American Pacific Corporation (AMPAC)
is a company with divisions and
subsidiaries that manufacture active
pharmaceutical ingredients and
registered intermediates, energetic
products used primarily in space flight
and defense systems, clean fire-
extinguishing agents and water
treatment equipment.
AMPAC Fine Chemicals (AFC) 
Producer of active pharmaceutical
ingredients (APIs) and registered
intermediates.
Western Electrochemical Company (WECCO)
WECCO offers variety of perchlorates,
primarily for use in space flight and
defense systems.
Halotron Division
Halotron offers lean fire extinguishing
agents with numerous applications.
American Azide Corporation (AAC)
The sole producer of sodium azide
in North America.
AMPAC In-Space Propulsion
Manufacturer of in-space propulsion
systems, thrusters and propellant
tanks.
AMPAC-ISP UK Limited
Designs, manufactures and tests liquid
rocket engines for international
customers.
PEPCON Systems (PSI or PEPCON)
Manufacturer and distributor of
water treatment equipment, including
odor control and water disinfection
systems.