JMA Email Format
ConstructionCalifornia, United States11-50 Employees
JMA is a Santa Rosa-based construction firm founded in 1987 by Jim Murphy and Jay True. The company builds its culture around stewardship and core values such as integrity, honesty, and fairness, with a focus on listening to clients and prioritizing their interests throughout projects. Construction is approached as a collaborative process that requires attention to detail and humility in handling client resources. The leadership mantle is currently held by Jesse Malone and Steve Ronchelli; their formal partnership began in 2016, and the pair have served JMA's clients for a combined four decades. The firm operates with a mid-sized team and emphasizes a collaborative, detail-oriented delivery approach within the construction industry. Based in Santa Rosa, California, JMA positions itself as a principled builder that prioritizes client care and thoughtful execution over simply meeting requirements.