GPR-Expert.com - The communications and power industries' most highly regarded website dedicated solely to protection of communications equipment and personnel from ground potential rise caused by power system faulting and lightning strike energy

Thunder Bolt a company which has developed a personal-safety storm/lightning exposure threat warning device which may save your life

Struck by Lightning.org an organization with the purpose to promote lightning and electrical safety education

Transtector  Surge protection equipment

Northern Technologies, Inc. Manufacturers of solid-state shunting devices for the power and communications industry:

Lightning Storm Dot Com view the current lightning map of the United States.

Lightning Injury Research Program An informational and educational tool for survivors of lightning strike and the physicians who treat them as well as a safety resource for those responsible for organizing outdoor activities

Conductive Concrete Distributor of Conductive Concrete to create high-quality ground in normally difficult conditions 

PolyPhaser Corporation   Has the best antenna grounding methodology in the USA.   Manufactures grounding equipment, coaxial cable protection equipment, telephone line protection equipment (shunting devices), and bulkhead panels.

North Carolina Association of County Commissioners  Founded in 1908, the North Carolina Association of County Commissioners is one of the most successful and active statewide local government associations in the nation.  Unlike many in this nation, they understand the dangers posed by lightning.

Harger Lightning Protection and Grounding Manufacturers since 1960

Global Atmospherics, Inc. Global Atmospherics provides lightning and thunder storm detection equipment and services worldwide.

University of Florida Lightning Research Group  Useful lightning research information.     

Article on Boat Lightning Protection