| 1 | ATLANTIC ALUMINA, GRAMERCY OPERATIONS | 1 | 801,697 |
| 2 | NATIONAL CEMENT COMPANY INC. | 1 | 633,566 |
| 3 | AM/NS Calvert, LLC | 1 | 558,122 |
| 4 | WVA Manufacturing, LLC | 1 | 525,816 |
| 5 | GLOBE METALLURGICAL INC. (0684000105) | 1 | 329,714 |
| 6 | ARCONIC DAVENPORT LLC | 1 | 255,551 |
| 7 | US MAGNESIUM LLC | 1 | 255,326 |
| 8 | Almatis Burnside Inc | 1 | 249,878 |
| 9 | LOGAN ALUMINUM INC | 1 | 230,653 |
| 10 | STEEL DUST RECYCLING LLC | 1 | 217,327 |
| 11 | ARCONIC TENNESSEE OPERATIONS | 1 | 203,795 |
| 12 | Waupaca Foundry, Inc. | 1 | 199,503 |
| 13 | SANDERS LEAD COMPANY INCORPORATED | 1 | 197,988 |
| 14 | ERAMET MARIETTA INC. (0684020006) | 1 | 195,517 |
| 15 | WAUPACA FOUNDRY, INC-PLANTS 2 & 3 | 1 | 188,180 |
| 16 | NOVELIS CORPORATION | 1 | 187,863 |
| 17 | CC METALS & ALLOYS, LLC | 1 | 180,857 |
| 18 | Commonwealth Rolled Products | 1 | 180,768 |
| 19 | GLOBE METALLURGICAL INC | 1 | 180,512 |
| 20 | ALERIS ROLLED PRODUCTS INC | 1 | 178,372 |
| 21 | WISE ALLOYS LLC-ALLOYS PLANT | 1 | 176,964 |
| 22 | AMERICAN CAST IRON PIPE CO | 1 | 175,285 |
| 23 | Kaiser Aluminum Warrick LLC | 1 | 173,118 |
| 24 | NLMK PENNSYLVANIA LLC | 1 | 169,717 |
| 25 | CALIFORNIA STEEL INDUSTRIES INC | 1 | 167,901 |
| 26 | TENNESSEE ALLOYS CORPORATION | 1 | 161,030 |
| 27 | Continental Silver Grove, LLC. | 1 | 155,189 |
| 28 | US Steel - Great Lakes Works | 1 | 153,616 |
| 29 | United States Pipe and Foundry Company, LLC | 1 | 153,395 |
| 30 | Cleveland-Cliffs Weirton LLC | 1 | 152,269 |
| 31 | Mississippi Silicon | 1 | 143,769 |
| 32 | C-E MINERALS PLANTS 1/2/6 | 1 | 143,342 |
| 33 | GLOBE METALLURGICAL | 1 | 133,941 |
| 34 | Befesa Zinc US INC | 1 | 126,860 |
| 35 | PABCO BUILDING PRODUCTS AND SANDIA | 1 | 126,233 |
| 36 | US Steel - Midwest Plant | 1 | 124,454 |
| 37 | Constellium Rolled Products Ravenswood, LLC | 1 | 119,399 |
| 38 | Befesa Zinc US INC | 1 | 117,780 |
| 39 | US Steel - Fairfield Tubular Operations | 1 | 117,435 |
| 40 | CAROLINA STALITE COMPANY | 1 | 113,721 |
| 41 | Kaiser Aluminum Washington | 1 | 110,568 |
| 42 | Arconic Lancaster Corp | 1 | 109,536 |
| 43 | CORNING DIESEL MANUFACTURING FACILITY | 1 | 108,959 |
| 44 | ENVIROFOCUS TECHNOLOGIES LLC | 1 | 107,810 |
| 45 | Befesa Zinc US INC | 1 | 107,697 |
| 46 | Cleveland-Cliffs Steel Corporation | 1 | 107,636 |
| 47 | GOPHER RESOURCE LLC | 1 | 105,184 |
| 48 | Granges Americas, Inc | 1 | 101,749 |
