Texas: Official Declarations
On March 13, 2020, Gov. Greg Abbott declared, "In accordance with the authority vested in me by Section 418.014 of the Texas Government Code, I hereby declare a state of disaster for all counties in Texas." Six days later he closed major portions of Texas business and social activities by Executive Order.
Gov. Abbott appointed a Strike Force on April 17, 2020, to navigate reopening the State. This link opens the State's official Strike Force pronouncements in effect May 5, 2020, including which businesses are "essential": https://gov.texas.gov/organization/opentexas