically caused by fault conditions, load rejection, or ferroresonance. The TOV withstand rating of an arrester specifies the maximum voltage and duration it can tolerate without permanent damage. Ensuring the arrester's TOV capability exceeds potential system TOV events is vital for preventing arrester failure and ensuring long-term reliability.
For critical substation assets and high-voltage transmission lines, implementing arrester monitoring solutions (e.g., leakage current monitors, surge counters, or even thermal monitors) is highly recommended. These provide real-time or periodic data on the arrester's health, track cumulative energy absorption, and can signal potential degradation, allowing for proactive maintenance or replacement before a catastrophic failure occurs. Many reputable manufacturers offer or integrate these solutions.