Perez said while document shredding accounts for about 65 percent of the business, WesTex continues to expand into other areas, like paper document management, media storage, digital imaging and electronic archiving services. But Miller says the company's biggest jump into the information protection age has yet to come. Later this month, WesTex will accept the first shipments of sensitive nuclear documents from Eunice, N.M., where Louisiana Energy Services - a multinational consortium - is preparing to ramp up a $1.5 billion uranium enrichment operation. To that end, WesTex made the decision to invest $250,000 to construct a 15,000-square-foot fortified vault - the first of its kind in West Texas. "We start receiving those documents from them next week.