Gas Production by Company (Thousands of Cubic Feet)
| Company | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1992 | 1991 | 1990 | |
| Total | 128,454,245 | 112,056,643 | 102,850,218 | 88,893,179 | 85,800,555 | 81,085,896 | 76,914,545 | 71,524,817 | 71,545,334 | 72,190,511 | 58,519,271 | 58,248,751 | 54,290,353 | 49,867,443 | 50,259,474 | 37,051,735 | 24,733,611 | 14,906,525 | 14,773,584 | |
| Amvest Oil and Gas Co. | - | - | - | - | - | 11,068 | 9,152 | 10,575 | 12,882 | 23,570 | 22,804 | 29,287 | 30,310 | 15,975 | 19,533 | 50,333 | 27,524 | 26,682 | 34,518 | |
| ANR Production | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2,427,183 | |
| Appalachian Energy | 2,025,063 | 1,301,983 | 918,664 | 821,833 | 788,487 | 702,715 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Ashland Exploration | - | - | - | - | - | - | - | - | - | - | - | - | 893,007 | 1,043,291 | 895,202 | 742,275 | 579,532 | 533,087 | 544,358 | |
| Berea Oil and Gas | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 10,951 | 3,529 | 49,246 | 53,446 | |
| Blazer Energy Company | - | - | - | - | - | - | - | 692,053 | 722,955 | 863,976 | 927,724 | 844,837 | - | - | - | - | - | - | - | |
| Blue Flame Energy | 20,873 | 12,311 | 10,973 | 31,207 | 20,713 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Cabot Oil and Gas Corp. | 7,931,742 | 339,603 | 354,996 | 370,899 | 408,290 | 385,373 | 466,431 | 509,827 | 559,129 | 648,890 | 512,824 | 640,201 | 325,668 | 93,520 | 51,388 | 62,342 | 60,631 | 12,640 | 26,085 | |
| CD&G Development | - | - | - | - | - | - | - | - | - | - | - | - | - | 17,502 | 19,716 | 17,532 | 30,293 | 43,993 | 23,611 | |
| Chesapeake Appalachia, LLC | 13,501,773 | 5,075,247 | 4,474,610 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| CNG Development | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4,095 | |
| CNG Producing | - | - | - | - | - | - | - | - | 1,276 | 6,238 | 4,318 | 6,325 | 7,812 | 8,445 | 10,985 | 9,226 | 15,883 | - | - | |
| CNP Development | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8,978 | - | |
| CNR/ Columbia Gas | - | - | - | 4,384,260 | 3,728,848 | 3,904,676 | 2,089,671 | 2,633,522 | 2,319,973 | 2,259,854 | 2,130,357 | 2,081,935 | 2,052,199 | 1,968,787 | 1,468,457 | 2,402,834 | 2,259,645 | 2,758,472 | - | |
| CNX | 57,755,754 | 63,195,694 | 60,794,276 | 51,870,071 | 52,078,071 | 49,429,032 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Consol, Inc. | - | - | - | - | - | - | 21,784,330 | 23,014,544 | 24,679,867 | 22,981,220 | 20,221,221 | 11,550,416 | 14,154,482 | 9,620,349 | 3,782,860 | 1,158,829 | - | - | - | |
| Consol-Ray | - | - | - | - | - | - | - | - | - | - | - | - | - | 115,828 | 176,583 | 212,679 | 27,451 | 161,292 | 213,131 | |
| Dart Oil & Gas | 386,385 | 470,500 | 224,002 | 1,026 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Daugherty Petroleum, Inc. | 234,280 | 201,099 | 199,715 | 167,473 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Dominion Appalachian | 77,153 | 88,420 | 87,197 | 64,957 | 75,495 | 112,906 | 116,692 | 131,012 | 161,320 | 123,683 | 31,376 | 29,429 | - | - | - | - | - | - | - | |
| Eastern American Energy | 23,223 | 47,070 | 39,408 | 36,346 | 38,343 | 42,664 | 43,022 | 35,561 | 42,557 | 45,323 | 49,529 | 44,685 | 55,842 | 63,714 | 70,265 | 63,907 | - | - | - | |
| Edisto Resources | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 27,137 | 48,031 | 65,060 | |
| EHPC | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 250,020 | |
| Elliot Production | 6,464 | 3,385 | 7,718 | 9,923 | 7,144 | 16,914 | 18,634 | 17,197 | 14,408 | 18,670 | 20,901 | 25,346 | 24,695 | 15,899 | 23,947 | 26,290 | 26,791 | 26,773 | 30,588 | |
