Evelsa is an Environmental Independent Global Company and a customer-focused leader in reliable, eco-efficient hazmat transport, Evelsa is Ecologia y Asesoria Ambiental S de RL de CV / ALESA LAB S. de R.L. de C.V. & ECOTECH the Mexico, the largest certified EHS laboratory and the largest regional HAZMAT transport company , known for reliable, flexible and eco-efficient services. We provide all EHS services required by the US and Mexico EHS regulations .