Founded in 1974, Trinity is a nationwide environmental consulting company that specializes in air quality issues. Trinity Consultants assists organizations with regulatory issues such as permitting and compliance management, air dispersion modeling, and control technology analyses. We also address environmental management issues such as climate change strategy, environmental sustainability, EH&S management systems, and auditing. For assistance in any of these areas, visit trinityconsultants.com or contact your local Trinity office at (800) 229-6655.
Professional Training
At Trinity's core is a commitment to keeping its clients informed about the environmental issues affecting them. Led by its senior consultants, Trinity's courses on air dispersion modeling techniques, environmental regulations, and environmental management topics provide valuable insight gleaned from thousands of related projects. Learn more about our training courses at trinityconsultants.com/training.
BREEZE® Software & Data Services
BREEZE is Trinity productivity-enhancing environmental modeling software including AERMOD, the U.S. EPA's preferred model for most regulatory modeling. BREEZE also provides models for evaluating the effects of accidental releases, fires, and explosions, and provides model-ready geophysical data. Visit breeze-software.com or call (972) 661-8881.
Information Technology for EH&S Management

T3, a division of Trinity Consultants, assists with EH&S information management including gap analysis, system selection, and implementation. T3 implements enterprise-wide commercial solutions as well as custom solutions and applications for handheld devices. Learn more at tthree.com or call (972) 661-8121.
EH&S Staffing Solutions
On Demand Environmental, a division of Trinity Consultants, provides staffing assistance for EH&S positions including direct hire, contract positions, and contract-to-hire scenarios. Submit a resume or post an opening at ondemandenv.com or call (972) 419-5691.