| 49 | HEMLOCK SEMICONDUCTOR OPERATIONS LLC | 1 | 101,529 |
| 50 | AMERICAN GYPSUM CO /GYPSUM WALLBOARD PLT | 1 | 99,829 |
| 51 | PHELPS DODGE REFINING CORPORATION | 1 | 99,065 |
| 52 | BASF CORP ATTAPULGUS OPS | 1 | 98,114 |
| 53 | Continental Palatka, LLC. | 1 | 97,766 |
| 54 | BUICK RESOURCE RECYCLING FACILITY | 1 | 97,483 |
| 55 | EAST PENN LYONS SMELTER & BATTERY PLT | 1 | 96,363 |
| 56 | Cleveland-Cliffs Tek Inc. and Cleveland-Cliffs Kote Inc. | 1 | 96,196 |
| 57 | HEMLOCK SEMICONDUCTOR OPERATIONS LLC | 1 | 95,010 |
| 58 | WISE ALLOYS, LLC - Alabama Reclamation Plant | 1 | 94,254 |
| 59 | MARTIN MARIETTA MAGNESIA SPECIALTIES, LLC | 1 | 93,079 |
| 60 | SHERWIN ALUMINA PLANT | 1 | 92,231 |
| 61 | DC Alabama Inc. | 1 | 91,863 |
| 62 | Evraz Oregon Steel | 1 | 89,736 |
| 63 | Waupaca Foundry Inc. PLANT 6 | 1 | 89,018 |
| 64 | Georgia-Pacific Gypsum LLC - Cumberland | 1 | 88,654 |
| 65 | Gold Bond - MTH Plant | 1 | 88,127 |
| 66 | Gold Bond - BAL Plant | 1 | 87,712 |
| 67 | HUNTINGTON ALLOYS CORPORATION | 1 | 87,219 |
| 68 | US GYPSUM - BRIDGEPORT PLANT | 1 | 86,825 |
| 69 | FREEPORT-MCMORAN MIAMI INC | 1 | 84,091 |
| 70 | REVERE SMELTING & REFINING CORP | 1 | 83,255 |
| 71 | Georgetown Facility | 1 | 81,884 |
| 72 | Gold Bond - SHI Plant | 1 | 78,085 |
| 73 | Felman Production, Inc. | 1 | 76,301 |
| 74 | REPUBLIC STEEL, LACKAWANNA | 1 | 75,645 |
| 75 | GRIFFIN PIPE PRODUCTS COMPANY - LYNCHBURG | 1 | 74,210 |
| 76 | Gold Bond - APL Plant | 1 | 72,865 |
| 77 | United States Gypsum Company of Sweetwater | 1 | 71,690 |
| 78 | CERTAINTEED GYPSUM | 1 | 71,280 |
| 79 | US GYPSUM - ALIQUIPPA PLANT | 1 | 70,766 |
| 80 | Waupaca Foundry INC. - PLT 1 | 1 | 69,832 |
| 81 | Dal-Tile Sunnyvale Mfg | 1 | 69,447 |
| 82 | US GYPSUM - PLASTER CITY PLANT | 1 | 69,301 |
| 83 | US GYPSUM - SPERRY PLANT | 1 | 68,265 |
| 84 | CERTAINTEED GYPSUM & CEILING MFG INC | 1 | 68,192 |
| 85 | ALMATIS INC - BAUXITE ARKANSAS | 1 | 68,156 |
| 86 | AK Steel Corporation West Works | 1 | 68,113 |
| 87 | Hydro Extrusion USA, LLC | 1 | 67,935 |
| 88 | DAL-ITALIA | 1 | 67,886 |
| 89 | IMCO RECYCLING OF OHIO LLC | 1 | 67,595 |
| 90 | NEENAH FOUNDRY CO PLTS 2 & 3 | 1 | 66,845 |
| 91 | AMERICAN GYPSUM COMPANY | 1 | 65,720 |
| 92 | Tenaris Bay City, Inc. | 1 | 63,661 |
| 93 | QUEMETCO INC | 1 | 62,962 |
| 94 | USG Interiors, Inc. | 1 | 62,422 |
| 95 | McWane Ductile - Ohio | 1 | 61,914 |
