CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in Charleston County zip codes than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in Charleston County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in Charleston County (2012-2016)
Year
Total businesses
2012
189
2013
189
2014
190
2015
195
2016
200
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