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Calumet Electronics is an award-winning manufacturer of high reliability printed circuit boards (PCBs), an organization that fuels collaboration with distinguished customers and suppliers to advance production capability and capacity for complex PCB and IC substrates enabling next-generation electronic systems to be, not only designed, but manufactured within the United States. Calumet Electronics is recognized for thought leadership, rapidly advancing manufacturing readiness levels to meet industry needs, and commercialization of novel additive manufacturing processes. Calumet Electronics is 100% American owned and operated, with zero offshoring, and is America`s only HUBZone certified PCB manufacturer. Incorporated in 1968, Calumet is a high-volume manufacturer of conventional and advanced PCBs, shipping over 4 million circuit boards annually from its 160,000 sq. ft. campus located in the remote Upper Peninsula of Michigan.
Energy Vanguard is a Decatur, GA-based company in the Energy and Utilities sector.
Castine Energy Construction is a Waterville, ME-based company in the Energy and Utilities sector.
MTC Transformers is a Wytheville, VA-based company in the Energy and Utilities sector.
Headquartered in Houston, Texas, Columbia Pipeline Group companies own and operate about 15,000 miles of strategically located interstate natural gas pipelines, integrated with one of the largest underground storage systems in North America. From the Gulf Coast to the Midwest, Mid-Atlantic and Northeast, our systems connect premium natural gas supplies with some of the nation’s strongest energy markets, serving customers in 16 states.