This research examines the impact of and the benefits derived from e-business integration in large manufacturing and service organizations in Sweden. Business managers are increasingly under pressure to improve the financial performance and the profitability of their companies. The Internet-based electronic business can provide opportunities for business ti improve the efficiency and the effectiveness of their business operations, to form partnership with suppliers, improve customer service, and to manage better their supply chain. The results show that large Swedish firms are benefiting from e-business implementation in many key areas of their business.