| EMAX Oil | - | - | - | - | - | - | - | - | - | - | - | - | 36,226 | 54,188 | 46,998 | 59,108 | 24,466 | - | EOG Resources | 1,291 | 16,685 | 158,702 | 90,437 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Equitable Res./ EREX | 42,559,843 | 39,569,145 | 34,502,945 | 30,457,674 | 27,594,363 | 25,568,583 | 26,558,737 | 23,717,584 | 25,341,354 | 28,963,759 | 20,979,412 | 21,298,770 | 21,526,820 | 20,291,402 | 21,940,172 | 17,143,791 | 14,146,125 | 10,851,183 | 7,859,818 | |
| Evan Energy | - | - | - | - | 221,354 | 317,799 | 476,386 | 123,442 | 100,747 | 25,050 | - | - | - | - | - | - | - | - | - | |
| Excel Energy | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 43,033 | 29,987 | 23,646 | |
| Exploration Partners | - | - | - | 1,775 | 5,809 | 13,066 | 14,943 | 16,774 | 18,785 | 20,736 | 24,812 | 25,863 | 29,683 | 31,256 | 38,689 | 35,507 | - | - | - | |
| Gas Exploration | - | - | - | - | - | - | - | - | - | - | - | - | 38,138 | 11,084 | - | - | - | - | - | |
| Geomet | 424,528 | 334,023 | 334,151 | 287,619 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Glamorgan Gas Co. | 10,201 | 10,178 | 9,474 | 10,780 | 11,044 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Hard Rock Exploration | 194,720 | 200,344 | 91,136 | 28,271 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Island Creek Coal Co. | - | - | - | - | 612,663 | 398,872 | 448,128 | 675,523 | 982,306 | 1,076,139 | 684,604 | 872,372 | 1,230,615 | 2,176,900 | 7,277,535 | 5,398,875 | 1,560,080 | - | - | |
| Linn Operating, Inc. | 54,905 | 58,811 | 52,584 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| North Coast Energy | - | 935 | 8,788 | 23,171 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Oxy USA | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1,228,927 | 124,391 | - | 17,608 | |
| P & S Corporation | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 12,132 | 22,895 | 23,073 | 28,555 | |
| Panther Crk. Ltd. | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 36,032 | 25,421 | 13,086 | 8,560 | 18,731 | |
| Paramont Energy | 40,973 | 39,551 | 45,962 | 30,251 | 33,379 | 34,192 | 16,440 | - | - | - | - | - | - | - | - | - | - | - | - | |
| Peake Operating | - | - | - | - | 8,850 | 27,026 | 21,540 | 20,704 | 21,264 | 20,749 | 23,413 | 41,113 | 31,551 | 19,718 | 23,087 | 36,360 | 21,918 | 23,705 | 45,848 | |
| Penn VA Resources | 656 | 2,368 | 2,865 | 1,029 | 3,250 | 2,246 | 15,951 | 11,779 | 13,369 | 12,343 | 13,177 | 14,431 | 16,500 | 3,964 | - | - | - | - | - | |
| Pine Mountain | 3,204,418 | 1,078,603 | 519,122 | 198,983 | 160,770 | 103,132 | 96,286 | 121,617 | 112,409 | 116,392 | 124,175 | 133,937 | 142,522 | 99,985 | 117,388 | 128,196 | 153,394 | 98,545 | 112,906 | |
| Pocahontas Gas Partnership | - | - | - | - | - | - | - | 23,148,773 | 18,972,291 | 15,575,526 | 14,001,118 | 11,937,557 | 19,315,049 | 12,327,553 | 12,479,716 | 11,976,158 | 7,511,691 | 2,588,131 | - | - |
| PVRC | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 164,319 | |
| R & B Petroleum | 0 | 688 | 12,930 | 5,194 | 3,682 | 15,536 | 16,486 | 22,639 | 20,767 | 10,708 | 22,198 | 26,864 | 12,744 | - | - | 12,387 | 9,725 | 15,344 | 27,123 | |
| Ratliff Gas Co. | - | - | - | - | - | 96 | 422 | 462 | 395 | 566 | 1,668 | 1,627 | 2,356 | 594 | 66 | - | - | - | - | |
| Scott Oil and Gas | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 44,463 | |
| Virginia Gas Co. | - | - | - | - | - | - | 812,521 | 815,711 | 844,045 | 971,527 | 1,060,320 | 1,217,822 | 1,358,120 | 1,669,296 | 1,776,893 | 1,648,629 | 995,324 | 661,295 | - |