Holly Energy Partners is having a jolly good time piping petroleum. The company transports refined petroleum products and crude oil from Holly Corporation's Navajo refinery in New Mexico and Woods Cross refinery in Utah, and Alon USA's Big Spring refinery in Texas, to customers in the southwestern US. It operates 1,330 miles of refined petroleum pipelines (including 340 miles of leased pipelines), 11 distribution terminals, one jet fuel terminal, and two truck-loading facilities used to transport gasoline, diesel, and jet fuel. Holly Corporation, the parent of the company's general partner (Holly Logistics), holds a 46% stake in Holly Energy Partners.

Black Raven Energy (formerly PRB Energy) is engaged in coal-bed methane production in the Rocky Mountains. Black Raven Energy, Inc. focuses on natural gas gathering and exploration and production. Black Raven Energy, Inc. exploration and gathering and processing operations are primarily located in the Powder River Basin. In 2007 PRB Energy was targeting reserves of about 100 billion cu. ft. of natural gas equivalent, before deteriorating finances hurt its expansion plans. Black Raven Energy, Inc. filed for Chapter 11 bankruptcy protection in 2008. In preparation to emerge from bankruptcy Black Raven Energy, Inc. reorganized as Black Raven Energy in 2009.

Hiland Partners, LP is a midstream energy partnership engaged in purchasing, gathering, compressing, dehydrating, treating, processing and marketing of natural gas and the fractionating, or separating, and marketing of natural gas liquids, or NGLs. Hiland Partners also provides air compression and water injection services to Continental Resources, Inc. ("CLR"), a publicly traded exploration and production company, for use in its oil and gas secondary recovery operations. Hiland Partners' operations are primarily located in the Mid-Continent and Rocky Mountain regions of the United States. In the Partnership's midstream segment, Hiland Holdings GP, LP connects the wells of natural gas and crude oil producers in its operating areas to its gathering systems, treats natural gas to remove impurities, processes natural gas for the removal of NGLs, fractionates NGLs into NGL products and provides an aggregate supply of natural gas and NGL products to a variety of transmission pipelines and markets.

Quest Energy Partners, L.P. engages in the acquisition, exploitation, and development of oil and natural gas properties in the Cherokee basin of southeastern Kansas and northeastern Oklahoma (the Cherokee Basin Operations), and the Appalachian Basin in West Virginia and New York. Quest Energy Partners, L.P. Appalachian Basin operations primarily focus on the development of the Marcellus Shale; and Cherokee Basin Operations focus on developing coal bed methane gas production. As of December 31, 2008, Quest Energy Partners, L.P. had a total of approximately 167.1 billion cubic feet equivalent of net proved reserves. Quest Energy Partners, L.P. also operated approximately 2,438 gross gas wells in the Cherokee Basin and 27 gross oil wells. In addition, Quest Energy Partners, L.P. had approximately 4,000 oil and gas leases covering approximately 559,084 net acres; and owned the development rights to approximately 557,603 net acres throughout the Cherokee Basin. Quest Energy GP, LLC serves as the general partner of Quest Energy Partners, L.P. Quest Energy Partners, L.P. is based in Oklahoma City, Oklahoma. Quest Energy Partners, L.P. is a subsidiary of Quest Resource Corporation.

Insignia Energy Ltd.is oil and gas exploration and development company. Insignia Energy Ltd. focuses on finding and exploiting high quality, long-lived reserves in properties in northern, eastern, and central Alberta. Insignia Energy produces about 3,300 barrels of oil equivalent per day of natural gas. Insignia Energy Ltd. has proved reserves in 7.9 million barrels of oil equivalent and an undeveloped land base of 235,000 net acres. In 2008 Insignia Energy completed a reverse takeover of Flagship Energy. In 2009 it expanded further, acquiring fellow explorer Grey Wolf Exploration.

The Nabors companies own and operate approximately 528 land drilling and approximately 763 land workover and well-servicing rigs in North America. Nabors' actively marketed offshore fleet consists of 37 platform rigs, 13 jack-up units and 3 barge rigs in the United States and multiple international markets. In addition, Nabors manufactures top drives and drilling instrumentation systems and provides comprehensive oilfield hauling, engineering, civil construction, logistics and facilities maintenance, and project management services. Nabors participates in most of the significant oil, gas and geothermal markets in the world. Nabors Drilling USA also provides well control equipment rental, equipment engineering, technical support and other rig-related services.

RKA Petroleum is a regional wholesale distributor of petroleum products to commercial and retail fueling locations in the US. Led by the RKA Petroleum Terminal in Romulus, Michigan, RKA Petroleum Companies, LLC has storage capacity of more than 13 million gallons of product, including an additional storage capacity of more than 60,000 gallons for alternative fuels.

TXCO Resources Inc. is a full-cycle, U.S.-based, oil and gas exploration and production company with a diversified exploitation, development and exploration project inventory. Based in San Antonio, TXCO has more than 720,000 net acres under lease (1.3 million gross acres). TXCO Resources Inc. leverages its geological and geophysical expertise to increase shareholder value. TXCO Resources Inc. applies new technology to overlooked opportunities in high-potential areas that offer multiple resource plays and thousands of drilling prospects. Through its direct efforts and joint ventures with other oil and gas firms, the company explores for oil and natural gas in the Dakotas, Montana, and South Texas. In 2008 TXCO Resources Inc. reported estimated proved reserves of 81.7 billion cu. ft. of natural gas equivalent. TXCO Resources sells its oil and gas wholesale through independent marketers. Facing tough economic times, TXCO Resources Inc. filed for Chapter 11 bankruptcy protection in May, 2009.

GeoTomo develops high-end geophysical software products that help geophysicists around the world to image beneath the subsurface. Oil and gas companies use GeoTomo’s software solutions to significantly reduce the risk and cost of finding and producing hydrocarbons. Geophysical engineering companies use GeoTomo’s software products to image buried objects or near-surface layers. GeoTomo LLC services include 2D and 3D seismic and tomographic imaging and java software development used for the presentation of results. Software designers, programming engineers, and collaborating users work together to design, implement, and test the company's products.

TerraVest Income Fund (formerly Laniuk Industries) holds six companies close to its vest. TerraVest Income Fund invests in RJV Gas Field Services and Ezee-On Manufacturing. RJV supplies wellhead processing equipment to some of Western Canada's biggest natural gas producers. Ezee-On manufactures agricultural equipment, including cultivators, front-end loaders for grain farms and livestock operations, and seeder carts. TerraVest also has investments in furniture maker Stylus, well servicing company Diamond Energy Services (with about 25 rigs), and home textile products manufacturer Beco Industries. In addition, TerraVest Income Fund has invested in sheet metal and venting products manufacturer Don Park.

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