Media Gallery

Washington D.C., Maryland, N. Virginia Washington D.C., Maryland, N. Virginia We are located in Baltimore County.
View Media Gallery

Information

Founded In: 1909
Annual Vol: $10 million - $20 million

Our Story

Read More

Our main lines of business include: Mechanical Contractors.

M. Nelson Barnes & Sons, Inc. has been listed in the Blue Book since 1981.

What We Do

Products/Services Relating to Mechanical Contractors

Project Experience

Labor:
Non-Union
Project Size:
From $2,000,001 to $2,000,000,000

Service Areas

Associations & Memberships

Member of ASA (American Subcontractors Assn.) ASA (American Subcontractors Assn.)
Member of Associated Builders and Contractors ABC ABC