Business-to-business card company Pex said Tuesday it raised $160 million in debt and equity financing from a private equity firm to help expand its commercial card and spend-management services. Business-to-business card company Pex said Tuesday it raised $160 million in debt and equity financing from a private equity firm to help expand its commercial card and spend-management services. Business-to-business card company Pex said Tuesday it raised $160 million in debt and equity financing from a private equity firm to help expand its commercial card and spend-management services. Business-to-business card company Pex said Tuesday it raised $160 million in debt and equity financing from a private equity firm to help expand its commercial card and spend-management services. Business-to-business card company Pex said Tuesday it raised $160 million in debt and equity financing from a private equity firm to help expand its commercial card and spend-management services.