| 96 | SAINT-GOBAIN ABRASIVES and SAINT-GOBAIN CERAMICS & PLASTICS, INC. | 1 | 61,714 |
| 97 | Continental Buchanan, LLC. | 1 | 61,321 |
| 98 | Dal-Tile Dickson | 1 | 58,733 |
| 99 | ARCELORMITTAL TUBULAR PRODUCTS USA LLC | 1 | 58,554 |
| 100 | US GYPSUM - SHOALS PLANT | 1 | 57,297 |
| 101 | WYMAN GORDON FORGINGS | 1 | 56,529 |
| 102 | Befesa Zinc US INC | 1 | 56,178 |
| 103 | CERTAINTEED GYPSUM SEATTLE | 1 | 55,218 |
| 104 | CHARLOTTE PIPE & FOUNDRY CO | 1 | 54,536 |
| 105 | McWane Ductile-New Jersey | 1 | 54,278 |
| 106 | McWane Ductile - Utah, A Division of McWane Inc. | 1 | 53,531 |
| 107 | OWENS CORNING INSULATING SYSTEMS, LLC - JOPLIN | 1 | 53,078 |
| 108 | THE BELDEN BRICK COMPANY (0679000118) | 1 | 52,847 |
| 109 | GEORGIA PACIFIC GYPSUM | 1 | 52,386 |
| 110 | Novelis ALR Aluminum LLC (Davenport Casting) | 1 | 52,046 |
| 111 | GEORGIA-PACIFIC GYPSUM LLC, WHEATFIELD, INDIANA | 1 | 51,877 |
| 112 | Gunite Corporation | 1 | 51,596 |
| 113 | Gold Bond - MED Plant | 1 | 51,045 |
| 114 | Georgia-Pacific Gypsum | 1 | 50,535 |
| 115 | JSW Steel (USA) Inc. | 1 | 50,421 |
| 116 | GENERAL MOTORS LLC BEDFORD CETC | 1 | 49,995 |
| 117 | REAL ALLOY SPECIFICATION, LLC. | 1 | 49,974 |
| 118 | HAYNES INTERNATIONAL INCORPORATED | 1 | 49,963 |
| 119 | ATI Allvac - Monroe | 1 | 49,708 |
| 120 | NOVELIS ALUMINUM CORPORATION | 1 | 49,542 |
| 121 | NORTHEAST SOLITE CORPORATION | 1 | 49,537 |
| 122 | ELEMENT RESOURCES-GARFIELD FACILITY LLC | 1 | 49,526 |
| 123 | GREDE LLC REEDSBURG | 1 | 49,270 |
| 124 | UNITED STATES PIPE & FOUNDRY CO LLC | 1 | 48,905 |
| 125 | Arcosa Lightweight - Brooks Plant | 1 | 48,654 |
| 126 | IMERYS SANDERSVILLE CALCINE PLANT | 1 | 48,422 |
| 127 | US GYPSUM - GALENA PARK PLANT | 1 | 48,397 |
| 128 | G P GYPSUM SWEETWATER WALLBOARD PLANT | 1 | 47,857 |
| 129 | CERTAINTEED GYPSUM NASHVILLE | 1 | 47,752 |
| 130 | TCI Texarkana, Inc | 1 | 47,275 |
| 131 | EJ USA, Inc. - East Jordan Foundry | 1 | 47,057 |
| 132 | AUDUBON METALS LLC | 1 | 46,490 |
| 133 | US GYPSUM - RAINIER PLANT | 1 | 46,451 |
| 134 | Georgia-Pacific Gypsum LLC - McQueeney | 1 | 45,965 |
| 135 | US GYPSUM - WASHINGTONVILLE PLANT | 1 | 45,942 |
| 136 | Gold Bond - FTD Plant | 1 | 45,686 |
| 137 | FLORIM USA INC | 1 | 45,479 |
| 138 | SOUTHWIRE COMPANY KENTUCKY PLANT | 1 | 45,360 |
| 139 | US GYPSUM - GYPSUM PLANT | 1 | 45,022 |
| 140 | JW Aluminum | 1 | 44,418 |
