When I was an electrical contractor I installed quite a few surge arrestors at sewage plants and remote pumping stations and the ones most often specified by engineers are made by Advanced Protecion Technologies.
http://www.apttvss.com/ The easiest to install is a 220V single phase unit that protects the entire house. Turn off a breaker in the outside power panel, loosen the two screws and place the units leads under the screws and tighten. Ground the unit's green ground wire to the ground bus and turn the breaker back on. The entire house is protected.
I believe they even have units that protect telephone lines.