Since 1971, Warren & Selbert has helped corporations and banks throughout the world structure the most complex leasing transactions. Today, our ABC software uses linear programming optimization techniques to structure leases, flip partnerships, and inverted "pass-thru" leases. We serve an impressive roster of Fortune 500 corporations, investment banks, and commercial banks in the equipment, renewable, real estate, and project finance industries. As a premier financial software firm, we work hard to provide excellent customer support to ensure our clients’ success.