| 141 | AMERICAN GYPSUM COMPANY | 1 | 44,343 |
| 142 | REYNOLDS FOIL, INC. | 1 | 43,881 |
| 143 | Georgia-Pacific Gypsum LLC - Fletcher | 1 | 43,413 |
| 144 | CADILLAC CASTING, INCORPORATED | 1 | 42,890 |
| 145 | BASF CORP SAVANNAH OPERATIONS | 1 | 42,453 |
| 146 | Gold Bond - ROT Plant | 1 | 42,101 |
| 147 | Wacker Polysilicon North America, LLC | 1 | 42,069 |
| 148 | JAMES HARDIE BUILDING PRODUCTS, INC. (CLEB) | 1 | 41,865 |
| 149 | Cleveland-Cliffs Steel Corporation | 1 | 41,317 |
| 150 | US GYPSUM - JACKSONVILLE PLANT | 1 | 41,305 |
| 151 | STONEPEAK CERAMICS INC | 1 | 41,192 |
| 152 | MATALCO (U.S.), INC. | 1 | 41,191 |
| 153 | CertainTeed Gypsum | 1 | 40,964 |
| 154 | Georgia-Pacific Gypsum LLC - Fort Dodge | 1 | 40,469 |
| 155 | WHEATLAND TUBE COMPANY - COUNCIL | 1 | 40,147 |
| 156 | Quemetco, Inc. | 1 | 39,747 |
| 157 | PABCO Building Products | 1 | 39,612 |
| 158 | GEORGIA-PACIFIC GYPSUM LLC | 1 | 39,504 |
| 159 | US GYPSUM - EAST CHICAGO PLANT | 1 | 39,395 |
| 160 | GLOBAL TUNGSTEN & POWDERS CORP | 1 | 38,954 |
| 161 | Carbide Industries LLC | 1 | 38,750 |
| 162 | Jewel Acquisition - Louisville Facility | 1 | 38,177 |
| 163 | Aggregate Industries SWR, Inc. - Utelite Plant | 1 | 38,019 |
| 164 | USS-UPI, LLC | 1 | 37,888 |
| 165 | TITANIUM METALS CORP TORONTO PLANT | 1 | 37,338 |
| 166 | Gold Bond - WLM Plant | 1 | 37,298 |
| 167 | Georgia-Pacific Gypsum LLC | 1 | 37,217 |
| 168 | Gold Bond - LGB Plant | 1 | 37,117 |
| 169 | ACME GYPSUM FACILITY | 1 | 37,014 |
| 170 | SUPERIOR ALUMINUM ALLOYS LLC | 1 | 36,254 |
| 171 | OHIO VALLEY ALUMINUM CO INC | 1 | 36,108 |
| 172 | NOVELIS CORP - GREENSBORO | 1 | 35,775 |
| 173 | ARCONIC LAFAYETTE LLC | 1 | 35,553 |
| 174 | Revere Copper Products, Inc. | 1 | 35,318 |
| 175 | Cherokee Brick & Tile Company | 1 | 35,184 |
| 176 | CertainTeed Gypsum NC, Inc. | 1 | 34,941 |
| 177 | MITSUBISHI POLYCRYSTALLINE SILICON AMERICAN CORPORATION | 1 | 34,410 |
| 178 | DAL TILE INTERNATIONAL | 1 | 34,122 |
| 179 | Gold Bond - SHO Plant | 1 | 33,768 |
| 180 | GEORGIA PACIFIC Gypsum LLC | 1 | 33,723 |
| 181 | Real Alloy Recycling, LLC | 1 | 33,451 |
| 182 | JSW Steel USA Ohio, Inc. | 1 | 33,371 |
| 183 | CertainTeed Gypsum Manufacturing | 1 | 33,184 |
| 184 | Bonnell Aluminum, Inc. | 1 | 33,128 |
| 185 | TEXTRON CWC DIVISION | 1 | 33,022 |
| 186 | REAL ALLOY SPECIFICATION, LLC. | 1 | 32,991 |
| 187 | REC SILICON | 1 | 32,621 |
