Includes listings for manufacturers of AC power supplies, static inverters, frequency converters, line regulators and conditioners in a variety of configurations and types for commercial, industrial, bench, or laboratory use.

Includes listings for manufacturers of primary and secondary (rechargeable) batteries and fuel cells, chargers, and accessories.

Power supplies that are not available by a general power supply manufacturer.

Includes listings for manufacturers of DC power supplies and DC to DC converters in various types and configurations such as single or multiple output, linear or switched mode, fixed or programmable, open frame, encapsulated, enclosed/modular, or lab or system supplies.

This category contains sites for companies whose primary business is providing design, consulting, and contracting services in the area of power supply and power electronics design.

Sites for companies whose primary business is manufacturing power supply and power electronics products are located in Business : Electronics and Electrical : Power Supplies
Sites for companies whose primary business is providing engineering services for substation and transmission related companies are located in Business : Electronics and Electrical : Substation and Transmission : Engineering

This category contains companies that primarily service the high voltage needs of OEM's. These companies primarily deal with high voltage supplies, suitable for industrial, medical, and accelerator systems. 07/10/00

This category will list manufacturers of inverters and the companies that support these manufacturers.

This category will list companies that purchase products from Producers and Manufacturers in bulk and resell it without transformation to re-sellers. The Wholesalers and Distributors that will be listed in this category are associated with electronic power supplies. Companies that provide services to these Wholesalers and Distributors will be listed here. This category will not list Manufacturers' Representatives, Retailers.