Cox Engineering

“MARKET: Randolph, MA ASSET TYPE: Industrial BUYER: Cox Engineering”

“When Kristin Doerrer joined Cox Engineering, Randolph, Massachusetts, as vice president of marketing in May 2025”

“Best place ever to work.”

“In this new role, I oversee all accounting departments and corporate staff across our four divisions.”

“Innovative liquid leak detection solution provider LAIIER today announced that it has partnered with Cox Engineering to drive mutual expansion in Boston and the East Coast. ... The collaboration means that LAIIER’s best-in-breed, wireless early water leak detection solution will be available as part of Cox Engineering’s growing portfolio of energy and sustainability related offerings, alongside building energy management systems, IoT monitoring, and turnkey HVAC retrofit solutions. ... “Through LAIIER’s solution, Cox can provide clients the trifecta: easy installation, precision, and real-time”

“Cox Engineering of Randolph, which does medal fabrication and pre-construction services, grew 60% in the last year, helped by the[Boynton Yards](https://www.bizjournals.com/boston/news/2023/03/21/developers-top-off-2nd-lab-building-in-somerville.html)life sciences development in Somerville, as well as a new South Boston office building for CRISPR Therapeutics and a 14-story life sciences building on Brookline Avenue in Fenway. Another firm, TG Gallagher of Waltham, the fourth-largest company on this year’s list, enjoyed a 43% growth spurt last year, with projects that included new life science”