The airport mainly serves as a corporate aviation base for several county businesses, including Kohler Company, Bemis Manufacturing Company, Plenco and Richardson Bros. An expansion project tying into increasing capacity in advance of the 2010 PGA Championship was completed that year.
The airport was upgraded to allow a U.S. Customs presence in advance of the upcoming 2021 Ryder Cup (delayed a year due to the COVID-19 pandemic), while also allowing Kohler and other companies to bypass having to fly their business jets into other nearby international airports such as Appleton or Green Bay.
Aviation Heritage Center of Wisconsin is located east of the U.S. Customs and Border Protection Terminal Facility.
[6] Sheboygan County Memorial International Airport covers an area of 737 acres (298 ha) at an elevation of 755 feet (230 m) above mean sea level.
[citation needed] For the 12-month period ending June 15, 2023, the airport had 22,600 aircraft operations, an average of 62 per day: 89% general aviation, 11% air taxi and less than 1% military.