International Cellulose Corp.

International Door, Inc.

International Entrance Control

International Window Corporation

inter-sky, inc.

Interstate Brick

Interstyle

INTEX Millwork Solutions

Intus Windows

Invisible Structures

IPA Systems, Inc.

Iron Design Center, Inc.

Iron Doors Unlimited, LLC

Iron Woods

Iron World Manufacturing, LLC

ISI Building Products

Island Stone

Iso Clips

Isolatek

Italgraniti Group

ITW Performance Polymers

ITW Polymers Sealants North America

JABO Carpets

Jacaranda Carpets

Jacaranda Inc

Jada Windows

Jakob Rope Systems

James Hardie

James River Steel, Inc.

JAM Systems

Jantek Industries, LLC

Japanese Wall

J & A Windows

JDR Enterprises, Inc.

JEH Windows & Doors

JELD-WEN, Inc.

Jerong Products, Inc.

J+J Flooring

J. Josephson, Inc.

J-Mac Lumber

Jockimo

John Boyle & Co., Inc.

Johns Manville Roofing Systems

Johnson Arch. Hardware (Div. Sherman Johnson)

Johnson Bros.

Johnson Tiles

Journault-Jourplex Inc.

Joy Carpets, Inc.

JSI Furniture

Julius Blum & Co., Inc.

Junckers Hardwood

K2 Stone

Kablan

Kafka Granite

Kährs

Kalman Floor Company

Kalzip Inc

Kanalco LTD Aluminum Panel Systems

Kane Innovations

Kansas Brick and Tile

Karastan

Karnak

Karndean Designflooring

Kasota Stone

Kassel Wood & Irons, Ltd.

Kaswell

Kaufman Manufacturing Group

Kawneer Company, Inc.

Kaycan Ltd.

Kay Park Recreation

KAYU International

KCC International, Inc.

K.D. Woods Company

Kebony - America

Kee Industrial Products, Inc.

Keene Building Products

Kee Safety

Keith Panel Systems

Kennedy Skylights & Solar Ventilation

Kentwood Floors

KEPCO+

Kerkstra

Kestrel Shutters & Doors, Inc.

Keymer USA Century International Imports, Inc.

Key Resin Co.

Keystone Hardscapes

KHPP Windows and Doors

Kimberly-Clark BLOCK-IT* House Wrap

Kinetics Noise Control

King Architectural Metals

KingKlinker

King Quarry

Kingspan

Kinon

Kirei USA

KLAR Studio

KLEIN USA

KLmegla LLC

KME America Inc.

KML Designer Finishes