Ohmstede Ltd. is a member, and participates, within the following organizations or associations:

Tubular Exchanger Manufacturer Association (TEMA)

An association of fabricators of shell and tube type heat exchangers, having established and maintains a set of construction standards for heat exchangers, known as the TEMA Standard.

American Society of Mechanical Engineers (ASME)

Professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of outreach."

Heat Transfer Research, Inc.

HTRI is a leading source of process heat transfer technology, research, software, and services.

The NBIC provides standards for the installation, inspection, and repair and/or alteration of boilers, pressure vessels, and pressure relief devices.

American Petroleum Institute

API is a U.S. trade association for the oil and natural gas industry. Functions as an advocacy, negotiation and lobbying with governmental, legal, and regulatory agencies; research into economic, toxicological, and environmental effects; establishment and certification of industry standards; and education outreach.

American Fuel and Petrochemical Manufacturers

AFPM is a trade association representing high-tech American manufacturers of virtually the entire U.S. supply of gasoline, diesel, jet fuel, other fuels and home heating oil, as well as the petrochemicals used as building blocks for thousands of vital products in daily life.