Manufacturing Partners

We pride ourselves on providing only the highest quality products for every possible project. Our manufacturing partners are an integral part of our success, and we are proud to work with great people across a range of industries and applications. To learn more about these companies and the products they manufacture, please call your local SPI branch or click on the desired link below.

• 3M
• Access Plug Flange, Inc (APF)
• AGM Industries, Inc.
• Alpha Associates, Inc.
• Ametek, Haveg Division
• Armacell LLC
• Auburn Mfg., Inc.
• BGF Industries, Inc.
• C & F Wire, Inc.
• CertainTeed Corporation
• C.L. Ward
• Corrugated Metals, Inc.
• Crane Composites
• Darco Southern, Inc.
• The Dow Chemical Company
• Dyplast Products
• Erico Fastening Products
• ESLIN™ Industrial Insulation
• Forrest Mfg. Co.
• Foster Products
• Gemco Fasteners
• Harbison-Walker Refractories Co.
• HiCube Coating
• Howred Corp.
• Ideal Tape Co., Inc.
• Integrity Products
• Johns Manville Corporation
• JPS Glass Fabrics
• K-Flex USA
• Kingspan Corporation

• Knauf Fiber Glass GmbH
• Lamotite Div. of Rexham Corp.
• Lewco Specialty Products, Inc.
• Lion Oil Company
• Midwest Fasteners, Inc.
• Milcor
• Mon-Eco Industries, Inc.
• Nelson Firestop Products
• Nudo Products, Inc.
• Owens Corning FoamGlas®
• Owens Corning Thermafiber®
• Panolam
• Proto Corporation
• RHH Foam Systems, Inc.
• Rockwool
• RPR Products, Inc.
• SEQUENTIA® (Crane Composites)
• SMC Industries
• Specialty Construction Brands, Inc.
• Specified Technologies Inc. (STI)
• Spectra-Physics Lasers (Newport)
• ThermaFiber LLC
• Thermal Ceramics, Inc.
• Thermon Manufacturing Co.
• Unifrax
• Vimasco Corporation
• Werner Ladder Co.
• Williams Brothers Corporation
• Wing Enterprises, Inc.