URS Corporation is a provider of engineering, construction and technical services for public agencies and private sector companies around the world. The Company offers a range of program management; planning, design and engineering; systems engineering and technical assistance;... more

Earth Tech Inc. is a global provider of a full suite of engineering, construction and operations services to the international water/wastewater, environmental, transportation, and facilities markets. Earth Tech employs some 7,000 talented people, delivering services to customers in 15... more

Tetra Tech, Inc. is a provider of consulting, engineering, construction and technical services focused on resource management and infrastructure. The Company serves its clients by defining problems and developing solutions. Its solution begins with a scientific evaluation of the problem.... more

Golder Associates is a premier global group of consulting companies, specialising in ground engineering and environmental services, with over 4,500 employees and 100 offices worldwide. In Canada, Golder Associates Ltd. has been consistently named as both one of Canada's 50 Best Employers,... more

Stantec Inc. provides professional consulting services in planning, engineering, architecture, interior design, landscape architecture, surveying and geomatics, environmental sciences, project management, and project economics for infrastructure and facilities projects. Its services... more

Exponent, Inc. (Exponent) is a science and engineering consulting firm that provides solutions to complex problems. As of December 31, 2006, the Company operated 19 practices and centers, including Biomechanics, Civil Engineering, Construction Consulting, EcoSciences, Electrical &... more

ENTRIX was established in 1984 when our founders, Dan Taylor and Richard Firth, joined forces to create a science-based company that focused on helping clients with environmental challenges. A foundation was built based on the philosophy that clients and people are our most valued assets.... more

Malcolm Pirnie is one of the largest firms in the U.S. focused exclusively on environmental issues. For more than 100 years, we've provided environmental engineering, science and consulting services to over 5,000 public and private clients. Malcolm Pirnie is privately owned by the firm's... more

PBS&J is one of the largest engineering-consulting firms based in the US. With 2,200 employees in 60 offices worldwide, the firm's project teams deliver comprehensive and innovative engineering, scientific, planning, and architectural solutions that enrich the quality of everyday life.... more

ICF International, Inc. (ICF) provides management, technology, and policy consulting and implementation services to government, commercial, and international clients. The Company helps its clients conceive, develop, implement, and improve solutions that address economic, social, and... more

Kleinfelder is one of the largest privately-owned engineering firms in the U.S. and an Engineering News-Record "Top 100 Design Firm." Headquartered in San Diego California, Kleinfelder has 50 offices throughout the western U.S., and alliances with engineering firms on the East Coast and... more

We manage our business to do the right things. Honesty and ethical practices have been the foundation of all that we do for nearly 50 years. Clients can tell the difference. We are looking out for their interests and for the communities we serve together. Change provides great... more

Versar, Inc. (Versar) is a professional services firm that provides the government and the private sector with value-added solutions for infrastructure, facilities management, construction, environmental quality, defense and homeland security needs. The Company operates in four primary... more

The Jacques Whitford Training Institute is offering a course on the Ontario mandatory air emissions monitoring and reporting regulation.

Based in Sumner, Washington, Parametrix is a 100% employee-owned engineering, environmental sciences and architecture firm. In addition to its Sumner headquarters, Parametrix has facilities in Seattle, Tacoma, Bremerton and Kirkland, Washington, as well as in Corvallis and Portland,... more

The Louis Berger Group, Inc. is a global leader in engineering consulting. Berger's missions are to: develop infrastructure to improve peoples' lives; preserve and enhance the environment; and reduce poverty to spur sustainable economic development. Berger has the largest transportation... more

Founded in 1984, Daniel B. Stephens & Associates, Inc. (DBS&A) provides comprehensive services in soil and groundwater investigation and remediation, groundwater and surface water hydrology, water resources development and planning, and environmental litigation support. Dr. Daniel B.... more

We move projects forward-that's what VHB has been doing for our clients and communities for over 25 years. Providing multidisciplinary planning, design, engineering, and consulting for some of the nation's most complex infrastructure and development initiatives, VHB experts take projects... more

> > Gartner Lee is a professional services company providing environmental science, economics, planning and engineering consulting services. Since its founding in 1973, we have established offices across Canada and successfully completed thousands of projects for domestic and... more

Tetra Tech EC, Inc. is a national leader in providing comprehensive environmental analysis, permitting, and compliance services to the oil and gas industry. We have over 30 years' experience siting and permitting thousands of energy and telecommunications projects throughout the United... more

Dudek is a California-focused environmental and engineering consulting firm that creatively solves regulatory and technical challenges for municipal agencies and major landowners. We help our clients plan, design, construct and manage the communities in which we live. Our role is to... more

CRA is in the information business, the business of market intelligence, transforming information into knowledge, and knowledge into strategy. We are redefining the art of understanding through the use of advanced analytics and statistical data analysis, and non-traditional market... more

BEM Systems, Inc. (BEM) is a nationwide, full-service environmental engineering and consulting firm providing innovative solutions to complex environmental, health, and safety issues facing private industry, state transportation agencies and federal clients. Since our formation in 1990,... more

