2019 Holiday Schedule Office & Warehouse Closed: Monday, May 27 Memorial Day Thursday & Friday, July 4 & 5 Independence Day Monday, September 2 Labor Day Thursday & Friday, November 28 & 29 Thanksgiving Wednesday, December 25 Christmas Holiday Wednesday, January 1 New Year Holiday How To Contact Us Our Staff Holiday Schedule Mission Statement Community Support 3E Company's MSDS On Demand Compliance Program D&B/SIC/NAICS Health Care Employee Policy Manual MCS Video