| 188 | Gold Bond - POR Plant | 1 | 32,554 |
| 189 | Huber Specialty Hydrates | 1 | 32,545 |
| 190 | SDI LaFarga - Copperworks | 1 | 32,382 |
| 191 | Webco Industries, Star Center Tube | 1 | 32,083 |
| 192 | FCA KOKOMO CASTING PLANT | 1 | 32,011 |
| 193 | Aurubis Buffalo Inc. | 1 | 31,912 |
| 194 | Gold Bond- BUR Plant | 1 | 31,901 |
| 195 | TYLER PIPE COMPANY | 1 | 31,899 |
| 196 | VANDERGRIFT FACILITY | 1 | 31,809 |
| 197 | USG INTERIORS, LLC - GREENVILLE PLANT | 1 | 31,700 |
| 198 | CATERPILLAR INC.-MAPLETON | 1 | 31,671 |
| 199 | USG INTERIORS, LLC - RED WING PLANT | 1 | 31,567 |
| 200 | Ryobi Die Casting | 1 | 31,516 |
| 201 | Hydro Extrusion USA, LLC. | 1 | 31,364 |
| 202 | KAISER ALUMINUM (0145010093) | 1 | 31,255 |
| 203 | Steel Dynamics | 1 | 30,781 |
| 204 | James Hardie Building Products | 1 | 30,700 |
| 205 | VISTA METALS CORPORATION | 1 | 30,073 |
| 206 | CORNING INCORPORATED - BLACKSBURG PLANT | 1 | 30,035 |
| 207 | THERMAFIBER INC | 1 | 29,696 |
| 208 | Potters Industries LLC. - Apex, NC | 1 | 29,482 |
| 209 | 3M Pittsboro | 1 | 29,340 |
| 210 | Owens Corning | 1 | 29,026 |
| 211 | Gold Bond - ANN Plant | 1 | 28,802 |
| 212 | MOST INC | 1 | 28,570 |
| 213 | Fiberteq, LLC | 1 | 28,180 |
| 214 | BENTELER Steel Tube Manufacturing Corp | 1 | 28,114 |
| 215 | JAMES HARDIE BUILDING PRODUCTS, INC. (PERU) | 1 | 28,023 |
| 216 | Johns Manville | 1 | 27,946 |
| 217 | James Hardie Building Products, Inc. | 1 | 27,246 |
| 218 | Skana Aluminum Company | 1 | 27,077 |
| 219 | Endicott Clay Products Co. | 1 | 27,049 |
| 220 | Gold Bond - WWG Plant | 1 | 27,024 |
| 221 | Jupiter Aluminum Corp | 1 | 26,913 |
| 222 | Potters Industries, Inc. - Muscatine, IA | 1 | 26,855 |
| 223 | Golden Aluminum Inc. | 1 | 26,760 |
| 224 | Defiance Casting Operations (0320010001) | 1 | 26,732 |
| 225 | Gold Bond - RIC Plant | 1 | 26,683 |
| 226 | COMMERCIAL BRICK | 1 | 26,489 |
| 227 | Granges Americas Inc.- SRM | 1 | 26,477 |
| 228 | Gold Bond - SAV Plant | 1 | 26,402 |
| 229 | GENERAL MOTORS SAGINAW METAL CASTING OPERATIONS | 1 | 26,068 |
| 230 | Matalco Inc. | 1 | 25,546 |
| 231 | Gold Bond - WAK Plant | 1 | 25,484 |
| 232 | Wieland Rolled Products North America | 1 | 25,466 |
| 233 | MOST, INC | 1 | 25,345 |
| 234 | Worthington Industries | 1 | 25,288 |
| 235 | JESSOP STEEL, LLC WASHINGTON FACILITY | 1 | 25,022 |
| 236 | RMI Titanium Company LLC | 1 | 24,830 |
