All Brands Owned by EMCOR Group, Inc.

What does EMCOR own?
EMCOR owns about 100 operating subsidiaries that provide electrical construction, mechanical construction, building services, and industrial services across the United States. Notable subsidiaries include Dynalectric, Bahnson Mechanical Systems, Heritage Mechanical, DeBra-Kuempel, Ohmstede, and Comunale.

Is EMCOR publicly traded?
Yes. EMCOR Group trades on the New York Stock Exchange under the ticker EME and is a component of the S&P 500 index.

Who founded EMCOR?
EMCOR was created in December 1994 when JWP Inc., formerly Jamaica Water Properties, emerged from Chapter 11 bankruptcy and was renamed and restructured. Frank MacInnis led the reorganization and served as the company's first CEO.

Where is EMCOR headquartered?
The company is headquartered in Norwalk, Connecticut. Its operating subsidiaries work from approximately 420 locations across the United States.

Who owns EMCOR?
EMCOR is an independent public company. Its shares are widely held by institutional investors such as Vanguard, BlackRock, and State Street, with no controlling shareholder.

What does EMCOR do?
EMCOR builds and services the electrical, mechanical, plumbing, and fire protection systems inside commercial buildings, data centers, hospitals, and industrial facilities. It also provides ongoing building maintenance and industrial services under recurring contracts.

Why did EMCOR sell its UK business?
EMCOR sold EMCOR UK to OCS Group in December 2025 for about $255 million to focus capital on the higher-growth U.S. market. The UK segment generated about $425 million in 2024 revenue, and the sale was expected to be modestly accretive to operating margins.