- APA - American Pyrotechnics Association - APA is trade association of the United States of America
- Chemring Australia - Manufacturer of safety systems, initiators, pyrotechnics countermeasures and pyromechanisms.
- Classifications of Fireworks in the U.S. - Bob Weaver explains the classification codes.
- IPSUSA - International Pyrotechnics Seminars, USA, Inc. - International Pyrotechnics Seminar USA, Inc.
- 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.
- Pyro Purity Test - How much of a pyro are you? Take this test to find out.
- Pyrotechnics - Stories about pyrotechnics, experiments, photo galleries.
- Ballistics (6)
- Civilian (0)
- Experimental Rocketry (19)
- Explosives (8)
- Fireworks (40)
- Military (3)