- Encapsulation Technologies
 - Uses a passive aerosol fogging technique to eliminate airborne radioactivity and fix contamination remotely. - Globe Gas Corporation
- Long Beach - Propane installation and delivery services for Long Beach and the rest of Los Angeles, San Bernardino, and Orange Counties.
- GO Solar Company
- North Hollywood - Design, installation, and service of solar electrical and heating equipment.
- International Energy Services Company (IESCO)
- San Pedro - Provides nondestructive examination and analysis services to the petroleum, petrochemical, and power industries.
- Powerzinc Electric, Inc.
- City of Industry - Develops zinc-air fuel cells for electric powered vehicles.
- Sun-Mate Corporation
- Canoga Park - Specialising in solar-powered consumer products such as radios, hats, and battery chargers, as well as solar panel, cells, and Bill Nye the Science Guy kits.
- Sunpower Systems
- Canoga Park - Manufactures and markets fully integrated solar charged cellular phone batteries.
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