raytheon builder of tomahawk cruise missiles and other defense systems offers domestic-partner benefits supports a wide array of gay rights groups and wants to be employer of choice for gays the firm believes these policies give it an advantage in the eves-competitve market for engineers and scientisit raytheon is not alone more than half the fortune500 companies affer domestic-partner benefits for gay couples including american express ibm inter morgan stanley motorola and walmart some companies oppose domestic-partner benefits or nondiscrimination clauses for gay employees among these are alltel adm exxonmobil h.j. heinz nissan nestle and rubbermaid56 despite some gains many lesbian gay and bisexual employees keep theri gender identity from their co-workers for fear of being discriminated against57