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| TABLE 2 | ||||
| ACTIVE VERMICULITE EXFOLIATION PLANTS IN THE UNITED STATES IN 2006 | ||||
| Company | County | State | ||
| Isolatek International, Inc. | Sussex | New Jersey. | ||
| J.P. Austin Associates, Inc. | Beaver | Pennsylvania. | ||
| Palmetto Vermiculite Co., Inc. | Spartanburg | South Carolina. | ||
| P.V.P. Industries, Inc. | Trumbull | Ohio. | ||
| Schundler Co., The | Middlesex | New Jersey. | ||
| Southwest Vermiculite Co., Inc. | Bernalillo | New Mexico. | ||
| Sun Gro Horticulture Canada Ltd. | Jefferson | Arkansas. | ||
| Do. | Branch | Michigan. | ||
| Thermal Ceramics Inc. | Macoupin | Illinois. | ||
| Therm-O-Rock East, Inc. | Washington | Pennsylvania. | ||
| Therm-O-Rock West, Inc. | Maricopa | Arizona. | ||
| Verlite Co. | Hillsborough | Florida. | ||
| Vermiculite Industrial Corp. | Allegheny | Pennsylvania. | ||
| Whittemore Co., Inc. | Essex | Massachusetts. | ||
| W.R. Grace & Co. | Maricopa | Arizona. | ||
| Do. | Broward | Florida. | ||
| Do. | Greenville | South Carolina. | ||
Source: United States Geological Survey Mineral Resources Program