Cardtronics is an owner and operator of a nationwide network of automated teller machines in non-bank locations, including convenience stores, grocery stores and other high-traffic retail spaces. Cardtronics is the largest independent ATM network manager in the world.

GHX Holdings is a leading Gulf Coast value-added distributor of a wide range of industrial gaskets, hoses and related fluid sealing products. The company’s corporate headquarters and two fabrication/distribution facilities are located in Houston, TX, with additional facilities located throughout the Gulf Coast region. The company’s customers are involved in various industry sectors including refining, chemical/petrochemical, oil and gas, power generation and manufacturing.

Switch and Data Facilities Company, Inc. is a leading provider of Internet exchange and managed infrastructure services to network-centric enterprises and service providers. Switch and Data operates the largest footprint of any carrier neutral provider in the United States. Switch and Data customers derive a unique and powerful benefit from the richest marketplace created by their direct access to other customers and partners located in the Switch and Data facilities. Content rich companies looking for a robust choice of Internet networks to connect to their end-customers, and Internet service providers seeking to exchange traffic or sell transit find Switch and Data's unparalleled PAIX (Peering and Internet Exchange) products and services to be their solution of choice.

Trinity Steel is a leading regional provider of structural steel fabrication services to the refining, petrochemical, oil & gas, diversified chemical and power end markets. The company operates from three Texas-based fabrication facilities located in Tomball, Trinity, and Lufkin.

Warren Alloy is a leading master distributor of stainless steel, alloy 20, nickel alloy, duplex, aluminum and chrome-moly pipe, fittings and flanges, collectively referred as PVF products. In addition, Warren manufactures and distributes its own valve line, Warren Valve.

American Tower is a wireless and broadcast communications infrastructure company. Its primary business is leasing antenna space on multi-tenant communication towers to wireless and broadcast companies. CapStreet invested in the company in 1994 and subsequently grew the operations to become the largest independent tower company in the U.S.

Doane Pet Care Company is the largest manufacturer of private label dog food in the United States. The company manufactures products for both retail customers, including WalMart, and nationally branded pet food companies. Doane also manufactures and sells its own regionally branded products. The company produces a full range of pet food for both dogs and cats including dry, canned, semi-moist, soft treats and dog biscuits. Doane was acquired by Teachers' Private Capital, the private investment arm of the Ontario Teachers' Pension Plan Fund, in October 2005.

Independent Propane is the largest retail propane distributor in Texas and has branch locations in six other states throughout the southern United States. CapStreet acquired the company with management in 1991 and grew the company organically and through strategic acquisitions. Independent Propane was acquired by Inergy, L.P., in 2001.

Jackson markets and distributes personal and highway safety products. Jackson’s product lines include welding helmets, auto-darkening filters, hardhats, hearing protection devices, spectacles, traffic cones, traffic barricades and safety vests. Jackson has leading market share positions in many of its product lines. Jackson was acquired by Kimberly-Clark in April 2009.

Sprint is a leading provider of industrial equipment rentals used in turnaround and maintenance operations in the refining, petrochemical and oilfield service industries. Sprint’s product lines include (1) portable bulk liquid and solid storage tanks and (2) safety products used to monitor gas levels and provide oxygen to maintenance workers. Sprint was acquired by First Atlantic Capital in October 2007.

Susser operates convenience stores in South Texas, North Texas and Southern Oklahoma. In addition, Susser is the largest distributor of Chevron and Citgo products in the U.S. and the largest fuel distributor in Texas, excluding refiners. Susser was acquired by Wellspring Capital Management in December 2005.

Team Express is the premier multi-channel marketer to the enthusiast baseball and softball player. Since its founding in 1990, Team Express has grown organically and through acquisition into the trusted source for players, coaches and parents seeking the latest, highest-quality equipment, apparel, shoes and accessories. In 2004, Team Express was acquired by an affiliate of Halpern, Denny & Co.

Trajen was a leading provider of aviation support and logistics solutions to the general aviation market and the U.S. Department of Defense. In partnership with management, Capstreet increased the FBO network from 4 to 23 locations during its investment. In July 2006, Trajen was acquired by Macquarie Infrastructure Co. Trust (NYSE: MIC).

Travis was a value-added, wholesale distributor and fabricator of specialty products including post-tension cabling systems for residential and commercial foundations, industrial products, and specialized telecommunications equipment. CapStreet invested with management in 1999 and sold its interests in 2001.