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| Please click on the tombstones
below for more information about various investments. |
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| April
2004 |
| H.D.
Griffin Company is a mid-west based domestic energy services
company established in 1971. The Company provides operation &
maintenance services on a wide variety of natural gas, chemical and
liquid pipelines of varying sizes in order to ensure pipeline integrity.
In addition to O&M services, we also provide installation and
construction services of main, lateral and local distribution lines.
More information regarding H.D. Griffin Company can be found at www.hdgriffin.com. |
| May
2004 |
| VIRxSYS
is a private biotechnology company that focuses on the development
of a novel lentiviral vector platform technology for the treatment
of serious diseases such as HIV/AIDS and cancer. More information
regarding VIRxSYS can be found at www.virxsys.com. |
| October
2005 |
| Griffin
Pipeline Services LLC is a pipeline maintenance contractor
serving pipeline operators primarily east of the Mississippi. GPS
is a union contractor and a member of the Pipe Line Contractors Association
(PLCA). |
| June
2006 |
| TGCs
Energy Services LLC is a professional management firm specializing
in energy infrastructure projects with an emphasis on pipeline project
services. Based in Houston, Texas, the principals of the firm have
been employed by key pipeline operators in the industry and boast
a collective experience of over 100 years. The principals of the firm
have significant experience in the development, implementation, and
completion of interstate natural gas transmission facilities. More
information regarding TGCs Energy Services can be found at www.tgcsenergy.com. |
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| November
2006 |
| Midwest
Pipeline Services, Inc. is a supplier of labor and equipment
for pipeline maintenance and construction projects throughout the
upper midwest. Services include casing extensions and removals, excavation,
fabrication, farm tap installation and removal, hot taps, hydrostatic
testing, leak repairs, line lowering, sleeving, valve installation,
removal and replacement, corrosion repair, pipeline inspection and
repair, right-of-way clearing and brushing and sandblasting and painting. |
| November
2006 |
| Foltz
Welding, Ltd. provides mainline installation, pipeline rehabilitation,
station construction and hydrostatic testing. More information regarding
Foltz Welding, Ltd. can be found at www.foltzwelding.com. |
| March
2007 |
| Tango
Networks, Inc. designs, manufactures, and markets an innovative,
proprietary, sophisticated, high performance software/server system
that provides a cost effective and transparent means to connect enterprise
employees’ cellular phones to their corporation’s PBX.
More information regarding Tango Networks can be found at www.tango-networks.com. |
| March
2007 |
| AOK
Construction and its affiliates currently provide installation
of gathering lines and other related services to oil and gas exploration
and production companies as well as maintenance and installation services
to the pipeline industry in the Southwestern region of the US. Its
primary operations are in Texas, Oklahoma, Kansas, Arkansas, Colorado
and New Mexico, with focus on gas plays in areas such as the Barnett,
Fayetteville, and Arkoma basins. |
| March
2007 |
| Zounds,
Inc. designs, manufactures, and markets high performance hearing
aids for use with mild, moderate, and moderate/severe hearing impairments.
The Company’s technology enables breakthroughs in product functionality/performance,
price/performance, purchase process/distribution channels, and marketing. |
| March
2007 |
| Spectrum
is an English speaking radio station based in Spain. |
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