| AC Data Systems: Manufactures modular transient voltage surge suppression (TVSS) devices. |
| Advance Surge Suppressor: Manufacture transient surge suppressors, protectors, arrestors and power line conditioners. |
| Advanced Electronics: Manufacturer of surge protection for industrial, commercial and residential electrical service. |
| Advanced Lightning Technology: Manufacturers of grounding and lightning protection equipment. |
| Ahoku Electronic Company: Manufacturer of surge protectors, emi/rfi filters, travel converters, and fiber optic communication components. From Japan. |
| All South Lightning Protection, Inc.: Lightning protection and surge suppression. |
| Alltec Corporation: Manufacturer of lightning protection and grounding systems. USA. |
| Atlantic Scientific: Industrial surge protection and suppressors for wireless, tvss, networks, home, loadcenters. |
| Automatic Lightning Protection: Lightning Rods and information. Do it yourself lightning protection. |
| Circuit Components Inc.: Manufacturer of industrial grade line filtering, surge suppression, and surge protection devices for incoming power services, field and control room equipment. |
| Citel: Manufacturer of surge protection equipment suppressors for AC power lines, datacom and telephone equipment. Surge arrester gas tubes protect against lightning surges and electrical transients. |
| Clean Volt: Manufacturer of residential and commercial lightning arrestors. |
| Clearline: South African manufacturer of lightning and surge protection devices for office, home and factories. |
| Comm-Omni International: Lightning and transient surge protection products, filters and technical information including grounding. Free applications consulting. |
| Delta Lightning Arrestors: Some good information on lightning arrestors. |
| Ditek Corp.: Manufacturing surge protectors with on line catalog and shopping cart. |
| Eclips Professional Technical Systems: A major designer, manufacturer, and consulting experts in the field of TVSS (transient voltage surge suppression) |
| Elec-Saver Corporation: Manufacturers of transient voltage surge suppressor. |
| Electronic Specialists, Inc.: Manufactures protectors and interference filters for computers, modems, video, audio and industrial equipment. |
| Elpro International ltd.: Manufacture of surge arresters zinc oxide discs - surge arrester component, metal oxide varistors, isolators (disconnecting switches), alnico magnets both cast and sintered. |
| Ener/Tech: High performance electronic device which prevents damaging transient voltages from reaching and harming any electrical equipment. |
| Exothermic Welding: Manufacturer and exporter, from Thailand, of exothermic-welding materials (metal powder and graphite molds) for making electrical connections as in earthing (grounding) and lightning protection. |
| General Telecom, Inc.: Manufacturer of grounding equipment and wire screen partitions for the telecommunications industry. |
| Harger Lightning Protection: Full line supplier of lightning protection and grounding equipment for the communications and electrical industries. |
| Heary Bros.: Engineers, designers and manufacturers of lightning protection systems for buildings, factories and homes worldwide. |
| Innovative Technology, Inc.: Manufacturer of transient voltage surge suppression equipment. |
| Intermatic Inc.: Offering surge protection equipment. |
| International Thunderbolt Technology Limited: A Hong Kong based company specialized in design and manufacturing surge protective devices. |
| ITW Linx: Manufacturer of power and lightning surge protectors, plus engineering and manufacturing of custom, modular surge protectors for AC, telecom, data and wireless applications. |
| ITW Linx: Power and lightning modular surge protectors for telecom, data and AC equipment. Product specifications, articles related to surge protection, and list of distributors. USA. |
| Keeg International: Multi dimensional company in electronic manufacturing, lightning protection, power management and power supplies. |
| Kitagawa Electronics Pte Ltd: Manufacture a comprehensive range of EMI/RFI suppressors, ferrites, shielding materials and electronic components. |
| Kumwell Lightning Technology: Manufactures lightning protection, grounding systems, exothermic welding, electrical connections and grounding. |
| LEA International: Manufacturer of surge suppressors for commercial, industrial, broadcasting, and medical imaging applications. Searchable product database with PDF datasheets and representative contact information. |
| Lightning Experts: Provides static, surge and lightning protection for towers and high voltage applications. |
