Since 1974, Trinity Consultants has assisted industrial facilities throughout the United States with environmental issues. The company provides regulatory compliance consulting to meet the changing regulatory compliance requirements of clients. Its regulatory compliance services include air permitting, air dispersion modeling and compliance auditing. Trinity Consultants also provides environmental management services related to compliance management, ISO 14001 compliance and emissions trading. It markets BREEZE air dispersion and explosion modeling software and teaches training courses on environmental issues.