NIA is a not-for-profit trade association representing both the merit (open shop) and union contractors, distributors, laminators, fabricators, and manufacturers that provide thermal insulation, insulation accessories, and components to the commercial, mechanical, and industrial markets throughout the nation. Since 1953, the northern Virginia–based association has been the voice of the insulation industry and is dedicated to keeping the commercial and industrial insulation industry up to date on the latest industry trends and technologies.

The Central States insulation Association is a not-for-profit trade association dedicated to working with its member firms and their labor counterparts, the International Association of Heat and Frost Insulators and Allied Workers, to insure that their customers get the best engineered, installed and maintained mechanical insulation systems.

The Eastern States Insulation Contractors Association (ESICA) represents both small and large mechanical, commercial, industrial and asbestos abatement contractors as well as various suppliers and distributors of products and services to the industry. While the size of the businesses may vary, there is a common bond of professionalism to be found among ESICA members.

Membership in the Midwest Insulation Contractors Association provides you and your firm the opportunity to be part of a professional and dynamic association of commercial and industrial insulation contractors, abatement contractors, associate manufacturer/distributor and material supply firms, and affiliate firms that interact with the insulation industry.

NAIMA is recognized as the voice of the insulation industry for architects and builders; design, process and maintenance engineers; contractors; code groups and standards organizations; government agencies; public interest, energy and environmental groups; and homeowners.

NAIMA is an authoritative resource on energy-efficiency, sustainable performance, and the application and safety of fiber glass, rock wool and slag wool insulation products.

The Southeastern Insulation Contractors Association, SEICA, is an organization interested in promoting better relations between private owners and public bodies, their architects, engineers, mechanical contractors and insulation contractors.

The Thermal Insulation Association of Canada is the national industry association for contractors,distributors and manufacturers of commercial, industrial and institutional thermal insulation, asbestos abatement and firestop.

The mission of the Western Insulation Contractors Association is to be the voice of the mechanical insulation industry. We are proactive in representing our members and are committed to increasing business opportunities for our members, associates, and affiliates.