Built on trust. Proven for mission-critical work.
Long-term partnerships built on trust, transparency, and results.
Award-winning safety practices that protect every person on every job.
More than a century of mission-critical mechanical construction across the DMV.
Design assist, BIM coordination, and planning that reduce risk before ground breaks.
Trusted by industry leaders for over a century
103 years of showing up. An 85% repeat client rate. These aren’t just numbers — they’re relationships built on trust, performance, and doing the work right.
“As an engineer working in the biopharma industry, the demands for schedule, quality, and compliance are very demanding. Teamwork is critical to succeed in such an environment. Heffron has been an incredibly strong partner in working on both small and large efforts. They work with you on the front-end concept to the field. Heffron has an extensive and talented workforce and does a great job managing subcontractors too. The expertise, customer service, achieving schedule milestones, and working neatly in a patient critical industry are their hallmarks. I highly recommend others using Heffron in the FDA regulated facilities.”
— Project Engineer — Biopharma Manufacturing
— VP Manufacturing & Facilities — Biologics Manufacturer
— Senior Director — Healthcare System
— Director of Construction
— Director of Construction
— Director of Facilities
“We selected Heffron because we were confident you could maintain our challenging schedule at a competitive price. You not only met that threshold, you surpassed our highest expectations. Our growing relationship with Heffron has helped us in the search for solutions to our most challenging problems — the development of a full research and development campus.”
— Director — Research & Development Campus
— Director — Surety Construction Group
— Director of Facilities
— Vice President — Surety Partner
— CNA Risk Control / MCAA