Gordon Food Service (commonly abbreviated GFS) is the largest privately held foodservice distributor in North America with sales of $5.5 billion in 2007 and expected to finish 2012 with over $10 billion.
 Headquartered in Wyoming, Michigan, GFS has stores in the states of Florida, Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania and Tennessee.
 Gordon Food Service also distributes to portions of Wisconsin, Arkansas, Alabama, Georgia, Mississippi, Missouri, North Carolina, Virginia, and West Virginia.
 GFS was founded in 1897 by Isaac van Westenbrugge, a 23-year-old Dutch immigrant, and by his son-in-law Ben Gordon.
 It was started by Van Westenbrugge with only 300 dollars borrowed from his brother to start an egg and butter delivery service.
 In 2009, GFS opened a new distribution center in Pottsville, Pennsylvania, and opened a warehouse in Kenosha, Wisconsin the next year.
 The company continued expanding by building a distribution center in Kannapolis in 2016, and now has warehouses in twelve states.
 According to Forbes Magazine, GFS is the 26th largest privately held company in the United States.
Payless ShoeSource Inc. is an American discount footwear retailer headquartered in Topeka, Kansas.
 Established in 1956 by cousins Louis and Shaol Pozez, Payless is a privately held company owned by Blum Capital, and Golden Gate Capital.
 In 1961, it became a public company as the Volume Shoe Corporation which merged with the May Department Stores Company in 1979.
 In the 1980s, Payless was widely known in the U.S. for its Pro Wings line of discount sneakers, which often had Velcro straps instead of laces.
 In 1996, Payless ShoeSource became an independent publicly held company.
 In 2004, Payless ShoeSource announced it would exit the Parade chain and would close 100 Payless Shoe outlets.
 On August 17, 2007, the company acquired the Stride Rite Corporation and changed its name to Collective Brands, Inc. The company had a total revenue for 2011 of US$ 3.4 billion.
BETTERY Inc. was a privately held company based in Portland, Oregon.
 It provided a retail store-based reusable battery exchange service to consumers.
 BETTERY kiosks or “Swap Stations” allow consumers to buy ready to use reusable AA or AAA batteries that can be used just like any other single use battery.
 Once drained, the batteries can be swapped for a fully tested and charged replacement.
 The company previously had placed five kiosks at Whole Foods Market locations in the Pacific Northwest and placed five additional kiosks at Whole Foods and Safeway stores in Seattle and Portland.
 The BETTERY brand was sold in 2014 to Green Box Batteries, LLC, a Tacoma, WA privately held company.
 Green Box Batteries, LLC has re-launched the BETTERY brand with a focus on bringing batteries to the world of subscription services much like Netflix did for DVD rentals.
Fred Chase Koch ( ; September 23, 1900 – November 17, 1967) was an American chemical engineer and entrepreneur who founded the oil refinery firm that later became Koch Industries, a privately held company which, under the principal ownership and leadership of Koch's sons, Charles and David, is listed by "Forbes," as of 2015, as the second-largest privately held company in the United States.
Tweezerman is a privately held company based in Port Washington, New York that produces the Tweezerman family of consumer and professional beauty tools.
Spectra Logic Corporation is a computer data storage company based in Boulder, Colorado in the United States.
 The company builds backup and archive technology for secondary storage to protect data after it migrates from primary disk.
 Spectra Logic's primary product is tape libraries.
 The company was founded in 1979, and is a privately held company.
Hearts On Fire Company, LLC, branded as Hearts On Fire, is a privately held diamond manufacturer and jewelry design company founded in 1996 by Glenn and Susan Rothman.
 The privately held company is based in Boston, Massachusetts, United States, with products sold online and in 550 retail stores in 34 countries around the world, including 14 Hearts On Fire stores.
Port Washington is a hamlet and census-designated place (CDP) in Nassau County, New York on the North Shore of Long Island.
 As of the United States 2010 Census, the community population was 15,846.
F. Schumacher & Co. is a privately held company based in New York City and Newark, Delaware, that designs products for the interior design industry in the United States.
 Established in 1889 by Frederic Schumacher, F. Schumacher & Co. is a fifth generation business and the only supplier of decorative textiles from the 19th century still privately owned and managed by direct descendants of its founder.
 The company sells fabrics, wall coverings, trimmings, furnishings, and floor coverings under two brands, Schumacher & Patterson, and Flynn & Martin.
 F. Schumacher & Co. currently maintains 18 showrooms in several countries and sells to the interior design trade.
A privately held company, private company, or close corporation is a business company owned either by non-governmental organizations or by a relatively small number of shareholders or company members which does not offer or trade its company stock (shares) to the general public on the stock market exchanges, but rather the company's stock is offered, owned and traded or exchanged privately.
 More ambiguous terms for a privately held company are unquoted company and unlisted company.

Question: Tweezerman is a privately held company based in what county?
Answer: Nassau County