Lake Asphalt of Trinidad and Tobago (1978) Limited, known internationally as the producer of Trinidad Lake Asphalt (TLA), is a wholly owned state enterprise situated in Brighton, La Brea, Trinidad charged with the commercial development of the Pitch Lake of Trinidad and Tobago, the world's largest deposit of natural asphalt. Our Vision: “Maximizing the Value from our Natural Asphalt for Company, Community, and Country” Our Core Values: Integrity, Employee Success and Well being, Good Corporate Citizenship, Product and Service Excellence, Safety and Environmental Leadership, Trust