We Are Your Fire and Safety Experts! DNL is a premier fire protection and industrial safety solutions company. We provide fire protection and industrial safety products and services to the public and private sector of Nigeria. DNL was established in 1985 as a fire protection and industrial safety solutions company. We provide fire protection and industrial safety products and services to the public and private sector of Nigeria. In 1987, we partnered with Europe’s leading firefighting company, Minimax located in Germany. DNL was declared the sole distributor of Minimax products in Nigeria.