When Michigan-based Lear Corp. needed a secretary for its office in [Mexico], it placed an ad seeking a "female … aged 20 to 28 … preferably single … with excellent presentation", asking applicants to include a recent photo with their resumes. In the United States, that ad might draw howls of protest …But in Mexico… employers routinely select staff on criteria more appropriate to a beauty contest…What is less known is that many American corporations — including Coca-Cola, Pepsi Bottling and Shell Oil — are engaging in hiring practices that appear to violate their fair-employment policies in the U.S…When contacted, U.S. companies said they did not know about the ads or blamed them on local managers or third parties. [also refers to Baker & McKenzie, Coca-Cola Femsa, Quaker State [part of Shell], Kimberly-Clark]