Constellation Holdings INC is a local Electric Services, NEC business based in Baltimore, MD.
This phone number has been independently verified as the best phone number by GetHuman users in Baltimore and around Baltimore City County who called the phone number and gave us feedback. This month, 18 customers have verified this phone number.
Customers report that this number goes to voicemail 23% of the time.
There is 1 other Electric Services, NEC businesses in Baltimore City, MD: