| K.L Jack & Company [Portland, Maine, United States of America] . |
| Kalona Builders Supply Inc [Kalona, Iowa, United States of America] . |
| Kals Building Supplies [Bemidji, Minnesota, United States of America] . |
| Keeleys Inc. [Aberdeen, South Dakota (East), United States of America] . |
| Kendall Lumber [Kendall, Wisconsin, United States of America] . |
| Kendell Lumber [St. Charles, Minnesota, United States of America] . |
| Kendell Lumber (Corp) [Winona, Minnesota, United States of America] . |
| Kennedy Lumber Co. [Henryetta, Oklahoma, United States of America] . |
| Kennys Lumber Center [Red Cloud, Nebraska, United States of America] . |
| Kenwood Lumber & Hardware [Santa Rosa, California (North), United States of America] . |
| Kenyon Noble Lumber Hardware [Bozeman, Montana, United States of America] . |
| Kenyon Noble Lumber Hardware [Livingston, Montana, United States of America] . |
| Keosauqua Lumber Co. [Keosauqua, Iowa, United States of America] . |
| Kerrisdale Lumber Co Ltd [Vancouver, British Columbia, Canada] . |
| Kiel Building Supply [Kiel, Wisconsin, United States of America] . |
| Kight Home Center [Evansville, Indiana, United States of America] . |
| Kight Home Center [Owensboro, Kentucky, United States of America] . |
| Kight Home Center [Rockport, Indiana, United States of America] . |
| Kildare Lumber Co [McCook, Nebraska, United States of America] . |
| Kildare Lumber Co [Paxton, Nebraska, United States of America] . |
| Kildare Lumber Co [Sutherland, Nebraska, United States of America] . |
| Kildare Lumber Co [North Platte, Nebraska, United States of America] . |
| Kilkenny Building Center [Lancaster, New Hampshire, United States of America] . |
| Kimball Midwest [Columbus, Ohio, United States of America] . |
| King City Lumber Co [King City, Missouri, United States of America] . |
| King Fasteners Inc. [Fletcher, North Carolina, United States of America] . |
| Knecht Discount Lumber Mart [Rapid City, South Dakota (West), United States of America] . |
| Knecht Home Center [Spearfish, South Dakota (West), United States of America] . |
| Knecht Home Center [Gillette, Wyoming, United States of America] . |
| Knecht Home Center [Pierre, South Dakota (West), United States of America] . |
| Knecht Home Center [Rapid City, South Dakota (West), United States of America] . |
| Knoxville Bolt & Screw [Knoxville, Tennessee, United States of America] . |
| Kochs Paint & Lumber Co [Mechanicsville, Iowa, United States of America] . |
| Kraemer Lumber Co. [Melrose, Minnesota, United States of America] . |
| Kramers Building Supply Inc [Deerbrook, Wisconsin, United States of America] . |
| Kreofsky Building Supplies [Plainview, Minnesota, United States of America] . |
| Kropf Lumber Co [Hesston, Kansas, United States of America] . |
| Krotters [Spencer, Nebraska, United States of America] . |
| Kruse Building Center, Inc. [Beresford, South Dakota (East), United States of America] . |
| Kruse Lumber [Rochester, Minnesota, United States of America] . |
| Kwint Inc/Daykin Lumber Co., [Daykin, Nebraska, United States of America] . |
