IPSUSA - International Pyrotechnics Seminars, USA, Inc.
International Pyrotechnics Seminar USA, Inc.

APA - American Pyrotechnics Association
APA is trade association of the United States of America

Pyrofx Fireworks Portal
News and information on pyrotechnics and fireworks.

AFP - Association Francaise Pyrotechnie
French Pyrotechnics Association. Emphasis is military and civilian pyrotechnics. It is good to note differences in the definition of what is considered pyrotechnics.

PGI - Pyrotechnics Guild International
Worldwide membership organization dedicated to the advancement of safety, skill, and artistry in pyrotechnics. For all ages, both professionals and amateurs.

IPS - International Pyrotechnics Society
The Society for International Pyrotechnicians. Each year the IPS organises a symposium.

British Pyrotechnics Society
A source of information and interest to people interested in the operation, and construction of fireworks and pyrotechnic devices.

About.com: Chemistry of Firework Colors
Discusses incandescence and luminescence and provides table of compounds used to produce firework colors. Links to related sites included.

Classifications of Fireworks in the U.S.
Bob Weaver explains the classification codes.

Pyro Purity Test
How much of a pyro are you? Take this test to find out.

Magnesium
Properties of magnesium, magnesium alloys and applications to pyrotechnics.

Pyrotechnics
Stories about pyrotechnics, experiments, photo galleries.

Thermodinamics of explosion
Scientific model of explosion thermodynamics.

The Fireworks Website
Fireworks listing, tutorial, downloads, etc.