Air Resource Specialists, Inc. (ARS) provides responsive and personalized environmental permitting and compliance support to biofuel producers. ARS provides environmental audits and develops client-friendly tools that track environmental data and enhance in-house compliance programs. ARS offers comprehensive environmental permitting services, including emission inventories, air quality modeling, and emissions control technology assessments. We are a nationally recognized leader in air quality-related environmental monitoring, modeling, compliance, auditing, analysis, and research. Formed in 1981, our staff has a wide range of expertise and experience and is dedicated to broadening the understanding of air quality science and policy.

As EHS and sustainability consultants, Antea®Group serves global and national clients by applying our Better Business, Better World® philosophy to every engagement. We’ve seen how wise environmental and social choices translate to improved business performance and an enhanced market position for the long term. Our clients have seen these positive impacts, too. Every day we help businesses address environmental, health, safety, and sustainability challenges with fit-for-purpose solutions and proprietary technologies. We also offer proactive measures and forward-thinking strategies to help clients mitigate or eliminate future EHS&S risk.

Defour Group consists of former economists and engineers from the automotive industry. Our expertise is in alternative regulatory systems, fuel ethanol market economics and vehicle powertrains. In the last 14 years, we have done research for automakers, ethanol producers and dealer organizations.

GCI (Grace Consulting, Inc.) is one of the leaders in industrial air emissions ("stack") testing. Let us perform your HAPs/VOC's, CO2, NOx, Particulate, Visible Emissions testing, CEMS RATA's, and other source sampling to remain in EPA Compliance, re-certify your permit, and/or conduct investigative/engineering testing. With almost 25-years of experience, 50 employees, 18 mobile monitor laboratories, and multiple nation-wide offices to mobilize from, GCI has the experience and flexibility to meet your scheduling, budgetary, and compliance needs.

Montrose is a leading environmental solutions company focused on supporting commercial and government organizations as they deal with the challenges of today, and prepare for what’s coming tomorrow. With 2,800+ employees across more than 80 locations around the world, Montrose combines deep local knowledge with an integrated approach to design, engineering, and operations, enabling the Company to respond effectively and efficiently to the unique requirements of each project.

Our collective group has well over 250+ years of real world engineering, startup, and technical experience in the oxidation and mechanical services market. We focus on bringing that knowledge and insight to each and every customer.

We are a solution broker providing access to high quality product and service providers serving the environmental monitoring community. Our solutions serve two distinct needs in the environmental compliance marketplace. First and foremost, we are a solution broker for end users and secondly, we are a business to business consultant to businesses serving the environmental community. We are the bridge between your needs and your solutions.

The world is advancing. We’re advancing ahead of it. TRC is a global consulting firm providing environmentally conscious solutions powered by the latest technology. From pipelines to power plants, city streets to schoolyards, clients turn to TRC for breakthrough thinking backed by the steadfast follow-through of a 50-year industry leader. Today we offer groundbreaking yet grounded business consulting and applied technology that help our clients design, power, connect and fuel the world forward. We are more than 5,500 technical professionals and support personnel serving 140 offices throughout the U.S., U.K., Canada and China. Our teams are made up of some of the most requested and sought-after experts in the business.

Trihydro is a national consulting firm that tackles complex engineering and environmental challenges for the private and public sectors. Trihydro’s technical experience, regulatory expertise, and successful project delivery have earned the company a reputation as one of the top engineering and environmental firms in the country. Trihydro maintains a staff of more than 470 personnel, 22 offices, and staff resources in 27 states. Learn more at www.trihydro.com.