7505D Connelley Drive Hanover MD 21076 US





Office Hours

Mon - Fri 7:30am - 4:00pm
On Call Service 

24/7 365 DAYS A YEAR

Here your not a number your a person and a friend!

Location & Hours

Since 1980 Northern Bay has served the mechanical market in the Mid-Atlantic Region. With customers from Pennsylvania to Virginia and West Virginia to Delaware our Maryland based firm has provided for the installation and service requirements of our commercial and industrial customers ranging from small retail shops to major industrial customers including GAF Corp. and General Motors Corporation proudly. The motto "No job too big or too small" definitely applies to Northern Bay and we are proud of it. 


At Northern Bay we strive to not only provide exceptional customer service but an unmatched pool of talented technicians and foreman. Being a mid-sized corporation allows us the flexibility to directly attract and retain the most talented technicians while also maintaining a personal relationship with each customer. 


Proudly Serving All Your Mechanical Needs Since 1980

What We Beleive