"Association of Experimental Rocketry of the Pacific" organizes regular high power rocket launches in Northern California and Nevada.

Information on motor construction, tooling and supplies.

Rocketry.Org maintains a large web database of suppliers for anything experimental rocketry enthusiasts could want, as well as a global rocketry organizations database and book lists.

Resources for amateur and experimental rocketeers.

Tutorials on amateur experimental rocketry, along with videos, launch reports, and pictures.

Real rocket science. With references and design equations.

Rocketry site for project parts you need.

Connecticut Tripoli and National Association of Rocketry. Lists launch information, recent launch photos, contact information or member application.

Publications, articles, software and discussion groups about chemical rocket motors.

Digital electronic firing systems for the model rocket enthusiast.

The Bay Area's Non-profit Liquid Fuel Rocket Engine Design and Test Team.

This site answers the question: What is high power rocketry?

A knowledge base containing information on experimental rocketry, regulations of various countries, and information on grant opportunities.

Reference resources about Jetex and Jet-X micro rocket motors and propellants, plus gas generator experiments and propellant development projects

NAR R and D Report

The NAR is the oldest and largest sport rocketry organization in the world.

An experimental rocket society, dedicated to liquid propulsion research.

The Chronicles of Experimental Rocketry. Contains several personal rocketry projects that go into detailed explanation that anyone starting in scratch-built rocketry might be interested in.

General information on what amateur experimental rocketry involves, and considerable specific information on motor and rocket design.

The Reaction Research Society is the oldest continuously operating amateur experimental rocket group in the United States.

SPASE is a UK high power rocketry team aiming to launch a rocket in to space.

SPL develops propulsion elements for sounding rockets like LOX valves, injectors, regeneratively cooled combustions chambers, igniters, propellant feeding systems and thrust test stands.

Information on how to build the SS67B-1 liquid propellant rocket engine.

Images and news from a rocket building private association aiming to launch the first amateur built rocket into space.

A group of high-power and experimental rocket enthusiasts in the desert southwest building magnificent things with the thinnest of resources.

Tripoli is a non-profit organization dedicated to the advancement and operation of non-professional high power rocketry. Tripoli has members in the United States and 20 countries around the world.

Experimental rocketry with small devices.