| Lightning Prevention Systems, Inc.: Manufacture and install static dissipation systems: grounding, surge protectors, and site inspections. Lightning protection for homes, buildings, towers, factories, petro facilities, and boats. Includes educational lightning |
| Lightning Protectors & Accessories, Inc.: Manufacturers gas-tube and quarter-wave coaxial surge arrestors, RF splitters for ISM and UNII wireless LAN, PCS, MMDS and cellular. |
| Lightning Rod Parts: Offers lightning protection equipment, surge arrestor and rods for self installation. |
| Lightning Technologies, Inc.: Provides lightning protection design, engineering and testing for advanced electrical, electronic and structural systems and facilities. |
| Magney Grande Distribution: Specializing in transient voltage surge suppression, power quality, and engineering consultation for naval shipboard, air station, oil production and drilling, and general industrial applications. |
| Maida Development Company: Manufacturers of zinc oxide varistors, multi-layer varistors, PTC and NTC thermisitors, and ceramic disk capacitors. |
| Meter-Treater, Inc.: Manufacturer of surge protective devices meter-based surge suppressor for residential, commercial applications as well as for signal, data and telephone interfaces. |
| MTL Surge Technologies: Manufacturers of industrial surge protection for networks, wireless, tvss and home entertainment. |
| NexTek, Inc.: Produces coaxial surge suppressors in N, 7-16 and other connectors. Frequencies to 12.5 GHz for 802.11 for telecom, commercial and military. Gas tube, quarter-wave and bias T products. |
| Northern Technologies, Inc.: Manufacture and offers surge protection and UPS devices for AC and DC, coaxial, telco and dataline electronic equipment. |
| Panamax: Online shopping site for Panamax surge protectors. |
| PowerTech: Distributor of transient voltage surge suppression products with information on products, warranty and contacts. |
| Prolect Enterprise: Supplies equipment to protect electronic system and equipment against transient overvoltages. Product photos and descriptions. Based in Singapore. |
| Psytronics, Inc.: Specialist in transient voltage surge suppressors, surge protectors and uninterruptable power supplies. |
| PT Aman Berkah Sejahtera: Providing lightning protection equipment. |
| Rabun Labs: Lightning protection systems for electronic equipment. |
| Sankosha Corporation: Manufacturer of gas discharge tubes for surge protection with an online catalog of these protectors. |
| Sollatek: Manufacture of surge, lightning and voltage protection. |
| Southland Power Protection: Surge and lightning protectors for all types of electronics computers and home entertainment systems, online shopping. |
| Stormin Protection Products Inc.,: Surge suppression equipment and information. |
| Surge-Solutions Limited: A provider of surge and lightning protection equipment. |
| Surge-X: Powerline surge suppressors, 110 and 220 v service models up to 20 amps. |
| Surgetech Ltd: Designers and manufacturers of surge protection components, voltage supressors, thermistors, and other components. UK. |
| Ta Wei Electric Works Co., Ltd.: Taiwan manufacturer of lightning arrester, isolators, armored rods, and grips for power distribution and transmission systems. |
| Tesco-Online: Manufactures surge and lightning protection equipment for protection for A/C power and communication systems. |
| Thor Lightning Protection Ltd: Design, installation and testing of lightning and earthing systems. |
| TopCan International Pte Ltd: Manufacturer of SLE lightning protection air-terminals and surge protectors. |
| Transtector Systems: Manufacturer of surge protectors. Product datasheets in PDF. |
| Tytewadd: Manufactures secondary surge and lightning arresters. |
| United Power: Surge suppression for electrical panels from 240 single phase to 480 three phase. |
| Volt Guard: Volt Guard has developed over 200 models of surge suppressors and surge protection equipment. |
| Voltex Electronics Ltd: Manufacturers of surge protection and filter units. Includes an online catalogue and FAQs. |
| W.J. Furse and Co. Ltd.: Lightning protection products. |
| WALLIS Technologies: Manufacturer of surge protection for all IT and electronic equipment. |
| Xian Amtech High Voltage Equipments Co., Ltd.: production of zinc oxide circular disc varistors and surge arresters with either silicone rubber casing (housing) or porcelain casing (housing). From China. |
| Zero Surge: Manufacturer of surge suppression equipment. |
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