Because of the recent discovery of the Hagerstown, MD supercharger, I think it's time for Maryland's own thread. Please post any and all information regarding superchargers in Maryland here.
Here is the permit link to the Hagerstown supercharger, courtesy of paulkva:
https://www.velocityhall.com/accela/velohall/index.cfm?city=WASHINGTON+COUNTY&state=MARYLAND
Here is the permit link to the Hagerstown supercharger, courtesy of paulkva:
https://www.velocityhall.com/accela/velohall/index.cfm?city=WASHINGTON+COUNTY&state=MARYLAND