News & Insights
Salas O’Brien welcomes The RMH Group
Merger strengthens MEP expertise in Colorado.

Salas O’Brien today announced it is welcoming The RMH Group (RMH), further strengthening its local presence in Colorado. With additional offices in Phoenix and Los Angeles, RMH is known for expertise in mechanical, electrical, plumbing, and technology design services.
RMH’s portfolio spans healthcare, data centers, higher education, advanced manufacturing, industrial, government, science & technology, aviation, and energy sectors. The team is recognized for highly technical and low-energy design and for reliable support through the full project lifecycle. By joining Salas O’Brien, RMH will now provide additional services and deeper expertise to its clients across North America.
The merger aligns with Salas O’Brien’s strategy of partnering with high-performing firms that complement its capabilities and broaden access to integrated engineering solutions.
Projects

Lockheed Martin Space Systems Gateway Center
Salas O’Brien provided electrical engineering design for the Lockheed Martin Space Systems Gateway Center at the Waterton Canyon campus, marking a significant leap in satellite production capabilities. The facility focuses on the design, manufacturing, and testing of satellites. Within its expansive layout, 175,000 square feet of Sensitive Compartmented Information Facility support secure operations for national security missions.
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Children’s Hospital Colorado North Campus Expansion
Salas O’Brien provided comprehensive engineering design services for the Children’s Hospital North campus expansion and renovation, helping the facility meet growing demand for pediatric healthcare services across Northern Colorado and Southern Wyoming. The project transformed the existing outpatient campus into a full-service pediatric hospital, expanding inpatient, emergency, diagnostic, surgical, and outpatient care services, and enhancing the central utility plant and supporting infrastructure.
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Denver Federal Center Building 48 Modernization
Salas O’Brien provided comprehensive engineering design services for the adaptive reuse of Building 48, transforming a former World War II munitions warehouse into a modern workplace for the Department of the Interior’s Interior Business Center. Our team designed an integrated, high-efficiency mechanical, electrical, and plumbing system, including a water-source heat pump, all-electric heating, renewable energy generation, and supporting infrastructure, to achieve a net zero energy profile.
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