O'Brien & Gere acquired Denton Refractory in 1994, and with it, the expertise and proficiency for integrating custom thermal process solutions and expanded thermal integrated process systems. The acquisition of Denton Refractory increased the competencies of O'Brien & Gere for high-quality, fully integrated systems, with the addition of capabilities in steel fabrication, instrumentation and controls, mechanical packaging, and general contracting.

Today, over 60 years since R.J. Denton founded his refractory distribution company, O'Brien & Gere / DentonTSI™ continues to provide custom O'Brien & Gere / DentonTSI™ thermal solutions, ranging from vacuum diffusion bonding furnaces to complete heat treat cells, for the steel and forging industries. O'Brien & Gere / DentonTSI™ designs, fabricates, constructs, and provides startup services for high-quality, custom industrial furnaces and delivers complete O'Brien & Gere / DentonTSI™ thermal integrated process systems.