Taitem Engineering, PC, is a consulting firm based in Ithaca, NY, specializing in mechanical, electrical, and structural design, energy studies, and energy research. Founded in 1989, the firm has completed over 250 design projects, for which it has received several awards. Projects have included commercial buildings, museums, industrial buildings, offices, educational buildings, houses of worship, multifamily buildings, and more. The company has experience on many LEED green design projects, including the first automotive dealership in the United States to seek LEED Platinum certification.

Taitem Engineering also undertakes consulting services in the area of energy services, including energy audits and energy research. The company earned the national R&D100 award for its work in developing residential energy software, currently used throughout New York State for the state�s energy programs, as well as statewide in Maine, Washington, and New Hampshire. In 2006, Taitem Engineering led the technical effort to develop an energy rating system for new high-performance multifamily (apartment) buildings, in conjunction with the U.S. Environmental Protection Agency and New York State (NYSERDA).