We Can't Do It Without You!

Since 1953, NIA has been proud to represent mechanical insulation manufacturers, distributors, fabricators, and contractors across the country—many of whom have been with us since the very beginning. To learn more about these members, visit our online membership directory.

In 2026, as we celebrate NIA President Rick Sutphin’s theme, Association Strong—70 Years, we’re honored to recognize the member companies whose long-term support has helped shape and strengthen the association and industry. Visit our LinkedIn page to see posts that highlight these longstanding members. (If you would like to receive a personalized graphic to share on your company’s social media page in celebration of your company’s milestone, contact editor@insulation.org).

Thank you for helping us improve the industry, make it safer, and create training programs for current and future workers. Your support is vital to NIA’s success story!

Companies that have been with us since
the beginning

• APi Construction Co., 1956
• Armacell, 1956
• Sprinkmann Sons Corporation, 1956
• Foster Products (HB Fuller Construction Products), 1957
• Johns Manville, 1958
• Luse Thermal Technologies, 1958

Companies that have been with us since the 1960's

• Geo. V. Hamilton, Inc., 1960
• Alloyd Insulation Co., Inc., 1960
• Midwest Insulation Services, Inc., 1963
• Pedersen Insulation Company, 1963
• C.E. Thurston & Sons, Inc., 1964
• Owens Corning, 1966
• Performance Contracting, Inc., 1966
• Champaign A&K Insulation Co., 1967
• Alpha Engineered Composites, LLC, 1969

Companies that have been with us since the 1970's

• Southern Insulation, Inc., 1971
• Farwest Insulation Contracting, 1973
• Insulation Materials Corporation, 1974
• TBN Associates, Inc., 1974
• Ticon, Inc., 1975
• L&L Insulations, 1976
• Knauf Insulation, Inc., 1978
• R.P.R. Products, Inc., 1979

Companies that have been with us since the 1980's

• 3M, 1982
• Atlantech Distribution, Inc., 1982
• Irex Contracting Group, 1982
• Southern Tier Insulations, Inc., 1982
• Proto Corporation, 1984
• Specialty Products & Insulation, 1984
• Anchor Insulation, 1985
• L&S Insulation Co., Inc., 1985
• McDermaid Roofing and Insulating, 1985
• County Group Companies, 1986
• Lamtec Corporation, 1986
• Extol of Ohio, Inc., 1987
• G.I.S., Inc., 1987
• hth Companies, Inc., 1987
• Lanham Insulation, Inc., 1987
• Register Insulation, Inc., 1987

Companies that have been with us since the 1980's (continued)

• Waco, Inc., 1987
• Avery Dennison, 1988
• Insulation Specialty, Inc., 1988
• AIS, Inc. (DBA Alaska Insulation Supply & Alaskan Insulation Specialties & Heat & Frost), 1988
• 4-State Supply, 1989
• Brock Industrial Services, LLC, 1989
• Lewco Specialty Products, Inc., 1989
• Ludeman Insulation & Supply, Inc., 1989
• Midwest Fasteners, Inc., 1989
• ROCKWOOL Technical Insulation, 1989
• Insulation Specialties Contracting Corp., 1989
• Minco (DBA Mechanical Insulating Contractors, Inc.), 1989
• Coverco, Inc., 1989

Companies that have been with us since the 1990's

• Alkegen, 1990
• Triangle Enterprises, Inc., 1990
• Wayne Insulation Co., Inc., 1990
• Insulating Services, Inc., 1990
• Petrin, LLC, 1990
• Gribbins Insulation Company, Inc., 1990
• Morgan Advanced Materials Thermal Ceramics, 1990
• Newcon Caribbean, Inc., 1991
• Iberville Insulations, LLC, 1991
• Norris Insulation, Inc., 1992
• Nicholas Insulation Services, Inc., 1992
• Breeding Insulation Company, Chattanooga, Inc., 1992
• McCormick Insulation Supply, Inc., 1992
• Campbell Gibbons and Associates, Inc., 1993
• Kennedy Insulation Systems, Inc., 1993

Companies that have been with us since the 1990's (continued)

• Systems Undercover, Inc., 1993
• Star Insulation Company, Inc., 1993
• Insulation Technologies, Inc., 1993
• Polyguard Products, Inc., 1993
• Homans Associates, LLC, 1993
• Retro Insulation, 1994
• Therm-All, Inc., 1994
• Pro Insulation, 1994
• Rudco Sales, Inc., 1994
• K-FLEX USA, LLC, 1994
• CertainTeed Corporation, 1995
• Fern Insulators, Inc., 1995
• Tani Division, B.D. Schiffler, Inc., 1995
• All-Temp, Inc., 1996
• Murasho Co., Ltd., 1996
• IITI Group, Inc. 1996

Companies that have been with us since the 1990's (continued)

• Prime, Inc., 1996
• Allied Insulation Supply, 1996
• Kirby-Cundiff Insulation, 1996
• Insul-Therm International, Inc., 1997
• Insulation Specialties, Inc., 1997
• Mac's Insulation Company, Inc., 1997
• Mid-Plains Insulation, 1997
• F & H Insulation Sales and Services, Inc., 1997
• Hales & Associates, Inc., 1997
• Corick Valve Covers, Inc., 1997
• Smith & Casady, Inc., 1997
• C & H Insulation Services, Inc., 1997
• Distribution International, Inc., 1998
• I&I, 1998
• Kelco Insulation, Inc., 1998
• Foley Insulation, Inc., 1999
• Gagnon, Inc., 1999

Companies that have been with us since the 2000's

• E.P.I. Insulation Company
• Sioux City Insulation & Supply
• Viking Industries, Inc.
• Caldwell Insulation, Inc.
• Atlantic Contracting & Specialties, LLC
• Aeroflex USA
• Kerco, Inc.
• L.C. Insulations, Inc.
• Headrick Insulation, Inc.
• Advanced Specialty Contractors, LLC
• Cornerstone Services Group, LLC
• DKB, Inc.
• Massy Energy Engineered Solutions, Ltd.
• Premier Insulation Contracting, Inc.
• Thermo-Dynamics International
• Upland Services, Inc.
• Mathias Metal Systems, LLC/Tru-Fit Products, LLC
• Enervation, Inc.
• ED-O Insulation Company, Inc.
• Texoma Industrial Insulation, Inc.
• Promat, Inc.

Thank You, Members!

We welcome the opportunity to share more about your company with NIA’s membership, including your favorite NIA memories from past events, advice you’ve received/implemented throughout the years from other members, or how NIA has impacted your business or relationships. You can send these thoughts and experiences in an email to editor@insulation.org or by recording a short video clip on your phone. We would love to learn a little more about you, your company, and why you have been an enduring part of NIA.