| InterWrap |
Charleston, South Carolina |
| Intus Windows |
Fairfax, Virginia |
| iO HVAC Controls |
Indianapolis, Indiana |
| Iowa Aluminum |
Albia, Iowa |
| IPS Corporation |
Compton, California |
| IPS Roofing Products |
Collierville, Tennessee |
| Isaiah Industries, Inc. |
Piqua, Ohio |
| Isenberg |
Dallas, Texas |
| ISI Building Products |
Chicago, Illinois |
| ISI Building Products |
East Peoria, Illinois |
| Islandaire |
St. James, New York |
| ISOLOFOAM Group |
Sainte-Marie, Quebec |
| ISOLOFOAM Group |
Sainte-Marie, Quebec |
| Isothermal Protective Coatings, Inc. |
Pearland, Texas |
| iSpring Water Systems, LLC |
Cumming, Georgia |
| ITW Polymers Sealants North America |
Houston, Texas |
| ITW Polymers Sealants North America |
Irving, Texas |
| ITW Polymers Sealants North America |
Garden Grove, California |
| ITW Polymers Sealants North America |
Tucson, Arizona |
| ITW Polymers Sealants North America |
Norcross, Georgia |