Sam W. Spirn

Summit Partners LP (Summit Partners) is a private equity firm founded in 1984 by Gregory Avis, Roe Stamps and Stephen Woodsum. The firm is headquartered in Boston, Massachusetts.

Tower Development Corp. provides wireless infrastructure services. The company is headquartered in Hudson, MA.

Berkshire Partners LLC (Berkshire Partners) is a private equity subsidiary of Berkshire Partners Holdings LLC founded in 1986 by Christopher Clifford, Carl Ferenbach, Russel L. Epker, Brad Bloom and Richard Lubin. The firm is headquartered in Boston, Massachusetts.

Mattress Firm, Inc. offers mattresses and related products. It offers a broad selection of both traditional and specialty mattresses, bedding accessories and related products. The firm markets its products under the brand name of Sealy, Serta, Stearns and Foster, Tempur-Pedic, and Simmons. The company was founded by Paul Stork, Harry Roberts, and Stephen G. Fendrich in 1986 and is headquartered in Houston, TX.

PurFoods LLC engages in the preparation of nutritious meals for senior citizens and patients. It offers compliance, customer care solutions, food safety solutions, meal shipping fulfillment, human resources, kitchen production, logistics, marketing department, research and development, and supply chain management. The company was founded by Rick Anderson, Michael Anderson, and David Russ Ramsay in 1999 and is headquartered in Ankeny, IA.

Farm Boy 2012, Inc. retails grocery and food products. Its products include balsamic vinaigrette, BBQ chicken, caramel popcorn, cinnamon rolls, cranberry cocktail, dessert toppings, frozen yogurt, grilling sauces and tortilla chips. The company was founded by Jean-Louis Bellemare and Colette Bellemare in December 20, 1981 and is headquartered in Ottawa, Canada.

Parts Town LLC engages in the sale of restaurant parts and accessories for commercial kitchens through its online store and through referrals from customers, manufacturers, and service companies. The company was founded by Bill Reedy in 1987 and is headquartered in Chicago, IL.

U.S. Anesthesia Partners, Inc. provides practice management services to anesthesiologists. The firm offers chronic pain management, monthly operating reports, billing and claims processing, human resources services, legal and regulatory compliance, credentialing, physician support, collaboration tools, and scheduling and resource planning. The company was founded in 2012 and is headquartered in Fort Lauderdale, FL.