| 237 | Tyler Union | 1 | 24,646 |
| 238 | CERTAINTEED CEILINGS CORP | 1 | 24,506 |
| 239 | ACME BRICK CO ELGIN PLANT | 1 | 24,463 |
| 240 | OSCO Industries, Inc. Jackson Division | 1 | 24,082 |
| 241 | Hydro Extrusion USA LLC | 1 | 24,006 |
| 242 | Potters Industries, Inc. - Brownwood, TX | 1 | 23,964 |
| 243 | WESTERN AGGREGATES INCORPORATED | 1 | 23,511 |
| 244 | Materion Brush, Inc. | 1 | 23,472 |
| 245 | ENKEI AMERICA INC | 1 | 23,366 |
| 246 | Potters Industries, Inc. - Potsdam, NY | 1 | 23,267 |
| 247 | Kohler Co. - Brownwood - Main Plant | 1 | 23,212 |
| 248 | US Steel (Fairfield Works) | 1 | 22,962 |
| 249 | Acme Brick - Texas Clay Plants | 1 | 22,881 |
| 250 | US Steel - Fairless Hills Plant | 1 | 22,847 |
| 251 | Bonnell Aluminum, Inc. | 1 | 22,471 |
| 252 | KEYMARK CORP PLANT | 1 | 21,774 |
| 253 | Forest City Facility LLC | 1 | 21,122 |
| 254 | GREDE LLC - IRON MOUNTAIN | 1 | 20,883 |
| 255 | Acme Brick - Denton Plant | 1 | 20,871 |
| 256 | US GYPSUM - SOUTHARD PLANT | 1 | 20,842 |
| 257 | USG INTERIORS, LLC - WALWORTH PLANT | 1 | 20,794 |
| 258 | Nemak USA Inc. - Gateway | 1 | 20,304 |
| 259 | NEMAK USA INC | 1 | 20,245 |
| 260 | Carolina Stalite Company | 1 | 20,050 |
| 261 | REC SOLAR GRADE SILICON | 1 | 19,948 |
| 262 | MONARCH CERAMIC TILE INC | 1 | 19,935 |
| 263 | DALTON CORP WARSAW MFG FACILITY | 1 | 19,837 |
| 264 | ISOLATEK INTERNATIONAL | 1 | 19,503 |
| 265 | Great Lakes Castings LLC | 1 | 19,470 |
| 266 | PCC STRUCTURALS INC | 1 | 19,375 |
| 267 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. (0145000213) | 1 | 18,808 |
| 268 | Hydro Extrusion USA | 1 | 18,704 |
| 269 | Superior Industries International Arkansas, LLC | 1 | 18,248 |
| 270 | WARD MANUFACTURING LLC | 1 | 18,241 |
| 271 | Kentucky Electric Steel Company | 1 | 17,690 |
| 272 | ASARCO LLC AMARILLO COPPER REFINERY | 1 | 17,257 |
| 273 | Shultz Steel Company | 1 | 17,043 |
| 274 | CARBO Ceramics Inc. - Toomsboro Plant | 1 | 16,079 |
| 275 | CARBO Ceramics Inc. - McIntyre Plant | 1 | 15,335 |
| 276 | Kohler Co. - Spartanburg Plant | 1 | 15,320 |
| 277 | Republic Steel - Lorain Plant | 1 | 15,316 |
| 278 | AMERICAN GYPSUM - BERNALILLO (WALLBOARD) PLANT | 1 | 15,261 |
| 279 | Michigan Seamless Tube, LLC | 1 | 14,895 |
| 280 | BRADKEN ATCHISON/ST JOSEPH | 1 | 14,800 |
| 281 | Cleveland-Cliffs Steel Corporation - Zanesville Works | 1 | 14,757 |
