Soundown Corp. - Salem, MA
Distributor, Manufacturer
Manufacturer & distributor of acoustic carpet & floor underlayments made from resilient acoustic foam layer with decoupled mass layer. Specifications include 1/4 in. to 1/2 in. thickness foam, 0.5 lbs./sq. ft. to 2 lbs./sq. ft. mass layer density & 5/16 in. to 3/4 in. overall thickness. Carpet underlayments are suitable for reducing noise to 250 Hz frequency & transmitting noise through floor assemblies from airborne & structure borne sources including talking & walking impact.
www.soundown.com/Architect_carpetUnder.htm

Delaware Valley Corp. - Lawrence, MA
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom non-woven fabrics used as carpet and rug underlayments for home and building applications.
www.dvc500.com/non-woven-fabrics.html

American Micro Industries, Inc. - Chambersburg, PA
Distributor, Manufacturer, Custom Manufacturer
Veteran-owned manufacturer & distributor of impact barrier carpet underlayments for reducing 'footfall' & airborne noise transmission. Carpet underlayments are available in sizes 3/8 in. x 4-/2 ft. x 20 ft. & 3/8 in. x 4-1/2 ft. x 20 ft. & made of composite of 1/4 in. polyether decoupling foam & mass loaded vinyl sound blocking barrier. Features include resistance to acids, mild alkalis, oils & grease. Used as flooring underlayment for condominiums, apartments, homes, marine vessels, mezzanines & professional office spaces.
Brand Names: Step Above

Carpet Express - Dalton, GA
Distributor
Stocking distributor of carpet specials including underlayments for residential & commercial cut pile, cut- loop & high-level loop carpets. Underlayments are made from polyurethane foam, fiber & rubber materials & are available in 1/4 in. to 7/16 in. foam thickness, 80 oz. to 110 oz. rubber thickness, 6 ft. x 18 ft. to 6 ft. x 60 ft. sizes & 15 sq.yd. to 40 sq.yd. roll sizes & 6 lbs. to 8 lbs. foam density. Features of underlayments include resilient, sound buffering & shock absorbing features. Ten years warranty. Lifetime warranted foam underlayments are also available. JIT delivery.

Dura Undercushions, Ltd. - Montreal, QC
Manufacturer
Carpet Cushion

Leggett & Platt, Inc. - Carthage, MO
Manufacturer, Custom Manufacturer
Furniture, Bedding, Automotive Components, Wire, Aluminum Die-Casting, Fibers, & Lumber

Moreland Company USA - Sarasota, FL
Manufacturer
Underlayment for use under vinyl, carpet, tile, wood & all other floor coverings. 5 ply, veneer core constructed. 4x4 & 4x8 sizes available. 1/4 inch nominal thickness.
Brand Names: Ultraply XL

Future Foam Inc. - Council Bluffs, IA
Manufacturer, Custom Manufacturer, Service Company
Flexible Polyurethane Foam, Carpet Pad

Amorim Cork Composites - Trevor, WI
Manufacturer, Custom Manufacturer
Manufacturer of cork & cork products, roofing & siding materials.

Georgia Pacific LLC - Atlanta, GA
Distributor, Manufacturer
Plywood, Lumber, Panels, Mouldings, Doors/Windows, Siding, Roofing, Wallboard

Waterville TG Inc - Waterville, QC
Manufacturer, Custom Manufacturer, Service Company
Sponge Rubber

Homasote Co. - West Trenton, NJ
Manufacturer
Structural Fiberboard Products

Potlatch Corp. - Spokane, WA
Manufacturer
Manufacturer of wood & paper products. Logs & fiber, lumber & panels, bleached paperboard, tissue & NBSK pulp.

Domfoam Inc. - Montreal, QC
Manufacturer, Service Company
Underlay Carpet Padding

Mckenzie Forest Products - Springfield, OR
Manufacturer
Plywood, Siding, MDO, Underlayment, Sheathing

Great Western Carpet Cushion Co. - Orange, CA
Manufacturer, Service Company
Carpet Underlay

Vantage Industries - Atlanta, GA
Manufacturer
Manufacturer of laminate underlayments for rug, carpet, hardwood & concrete flooring surfaces. Capabilities include sound absorption, high tensile & tear strength & also anti-microbial mold & milder resistant. Variety of sizes & configurations.