Wattz Electronics

Wattz Electronics was a prominent corporation before the war, manufacturing many types of electrical/electronic products.

Products
Wattz products actually usable in Fallout 1, 2 & New Vegas include:
 * C-U model motion detector
 * C-Radz model Geiger counter
 * Small energy cells
 * Micromanipulator FingerStuff electronic lock pick
 * Micromanipulator FingerStuff electronic lock pick MK II
 * Play-It-For-Me tape recorder
 * Wattz Electronics holodisk tape
 * Model 2043B radio communicator
 * Farmer's Best Friend model cattle prod
 * Wattz 1000 laser pistol
 * Wattz 2000 laser rifle

Some of these may receive non-factory upgrades (which one may assume voids the warranty).

Additional items that can be seen include:
 * Wattz Electrobox Generator

Behind the scenes
Wattz appears to be based on large pre-WWII companies like Westinghouse, General Electric, and RCA. Of course, the "watt" is a standard unit of power named for scientist James Watt, inventor of the reciprocal motion steam engine.

Wattz Electronics