| 282 | Allegheny & Tsingshan Stainless, LLC | 1 | 14,163 |
| 283 | TG Missouri Corporation | 1 | 14,053 |
| 284 | NEMAK USA INC | 1 | 13,761 |
| 285 | CARBO Ceramics Inc. - Eufaula Plant | 1 | 13,569 |
| 286 | US Silica Company - Millen Plant | 1 | 11,777 |
| 287 | Clarios, LLC - Florence Recycling Center | 1 | 11,450 |
| 288 | Cleveland-Cliffs Burns Harbor, LLC - Gary Plate | 1 | 10,380 |
| 289 | IPSCO KOPPEL TUBULARS CORP AMBRIDGE PLT | 1 | 10,241 |
| 290 | ERWIN MANUFACTURING COMPLEX | 1 | 10,096 |
| 291 | ALLEGHENY LUDLUM, BAGDAD FACILITY | 1 | 9,304 |
| 292 | Amsted Rail Company, Inc. | 1 | 8,873 |
| 293 | LUFKIN INDUSTRIES INC | 1 | 8,745 |
| 294 | US GYPSUM - NORFOLK PLANT | 1 | 6,546 |
| 295 | EAST CHICAGO RECOVERY INC | 1 | 6,267 |
| 296 | Spartan Light Metal Products, Inc. | 1 | 6,133 |
| 297 | DOE RUN COMPANY | 1 | 5,905 |
| 298 | CLEVELAND-CLIFFS PLATE LLC/CONSHOHOCKEN PLT | 1 | 5,697 |
| 299 | Joy Global Longview Operations | 1 | 5,077 |
| 300 | Continental Casting LLC | 1 | 4,868 |
| 301 | CONSOLIDATE PRECISION PRODUCTS - MINNEAPOLIS OPERATION | 1 | 4,716 |
| 302 | Imerys Oilfield Minerals | 1 | 4,143 |
| 303 | MagRetech LLC | 1 | 3,241 |
| 304 | United States Gypsum | 1 | 3,212 |
| 305 | Lauscha Fiber International | 1 | 2,142 |
| 306 | Spartan Light Metal Products | 1 | 1,938 |
| 307 | US Steel - Lorain Tubular Operations | 1 | 1,855 |
| 308 | Ardagh Glass Inc. (Salem) | 1 | 1,633 |
| 309 | EXIDE CORP READING SMELTER DIV | 1 | 1,115 |
| 310 | Neaton Auto Products Manufacturing, Inc. | 1 | 947 |
| 311 | Arconic Massena LLC | 1 | 740 |
| 312 | GRIFFIN PIPE PRODUCTS CO | 1 | 683 |
| 313 | Saint-Gobain Proppants (LR) | 1 | 668 |
| 314 | ASARCO LLC Hayden Operations | 1 | 490 |
| 315 | Harsco Metals | 1 | 482 |
| 316 | US STEEL - EAST CHICAGO TIN | 1 | 466 |
| 317 | ALCOA WORLD ALUMINA ATLANTIC | 1 | 445 |
| 318 | Titanium Metals Corporation | 1 | 233 |
| 319 | Terves Inc | 1 | 142 |
| 320 | Century Castings Corporation | 1 | 131 |
| 321 | PILKINGTON NORTH AMERICA INCORPORATED | 1 | 108 |
| 322 | TAMCO | 1 | 103 |
| 323 | GLOBE METALLURGICAL INC | 1 | 74 |
| 324 | Magnesium Products of America, Inc | 1 | 40 |
| 325 | GLOBE METALLURGICAL | 1 | 31 |
| 326 | GRAYMONT WESTERN US INC | 1 | 22 |
| 327 | EXIDE TECHNOLOGIES | 1 | 21 |
| 328 | SAINT GOBAIN PROPPANTS (FS) | 1 | 19 |
| 329 | EXIDE TECHNOLOGIES | 1 | 17 |
| 330 | Real Alloy Specification, INC | 1 | 2 |