| R C Goodwyn & Sons [Powhatan, Virginia, United States of America] . |
| R P Lumber [Champaign, Illinois, United States of America] . |
| R P Lumber - Galesburg [Galesburg, Illinois, United States of America] . |
| R&A Tools [Howell, Michigan, United States of America] . |
| R.B. Lumber Co [Laurens, Iowa, United States of America] . |
| R.E. Lowell Lumber [Buckfield, Maine, United States of America] . |
| Rademacher Building Center [Gifford, Illinois, United States of America] . |
| Rafael Lumber [San Rafael, California (North), United States of America] . |
| Rand Lumber Company [Rye, New Hampshire, United States of America] . |
| Randall Building Supply [Randall, Minnesota, United States of America] . |
| Randolph Building Center [Randolph, Wisconsin, United States of America] . |
| Rangeley Lakes Builders [Rangeley, Maine, United States of America] . |
| Rasmussen Lumber [Manning, Iowa, United States of America] . |
| Rasure Lumber - Do It Center [Goodland, Kansas, United States of America] . |
| Red Barn Builders Supply Inc. [Livingston, Texas, United States of America] . |
| Redwood Building Center Inc [Redwood Falls, Minnesota, United States of America] . |
| Reed & Reed Lumber Co. Inc. [Pilot Knob, Missouri, United States of America] . |
| Reliable Wholesale Hardware, Inc [Stockton, California (North), United States of America] . |
| Remsen Lumber Company [Remsen, Iowa, United States of America] . |
| Renneberg Hardwoods [Brandon, South Dakota (East), United States of America] . |
| Rennekamp Lumber Company [Pittsburgh, Pennsylvania (West), United States of America] . |
| Resource Conservation Technology [Baltimore, Maryland, United States of America] . |
| Retail Lumber & Supply Co [Shawano, Wisconsin, United States of America] . |
| Richardson Lumber Co [Sheboygan Falls, Wisconsin, United States of America] . |
| Richert Lumber Co. [Pleasanton, California (North), United States of America] . |
| Ridgefield Supply Company [Ridgefield, Connecticut, United States of America] . |
| Ridout Lumber Co [Fayetteville, Arkansas, United States of America] . |
| Ridout Lumber Co [Joplin, Missouri, United States of America] . |
| Ridout Lumber Co [Russellville, Arkansas, United States of America] . |
| Ridout Lumber Co [Cabot, Arkansas, United States of America] . |
| Ridout Lumber Co [Conway, Arkansas, United States of America] . |
| Ridout Lumber Co [Rogers, Arkansas, United States of America] . |
| Right Cooperative Assn. [Ness City, Kansas, United States of America] . |
| Ringheim Company [Golden, British Columbia, Canada] . |
| Rings End Lumber [Branford, Connecticut, United States of America] . |
| Rings End Lumber [Darien, Connecticut, United States of America] . |
| Rings End Lumber [Bethel, Connecticut, United States of America] . |
| Rings End Lumber [South Salem, New York City, United States of America] . |
| Rings End Lumber [Niantic, Connecticut, United States of America] . |
| Rings End Lumber [New Milford, Connecticut, United States of America] . |
| Rings End Lumber [Wilton, Connecticut, United States of America] . |
| Riverhead Building Supply [Riverhead, New York (State), United States of America] . |
| Riverhead Building Supply [Northport, New York (State), United States of America] . |
| Riverside Building Center [Lisbon, North Dakota, United States of America] . |
| Riverside Lumber & Hardware [Madawaska, Maine, United States of America] . |
| Roberson Lumber [Silver Lake, Kansas, United States of America] . |
| Rockford Lumber Co [Rockford, Iowa, United States of America] . |
| Rockwood Lumber [Teulon, Manitoba, Canada] . |
| Rocky Mountain Forest Prod [Wheat Ridge, Colorado, United States of America] . |
| Rosco Industrial Supply Company [Ridgeland, South Carolina, United States of America] . |
| Rossis Building Materials [Fort Bragg, California (North), United States of America] . |
| Round Top Mercantile [Round Top, Texas, United States of America] . |
| Round Up Building Center [Belle Forche, South Dakota (West), United States of America] . |
