Lightning protection equipment, namely, charge dissipation terminals, early streamer emission terminals, lightning strike counters, conventional air terminals and bases, lightning protection conductors, and component parts therefore sold as a unit; grounding and bonding equipment, namely, electrolytic ground rods, ground enhancing backfill, grounding and bonding cables, bus bars, ground plates, jumpers, ground and signal reference grids, copper clad and stainless steel ground rods, retractable bonding assemblies consisting primarily of electric conductive cable and clamp and component parts therefor sold as a unit; surge protection devices, namely, surge suppressors and transient voltage surge protectors; and active floating roof tank monitoring systems designed to monitor electrical resistance between a floating roof tank's roof and the tank shell ground consisting primarily of a resistance measuring instrument; Engineering Services in the fields of lightning protection equipment, namely, equipment designed to reduce the likelihood of lightning strike damage and equipment designed to dissipate lightning strike energy, grounding and bonding equipment, namely, materials and equipment designed to reduce contact resistance to ground, and surge protection devices, namely, surge suppressors and transient voltage surge protectors
