| R-Shield |
Belgrade, Montana |
| R-Stud |
Donald, Oregon |
| R. M. Lucas Company |
Alsip, Illinois |
| R. M. Lucas Company |
Chicago, Illinois |
| R.I. Lampus Company |
Springdale, Pennsylvania |
| R.I. Lampus Company |
Springdale, Pennsylvania |
| R.I. Lampus Company |
Aliquippa, Pennsylvania |
| R.I. Lampus Company |
Cambridge Springs, Pennsylvania |
| RAB Lighting, Inc. |
New York, New York |
| RadiantGUARD |
Frisco, Texas |
| RainguardPro |
Huntington Beach, California |
| Rainshower |
Las Vegas, Nevada |
| Rainsoft Water Conditioning Company |
Roselle, Illinois |
| Raleigh Mechanical and Metals Inc. (RMM) |
Raleigh, North Carolina |
| RAM Industries, Inc. |
Houston, Texas |
| RAM Steel Framing |
Miami, Florida |
| RAM Steel Framing |
Sanford, Florida |
| Rapid Fan and Blower Inc. |
Long Island City, New York |
| Rare Manufacturing, Inc. |
Surrey, British Columbia |
| Rasmussen Iron Works Inc. |
Whittier, California |
| Raven Engineered Films |
Sioux Falls, South Dakota |
| Raven Engineered Films |
Brandon, North Dakota |
| Raven Engineered Films |
Madison, South Dakota |
| Raven Engineered Films |
Colton, California |
| Raven Engineered Films |
Midland, Texas |
| Raven Engineered Films |
Parker, Colorado |
| Raven Engineered Films |
Pleasanton, Texas |
| Rayes Boiler Company |
Skokie, Illinois |
| Raymond Glass Company Inc. |
Jersey City, New Jersey |
| Rayne Corporation |
San Diego, California |
| Rayon Lighting Group, Inc. |
Compton, California |
| Raypak Inc. |
Oxnard, California |
| Raypak Inc. |
Oxnard, California |
| RBI |
Westfield, Massachusetts |
| RCP Block & Brick |
Lemon Grove, California |
| RCP Block & Brick |
San Diego, California |
| Reading Rock |
West Berlin, New Jersey |
| Reading Rock |
Cincinnati, Ohio |
| Real Carriage Doors Company |
Gig Harbor, Washington |
| RebCo Incorporated |
Paterson, New Jersey |
| Reclaimed Lumber Products |
Nampa, Idaho |
| Reclaimed Lumber Products |
Emmett, Idaho |
| Rectorseal Corporation, The |
Houston, Texas |
| Red Devil, Inc. |
Tulsa, Oklahoma |
| Red Devil, Inc. |
Pryor, Oklahoma |
| RedBirdLED |
Atlanta, Georgia |
| Redland Brick Inc. |
Williamsport, Maryland |
| Redland Brick Inc. |
Cheswick, Pennsylvania |
| Redland Brick Inc. |
South Windsor, Connecticut |
| Redland Brick Inc. |
Lawrenceville, Virginia |