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 150 design projects, including churches, museums, industrial buildings, offices, educational buildings, multifamily buildings, and more. The company has experience on four LEED green design projects, including the first LEED building in Steuben County and the Gateway Commons Apartments in Ithaca, which received LEED silver certification.

Taitem Engineering is the quality assurance contractor for New York State's multifamily building energy programs, providing technical assistance and expert review of over 50 consultants statewide. Taitem is also a green building consultant for the New York State Housing Trust Fund Corporation, Division of Housing and Community Renewal. Taitem provides technical assistance and project consulting for NYSERDA's New Construction Program in support of New York's commercial/industrial EnergySmart programs.

Taitem Engineering led the technical effort to develop an energy rating system for new high-performance multifamily buildings with the U.S. Environmental Protection Agency and New York State Energy Research and Development Agency. The company earned the national R&D100 award for its work in developing residential energy software, currently used for statewide energy programs in New York, Maine, Washington, and New Hampshire.

Taitem's staff includes three licensed professional engineers, four LEED accredited professionals, three certified multifamily building auditors, and a master plumber. "Taitem" stands for "Technology As If The Earth Mattered," reflecting the firm's commitment to the environment.