KCI Technologies provides geotechnical engineering services to private industry as well as federal, state and local government agencies. Our geotechnical engineers have construction experience and are experts in all aspects of geotechnical engineering. We have provided geotechnical... more

Fuss & O'Neill delivers exactly what complex projects require , an integrated matrix of services across the breadth of scientific, engineering, design build, information technology and lean manufacturing disciplines. Founded in 1924, the firm has consistently proved its ability to create... more

AMEC's Earth and Environmental division operates more than 100 offices throughout North America, including Colorado and New Mexico, offering Hydrosphere's clients an additional palette of services that includes a broad range of environmental sciences, geotechnical engineering,... more

Established in 1977, Komex is an international, full-service environmental consulting and engineering company. Komex provides leading-edge technology and innovative solutions to industries and governments worldwide. Clients range from small private companies to multinational corporations,... more

In addition SLR provides planning support for clients involved in the construction of new developments on brownfield land and is assisting with the disposal of waste soils and the re-use of materials on-site by waste management licence exemptions. Principal and office manager Nigel Cronin... more

Conestoga-Rovers & Associates is a leading environmental consulting company with more than 30 offices throughout North America.

Geomatrix provides clients with a comprehensive Risk Assessment and Toxicology practice that focuses on providing the appropriate level of analysis to solve our clients' problems, and transform technical information into practical solutions. Our team integrates multiple disciplines... more

SRK is an independent, international consulting group, employing leading specialists in environmental science and mineral engineering. Its seamless integration of services, and global base, has made the company a significant international practice in due diligence, feasibility studies and... more

Kennedy/Jenks Consultants has been committed to water recycling in California since wastewater was first recognized as a valuable renewable resource. We have successfully completed more than 50 recycled-water-related projects. Our services have included all aspects of facilities... more

Headquartered in Cape Canaveral, Florida, AJT & Associates, Inc. is a technical services, engineering and scientific company providing services to federal, state, and local government, aerospace prime contractors, and commercial clients. www.ajt.com

Landau Associates has provided our clients with environmental, engineering, permitting, and regulatory compliance services and strategies in support of site and infrastructure development since 1982. Our work has won many awards, but our greatest reward is the relationships we have built... more

Geosyntec is a specialized consulting and engineering firm that works with private and public sector clients to address their new ventures and complex problems involving the environment, our natural resources, and our civil infrastructure. Geosyntec has a staff of 600 engineers,... more

Hemmera is a progressive consulting firm that provides professional services in geosciences, engineering, energy, life sciences, planning and management across Western Canada. Since its establishment in 1994, Hemmera has grown into a multi-disciplinary company with over eighty full-time... more

Founded in 1938, Foth has a tradition of offering smart consulting and engineering solutions to government, industrial and commercial clients. Professional services are focused in the areas of public works infrastructure, environmental services, production and manufacturing systems.... more

A privately held firm, Jones Edmunds was established after two young American engineers Dr. Richard H. Jones, Ph.D. and Robert C. Edmunds, P.E. met in Germany while viewing wastewater treatment process equipment. After more than 30 years, the firm expanded on its civil engineering... more

MSG offers cost-effective and schedule-compliant management of cultural resource planning issues. Appropriate planning avoids expenses associated with unanticipated historic architectural/engineering resources that can cause project delays and revisions. It also demonstrates a commitment... more

Anchor is home to an energetic group of scientists, planners, and engineers who enjoy working together to help our clients with development, cleanup, and restoration projects. We are most recognized for our work on waterfronts and shorelines of the United States where our sediment... more

V3 adheres to three principles which are integral to the firm's core values; Committed to Excellence, Focused on Clients and Dedicated to our Employees. We recognize that the first two principles cannot be credibly pursued if we do not have an outstanding employee team. Furthermore, since... more

Rescan Environmental Services Ltd. is a Canadian-based consulting firm offering a wide range of environmental and engineering services to clients around the world. Rescan assists industries, institutions and governments in achieving sound environmental practices for the benefit of present... more

Horsley Witten Group is a small business, full-service environmental science and engineering firm with offices located in Sandwich (Cape Cod), Newburyport , Massachusetts and Providence, Rhode Island. The firm was incorporated in 1988 and consists of a professional staff of over thirty... more

Established in 1966, Greenman-Pedersen, Inc. (GPI) is a consulting engineering, planning, survey, mapping, and construction management and inspection firm that specializes in the innovative development, design and construction of infrastructure and building systems. Originally founded by... more

Marshall Miller & Associates has been practicing and improving geophysical services since 1975. Our Geological Logging Systems division is recognized in the industry as providing the most professional Borehole Logging and Downhole Camera services. We also have the expertise to interpret a... more

RIZZO is an international engineering and consulting firm specializing in civil, structural, geotechnical, and environmental engineering. Based in Monroeville, Pennsylvania, Paul C. Rizzo Associates, Inc. has been previously ranked as one of the Top 500 Engineering Firms by Engineering... more

ENGEO Incorporated is a comprehensive provider of geotechnical, environmental, hydrologic, and geologic engineering, and construction-phase QA/QC services. Founded in 1971, the firm is employee-owned and has ten offices throughout California and Nevada. ENGEO is organized into... more