Who We Are

Reliable Precision. Technical Expertise. Specialized Security.

Mark Construction is a full-service general contractor specializing in secure and mission critical facilities for the Fortune 1,000 in defense contracting, finance, technology and data. From design-build to service, repair and everything in between, we’re known for our principle-driven attention to detail and a willingness to tackle the little things with the same level of attention and care that we bring to our larger projects.

For 25 years we've been a trusted partner to clients throughout the DMV and beyond

Build With Us

Our History

Mark Construction Group LLC (MCG) was founded in  1999 as a full-service general contractor. For 25 years  and counting, facility managers and project leaders throughout DC, Maryland and Virginia have come to rely on us to deliver technically challenging projects with the utmost precision and quality. We focus on technically challenging, fast-paced commercial interior projects  for a diverse group of Fortune 1000 clients.

1999

Mark Construction is founded on the principle of authenticity, trust, and ingenuity.

2014

Under new ownership, Mark continues to deliver the same proactive, transparent workmanship and project delivery that our clients know to expect from us.

2024

Celebrating our 25-year anniversary with a new brand and website that celebrates who we are today while standing on the excellent work and strong client relationships that got us here.

States We Serve.

Alabama
Colorado
D.C.
Florida
Georgia
Maryland
New Mexico
North Carolina
Ohio
South Carolina
Tennessee
Texas
Virginia
West Virginia

Our Exceptional Work Starts with the Strength of Our Team.

Leading with respect and transparency at all times, our team brings clarity and precision to all of our projects. Meet the Mark Construction team.

Join Our Team

Meet Adam

Adam Stewart

President, CEO

Meet Lori

Lori Unger

Chief Financial Officer

Meet Lester

Lester Liu

Vice President

Meet Tom

Tom Houghton

Senior Superintendent

Meet Allen

Allen Tarquinio

Senior Superintendent

Clients Who Trust Us

"I should have done it sooner but this is my opportunity to say how great Moe and Austin have been in supporting Leidos project in Alexandria. Client is happy and we are almost done with this 2 calendar year long project. I could have not done it without your team. Please send my regards and I hope to see you soon."

Yuna Kwon, LEED AP ID+C - Sr. Project Manager

JLL in Partnership with Leidos