We summarize the results of the extended gauge group working group of the Madison-Argonne Workshop on Present and Future Colliders. Contributions are described on the previously unexamined two photon fusion production of heavy leptons, new studies of $Z$ couplings to $ u bar{ u}$ and $qbar{q}$, and previously unexplored vector leptoquark production. More detailed accounts of these studies can be found in individual contributions.
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