| Fishcamp #142-239-33647 | Allegro Investments Inc. | Jackson, TXEl Toro South (5600 F.B.E.) | PluggedGas | 7,000 | Oct 23, 2014 | — | — |
| Meek #142-469-33722 | Allegro Investments Inc. | Victoria, TXInez S.W. (3800) | PluggedGas | 5,500 | Jun 6, 2003 | — | — |
| McLeod Gas Unit #242-239-33203 | Allegro Investments Inc. | Jackson, TXEdna S. (5490) | PluggedGas | 7,000 | Feb 5, 2003 | — | — |
| Claire Mary #142-481-34435 | Allegro Investments Inc. | Wharton, TXHungerford North (Frio 4175) | PluggedGas | 4,800 | Feb 28, 2002 | — | — |
| McCan C. K. #11S42-469-33405 | Allegro Investments Inc. | Victoria, TXWelder Ranch (2400) | PluggedGas | 4,400 | Dec 11, 2001 | — | — |
| Kutchka #142-469-33616 | Allegro Investments Inc. | Victoria, TXWitte (UF-137) | PluggedGas | 5,900 | Sep 14, 2001 | — | — |
| Signal Hill #142-239-33152 | Allegro Investments Inc. | Jackson, TXBig 12 (10 400) | PluggedGas | 19,000 | Jul 16, 2001 | — | — |
| Sample #342-239-33146 | Allegro Investments Inc. | Jackson, TXCordele (4000) | PluggedGas | 5,800 | Jul 3, 2001 | — | — |
| Johnson Foundation #342-239-33143 | Allegro Investments Inc. | Jackson, TXCordele (Greta Fiew 5070) | PluggedGas | 6,000 | Jun 15, 2001 | — | — |
| Cathy #142-175-33322 | Allegro Investments Inc. | Goliad, TXDreyer (1500) | PluggedGas | 2,500 | Feb 14, 2001 | — | — |
| Cihal #142-239-33112 | Allegro Investments Inc. | Jackson, TXCordele (4500) | PluggedGas | 5,500 | Feb 14, 2001 | — | — |
| Marthiljohni #142-239-33116 | Allegro Investments Inc. | Jackson, TXBright Falcon (Frio 5160) | PluggedGas | 9,000 | Feb 14, 2001 | — | — |
| Massey #142-469-33562 | Allegro Investments Inc. | Victoria, TXWildcat | PluggedOil | 8,350 | Feb 2, 2001 | — | — |
| Traylor #242-239-33111 | Allegro Investments Inc. | Jackson, TXMaude B. Traylor N. (29 Seg. A) | PluggedGas | 10,000 | Jan 29, 2001 | — | — |
| Wilbeck #242-239-33097 | Allegro Investments Inc. | Jackson, TXHigh Star (Frio) | PluggedGas | 5,500 | Oct 11, 2000 | — | — |
| Sample #242-239-33093 | Allegro Investments Inc. | Jackson, TXCordele East (5300) | PluggedGas | 5,800 | Sep 29, 2000 | — | — |
| Hensley-Johnny #142-239-33094 | Allegro Investments Inc. | Jackson, TXMaude B. Traylor North (42) | PluggedGas | 9,900 | Sep 29, 2000 | — | — |
| Schaefer-Buckner - HSL #4-T42-239-32898 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 4,150 | Sep 19, 2000 | — | — |
| Young Sisters #142-239-33092 | Allegro Investments Inc. | Jackson, TXCollier (4500) | PluggedGas | 10,800 | Sep 19, 2000 | — | — |
| McCan C. K. Ranch #9S42-469-33279 | Allegro Investments Inc. | Victoria, TXWelder Ranch (1950) | PluggedGas | 2,500 | Aug 23, 2000 | — | — |
| Daniel Estate Unit HSL #242-239-32883 | Allegro Investments Inc. | Jackson, TXMcDaniel (3850) | PluggedGas | 4,800 | May 24, 2000 | — | — |
| 4 Way Ranch #142-239-33069 | Allegro Investments Inc. | Jackson, TXLemel (7200) | PluggedGas | 9,500 | May 24, 2000 | — | — |
| Sappington Farms #142-239-33067 | Allegro Investments Inc. | Jackson, TXEl Toro South (6200) | PluggedGas | 6,900 | May 17, 2000 | — | — |
| Yendrey Fee #242-239-33003 | Allegro Investments Inc. | Jackson, TXBig 12 (11 100) | PluggedOil | 12,800 | Feb 3, 2000 | — | — |
| David #142-239-33054 | Allegro Investments Inc. | Jackson, TXCordele (4850) | PluggedGas | 6,500 | Jan 18, 2000 | — | — |
