Exclusion(s): Establishments primarily engaged in:

*rewinding armatures or rebuilding electric motors (33531, Electrical Equipment Manufacturing); *repairing and overhauling aircraft at the factory (33641, Aerospace Product and Parts Manufacturing); *repairing and overhauling railroad engines and cars at the factory (33651, Railroad Rolling Stock Manufacturing); *repairing and overhauling ships at the shipyard (33661, Ship and Boat Building); *repairing and servicing aircraft in a hangar (48819, Other Support Activities for Air Transportation); *repairing and servicing railroad cars and engines in a railroad yard (48821, Support Activities for Rail Transportation); and *repairing and overhauling ships at floating dry docks (48839, Other Support Activities for Water Transportation).