Brand Electronics Plug & Play Digital Power Meter
BEP Marine Marine Products 
Blue Sea   Marine Grade Meters, Electronics, Shunt shifter
BP Solar  Solar Panels
Danby Products Modern Household Appliances
Elite Solar System Tubular Skylights & Attic Fans
Energy Systems & Design  Micro-hydroelectric components
Exeltech Makers of true Sinewave inverters
Imtra Corporation Imtra is the premier systems supplier to builders, service yards and boat owners.
Industrial Battery Engineering High Capacity Industrial Type for deep cycle operation
IOTA Engineering,  AC/DC Power Converters.
Laing Thermotech, Inc. AC and DC Pumps
Marinco Marine Equipment
Morningstar  Charge Controllers
Mastervolt   Innovative power systems for autonomous use 
MK Batteries one of the largest sealed lead acid battery distributors
Outback Power Systems ETL listed balance of system products.
Parallax (MagneTek)  RV Power Converters, power centers integrating AC/DC
Peerless-Premier  manufacturer of gas and electric ranges
Samlex Small Inverters
Shurflo  DC water Pumps
SMA  Grid Tied inverters
Southwest Windpower Makers of the AIR Wind Module and Windseeker wind generators
Sun Frost  The world's most elegant refrigerators. . . are also the world's most energy efficient
Sun-Mar Composting Toilets
Surrette Battery Company Limited  Deep Cycle Batteries
Tripp-Lite  Tripp Lite Power Protectionare
Universal Power Group  Maker of Universal Batteries
Xantrex Manufactures of  Inverters