| Johnson Foundation #142-239-33047 | Allegro Investments Inc. | Jackson, TXCordele (4500) | PluggedGas | 6,000 | Oct 26, 1999 | — | — |
| Raybon-Pressly Unit #142-239-33039 | Allegro Investments Inc. | Jackson, TXCordele (4850) | PluggedGas | 5,500 | Sep 21, 1999 | — | — |
| McCan C. K. #342-469-32327 | Allegro Investments Inc. | Victoria, TXWelder Ranch (3750) | PluggedGas | 4,315 | Aug 27, 1999 | — | — |
| Mark Unit #142-239-33035 | Allegro Investments Inc. | Jackson, TXCordele (4300) | PluggedGas | 5,600 | Aug 25, 1999 | — | — |
| Wilbeck #1-T42-239-33020 | Allegro Investments Inc. | Jackson, TXCordele (4850) | PluggedGas | 6,000 | Jan 11, 1999 | — | — |
| Robinson Ranch - Rob #2142-239-32878 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 5,000 | Jul 24, 1998 | — | — |
| Robinson Ranch - Rob #2342-239-32881 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 4,600 | Jul 24, 1998 | — | — |
| Borchers Ranch - Bor #142-239-32933 | Allegro Investments Inc. | Jackson, TXMcDaniel (2800) | PluggedGas | 4,800 | Jul 24, 1998 | — | — |
| Vaughn #142-285-32578 | Allegro Investments Inc. | Lavaca, TXMcDaniel (3460) | PluggedGas | 6,500 | Feb 6, 1998 | — | — |
| McLeod Gas Unit #1-T42-239-32983 | Allegro Investments Inc. | Jackson, TXEdna S. (5750) | PluggedGas | 7,300 | Nov 25, 1997 | — | — |
| Musselman Ranch - Bor #1042-239-32978 | Allegro Investments Inc. | Jackson, TXMcDaniel (Yegua) | PluggedGas | 6,300 | Nov 14, 1997 | — | — |
| McCan C. K. #642-469-32378 | Allegro Investments Inc. | Victoria, TXWelder Ranch (1960) | PluggedOil | 2,261 | Oct 24, 1997 | — | — |
| Borchers Ranch - Bor E #1242-239-32967 | Allegro Investments Inc. | Jackson, TXMcDaniel (3600) | PluggedGas | 4,000 | Sep 24, 1997 | — | — |
| McCan C. K. #142-469-32273 | Allegro Investments Inc. | Victoria, TXWelder Ranch (3400) | PluggedGas | 4,300 | Aug 15, 1997 | — | — |
| J. C. Thompson Gas Unit #142-175-32971 | Allegro Investments Inc. | Goliad, TXGoliad (Frio 2970) | PluggedGas | 3,500 | Mar 20, 1997 | — | — |
| Fenner Katherine #342-239-32936 | Allegro Investments Inc. | Jackson, TXLost Fork (Yegua 6700) | PluggedGas | 6,850 | Feb 7, 1997 | — | — |
| Borchers Ranch - Bor a #242-239-32934 | Allegro Investments Inc. | Jackson, TXMcDaniel (3600) | PluggedGas | 4,800 | Jan 6, 1997 | — | — |
| McCan C. K. #1142-469-33172 | Allegro Investments Inc. | Victoria, TXSalem (1550) | PluggedGas | 2,800 | Jul 16, 1996 | — | — |
| McCan C.K. #842-469-33160 | Allegro Investments Inc. | Victoria, TXSawgrass (Cordele Sd.) | PluggedOil | 2,800 | May 31, 1996 | — | — |
| McCan C.K. #4 B42-469-33155 | Allegro Investments Inc. | Victoria, TXSawgrass (Cordele Sd.) | PluggedOil | 2,500 | May 20, 1996 | — | — |
| Ormand - Ormd #1R42-239-32910 | Allegro Investments Inc. | Jackson, TXMcDaniel (4340) | PluggedGas | 4,500 | May 15, 1996 | — | — |
| Robinson Ranch - Rob #342-239-32905 | Allegro Investments Inc. | Jackson, TXMcDaniel (3100) | PluggedGas | 5,000 | Apr 15, 1996 | — | — |
| Musselman Ranch - Mus #342-239-32904 | Allegro Investments Inc. | Jackson, TXMcDaniel (3460) | PluggedGas | 5,000 | Apr 12, 1996 | — | — |
| Robinson Ranch - Rob #942-239-32903 | Allegro Investments Inc. | Jackson, TXMcDaniel (3300) | PluggedGas | 5,000 | Apr 9, 1996 | — | — |
| Robinson Ranch - Rob B #1042-239-32901 | Allegro Investments Inc. | Jackson, TXMcDaniel (3460) | PluggedGas | 5,000 | Apr 2, 1996 | — | — |