Comprehensive Mechanical Engineering, Design & Construction

Turnkey HVAC & Plumbing Design, Installation, Maintenance, and Service Solutions

Proudly serving Maryland, Virginia, and Washington, DC

Mechanical Engineering & Construction Corporation is a leading mechanical design and construction firm in the Northern Virginia and Maryland area. With an unwavering commitment to our clients, our projects, and our team, MEC² has grown into a company of over 150 tradespeople with two locations proudly serving Maryland, Virginia, and Washington, DC.

You can depend on us for: 

Mechanical Engineering

BIM Coordination

Mechanical Construction

HVAC Service and Maintenance

With almost two decades of experience delivering quality projects and exceeding expectations, at MEC² we believe a project is truly a success when a client invites us back to work on their next one.

Start your next project by filling out the form below!


Main Headquarters

6159 Edmondson Avenue
Suite A
Catonsville, MD 21228

Phone: 443-200-1000
Toll-free: 866-871-9600

Northern Virginia Office

44427 Atwater Drive
Suite 150
Ashburn, VA 20147

Phone: 443-200-1000
Toll-free: 866-871-9600

Accounts Payable

Send invoices to:

[email protected]

Accounts Receivable

Send payment and status updates to:

[email protected]

Human Resources

Send employment inquiries to:

[email protected]

HVAC Service & Maintenance

Send quote requests to:

[email protected]

Need help planning your next project?

MEC2 can help you get started.