Steven Thorne

RGA Environmental, Inc. provides environmental consulting services. The firm serves in the area of industrial hygiene, health and safety, and training and environmental projects. It serves for retail, real estate, government, health care, education, hospitality, energy, manufacturing and insurance sector. The company was founded by Robert E. Gils in 1985 and is headquartered in Emeryville, CA.

ACE Mentor Program of America, Inc. is a non-profit organization which mentors high school students and inspires them to pursue careers in design and construction. It offers architectural and engineering programs, scholarships, and grants. The company was founded in 2002 and is headquartered in Rockville, MD.

Peckar & Abramson PC is a national construction law firm with offices in multiple locations and affiliations with firms in other countries. The private company is based in New York, NY. The firm provides legal counsel to contractors on various matters including labor and employment, corporate and regulatory compliance, and real estate.

Kleinfelder, Inc. provides environmental engineering and construction management services. It offers architecture and design, environmental sciences and engineering, project management, construction materials engineering and testing, facility and operations compliance, risk management, water science and engineering, design engineering, geotechnical and geologic engineering, and strategic planning. The company was founded by Jim Kleinfelder in 1961 and is headquartered in San Diego, CA.

The Kleinfelder Group, Inc. engages in the provision of engineering services. It offers architecture and design, construction materials engineering and testing, design engineering, environmental sciences and engineering, facility and operations compliance, geotechnical and geologic engineering, project management, risk management, strategic planning, sustainability, and water science and engineering services. The company was founded by James H. Kleinfelder in 1961 and is headquartered in San Diego, CA.

Railworks LLC provides heavy construction services. The company is headquartered in Yankton, SD.

Kleinfelder Construction Services, Inc. provides construction services. It offers project management, structural and bridge engineering services and construction management services. The company was founded by Simon Wong in 1986 and is headquartered in San Diego, CA.

Kleinfelder West, Inc. provides solutions on transportation, water, energy, and other private infrastructure. The company was founded by James H. Kleinfelder and is headquartered in San Diego, CA.

The Vertex Cos., Inc. provides forensic, engineering, construction, environmental, and digital and technology solutions. It offers forensic consulting, engineering design, contracting solutions, environmental consulting, industrial hygiene, remediation services, and backup disaster and recovery solutions. The company was founded by William J. McConnell, James B. O’Brien, and Jeffrey E. Picard in 1995 and is headquartered in Weymouth, MA.

The U.S. Green Building Council, Inc. is a non-profit organization that aims to transform the way buildings and communities are designed, built, and operated to create an environmentally and socially responsible environment. The non-profit company is based in Washington and was founded in 1993 by Steven Richard Fedrizzi. The organization provides a framework for creating healthy, efficient, and cost-saving buildings through the Leadership in Energy and Environmental Design (LEED) rating system. The LEED certification is available for virtually all buildings, communities, and homes. The organization offers various resources, including exam prep materials, to help professionals advance their careers in green building. Peter Templeton has been the CEO of the American company since 2021.

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.

RS&H, Inc. provides integrated architecture, engineering, and consulting services. It offers products and services to aerospace, aviation, corporate, defense, health and science, and transportation industries. The company was founded by George B. Hills, John F. Reynolds, and Ivan H. Smith in 1941 and is headquartered in Jacksonville, FL.

Smith Seckman Reid, Inc. provides facility design, construction, maintenance, operation and management services. It delivers engineering design and facility consulting services to clients throughout the United States. The firm's projects range in size from small renovations to multiple building and infrastructure projects. The company was founded in 1968 and is headquartered in Nashville, TN.

Weston Solutions, Inc. provides environmental management services. The firm offers environmental investigation and remediation, solid, hazardous, radiological waste management, emergency planning and response, water quality, munitions response, air quality, fuels system optimization and classified services. The company was founded by Roy F. Weston in 1957 and is headquartered in West Chester, PA.

Hall's Culligan Water provides treated water. The private company is based in Wichita, KS and has subsidiaries in the United States.

The Association for the Improvement of American Infrastructure is a not-for-profit organization dedicated to strengthening American infrastructure. The non-profit company is based in New York, NY. The company serves as a resource and are member-led, with leading minds from across industries.

Part of Fluor Corp., Marshall Contractors, Inc. is a contractor specializing in electronic centers and buildings. The company is based in Rumford, RI. Marshall Contractors was acquired by Fluor Enterprises, Inc. on November 13, 1996.

Skanska USA Building Inc. provides construction, pre-construction consulting, general contracting, design-build and pharmaceutical validation services to the industries including pharmaceutical and biopharmaceutical, educational, high-tech, healthcare, aviation, transportation, sports and entertainment. The company was founded in 2001 and is headquartered in Parsippany, NJ.

Skanska USA, Inc. provides construction and real estate development services. The company was founded in 1971 and is headquartered in New York, NY.

Dunkelberger Engineering & Testing, Inc. operates as a geotechnical, environmental, construction materials testing, and facilities company in the United States. The company was founded in 1994 and is headquartered in Olathe, KS.