Заменить:
CompanyNames = driver.find_elements_by_xpath('//*[contains(concat( " ", @class, " " ), concat( " ", "company", " " ))] | //*[contains(concat( " ", @class, " " ), concat( " ", "company", " " ))]//*[contains(concat( " ", @class, " " ), concat( " ", "turnstileLink", " " ))]')
на:
CompanyNames = driver.find_elements_by_xpath('//*[contains(concat( " ", @class, " " ), concat( " ", "company", " " ))]//*[contains(concat( " ", @class, " " ), concat( " ", "turnstileLink", " " ))]')