| 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. |
| 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. |
| 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. |
| WALLIS_Technologies Manufacturer of surge protection for all IT and electronic equipment. |
| W_J__Furse_and_Co__Ltd_ Lightning protection products. |
| Xian_Amtech_High_Voltage_Equipment_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. |
| Metropolitan_Burglar_and_Fire_Alarm_Association Provides training courses for New York State licensing, sales, and installers. New York City, New York. |
| National_Training_Center Provides online and classroom training for the low voltage industry. Specializing in NICET training, the National Fire Alarm Code, and CCTV design and installation. |
| Accurate_Electrical_Estimating Providing professional electrical estimating and consulting services, using all major software estimating systems. |
| Allen_Estimating_Services The company provides construction estimates for any size or type project in any location at inexpensive hourly or per-job rates. |
| Bar-Cal Providing structural and mechanical contract estimate services for the steel fabricating industry. |
| Build-A-Quote Construction estimates for new buildings, extensions, refurbs, garages, landscaping and flats. |
| Building_Journal Construction directory using the 2004 construction specification institute masterformat. |
| Construction_Bookstore Books, tapes, software and references for professional builders, construction contractors and sub-contractors, and do-it-yourself construction projects. |
| Construction_Cost_Estimates Providing estimates of construction costs for commercial, residential, civil and institutional works. |
| Construction_Cost_Estimating_Net Offers construction estimating products including calculators, software, books and site inspection tools. |
| Construction_Estimating_Institute Training and development of management skills, continued education programs and improved cost estimating techniques. Course listings and schedules; online course in basic math. |
| Construction-Cost_com Links to selected sites providing material prices on the web. |
