P. Flanigan & Sons is an area leader in heavy civil construction projects. Transportation infrastructure construction, maintenance, and improvement is a key function of our business. At P. Flanigan & Sons, we service the range of transportation modalities from city streets to state highways, and from seaports to airports. We also construct and maintain infrastructure for industrial, medical, and educational campuses. Whether we are on city streets, state highways, airport runways, or anywhere in between, we take pride in the quality of services we offer our customers and partners.
We also offer a variety of high quality asphalt and crushed-concrete materials for purchase. Our products are engineered using high-quality raw materials, modern equipment, and modern quality control laboratories.
Congratulations to Lynn, Eric, Rick, Carlos, Rodney, and Sam — our May Safety Recognition Program honorees!
These standout team members have gone the extra mile to support Flanigan’s commitment to safety. We’re grateful for your hard work and proud to have you as part of the Flanigan Family. Thank you for making safety a top priority every day!
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We are honored to have received the 2025 Family-Owned Business Award from the Baltimore Business Journal.
Founded in 1885 by Irish immigrant Patrick Flanigan, P. Flanigan & Sons, Inc. has remained a Baltimore-based construction company for 140 years. Now in its fifth generation of family leadership under Pierce Flanigan IV, our company continues to build upon a proud legacy of service to Maryland’s infrastructure.
“Part of our longevity strategy is that building infrastructure is just as relevant now as in the 1880s,” said Pierce Flanigan IV. “There is a lot of change, but it’s still an important industry.”
We take great pride in the mark we’ve made on Maryland’s communities and look forward to continuing our work to support the growth and revitalization of the region for generations to come.
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Rain or shine, we always have a great time!
Last week’s Annual Customer Open House at our Winchester Facility was a great success! It was amazing catching up with customers, community members, and friends from the construction and business world.
Big thanks to everyone who joined us for delicious food and even better company — we’re grateful for your continued support!
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🎉 Milestone Moment: 10 Years of Jimmy! 🎉
Yesterday marked another great milestone—10 years of Jimmy being part of our Flanigan family!
Affectionately known as “Birthday Jimmy” (yes, he really tells people it’s his birthday every day to rally a party crew 🍻), Jimmy is more than just a legend—he’s an institution in this industry.
With nearly 40 years under his belt—including time with a major utility company—Jimmy is one of the most knowledgeable and respected folks out there. Ask any contractor, owner, or agency—everyone knows Jimmy. He’s a utility work enthusiast and a team player always ready to lend a hand.
Here’s to 10 years of laughs, leadership, and legendary stories. We’re lucky to have you, Birthday Jimmy!
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This Memorial Day, we remember the heroes who gave everything for our freedom. Their courage lives on, and their sacrifice will never be forgotten.
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On Tuesday, we had the privilege of participating in the MdQI Engineering & Construction Career Day at Coppermine Du Burns Arena in Baltimore!
This event brought together over 350 middle and high school students to explore careers in transportation engineering and construction through hands-on activities and interactive presentations.
We’re proud to be a Platinum Sponsor and even prouder to help ignite a passion for building the future among the next generation!
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🎉 Today we’re celebrating a milestone anniversary in our Flanigan Family — Congratulations to Kelly on 10 incredible years of service!
As our Office Administrator, Kelly keeps everything running smoothly — from answering phones and greeting visitors to managing supplies, mail, and even backing up bid prep.
She’s the smiling face you see when you walk in, always ready with a kind word, a funny story, or a great movie recommendation. Her honesty, positivity, and sense of humor make our workplace better every day.
Thank you, Kelly, for all that you do!
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🎉 Today we’re celebrating a 10-year Anniversary in the Flanigan Family — Congratulations to Dennis!
Dennis joined P. Flanigan in 2015 as an equipment operator. By his third season, he stepped up as a paver operator, quickly mastering the role. Always eager to learn, he began training on the paver screed in 2020 and impressed us with his skill and dedication.
In 2022, Dennis became a paving foreman — a role in which he continues to excel, bringing a strong focus on safety, quality, and leadership. He’s played a key role on major projects like the Martin’s Airport runway and many other high-profile jobs.
Thank you, Dennis, for your hard work, passion, and commitment. Here's to another 10 great years!
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Paving isn't always about highways—sometimes the job takes us indoors! Our crew recently had the unique opportunity to pave the fumigation shed at the Port of Baltimore. Different setting, same precision!
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