Zakiul Kabir

SiEnergy Systems LLC is a private company based in Quincy, MA that wholesales solid oxide fuel cell.

United Technologies Corp. engages in the provision of products and services to the building systems and aerospace industries worldwide. It operates through the following business segments: Otis; Carrier; Pratt and Whitney; and Collins Aerospace Systems. The Otis segment designs, manufactures, sells, and installs elevators, escalators, moving walkways, and service. The Carrier segment provides heating, ventilating, air conditioning, and refrigeration solutions. The Pratt and Whitney segment includes aircraft engines for the commercial, military, business jet, and general aviation markets. The Collins Aerospace Systems segment offers technologically advanced aerospace products and aftermarket service solutions for aircraft manufacturers, airlines, regional, business and general aviation markets, military, space and undersea operations. The company was founded in 1934 and is headquartered in Farmington, CT.

Doosan Fuel Cell America, Inc. manufactures fuel cell power products. It provides clean, efficient and secure energy solutions that scale to multiple megawatts. The company was founded in 2003 and is headquartered in East Hartford, CT.