Robert P. Kornahrens

Douglas S. Plotke Jr., Inc. provides roofing contracting services. The firm specializes in residential roofing and siding, commercial roofing, roof repairs and maintenance and roof consulting services. The company was founded Douglas Plotke Jr. and John K. Plotke in 1985 and is headquartered in Deer Park, NY.

Petersen Dean, Inc. provides solar roofing services. It offers solar packages, financing, gallery, Solar 101, home builders and commercial solar. The company was founded by Joe Dean and Jim Petersen in 1984 and is headquartered in Fremont, CA.

Jamsco, Inc. provides roofing services. It offers metal, slate and tile roof repair and installation services and repair of flat roofs. The company installs asphalt shingle roofs, synthetic slate roofs and wood shake roofs. Maggio Roofing was founded in 1989 by Scott Siegal and is headquartered in Takoma Park, MD.

LESCO Restorations, Inc. provides interior and exterior building maintenance and construction services. Its services include mobile maintenance, restorations and waterproofing, construction services, emergency preparedness, and recovery services. The company was founded in 1974 and is headquartered in Spartanburg, SC.

The National Trust For Historic Preservation provides leadership, education, advocacy and resources to save America's historic places. The firm helps revitalize neighborhoods, communities, and spark economic development and promote environmental sustainability. The company was founded in 1949 and is headquartered in Washington, DC.

Rebuilding Together, Inc. operates as a leading national nonprofit in safe and healthy housing. It provides rehabilitation and home repair services. The company was founded in 1973 and is headquartered in Washington, DC.

King Of Texas Roofing Co. operates as a roofing and sheet metal contractor. The company was founded by Nelson R. Braddy in 1982 and is headquartered in Grand Prairie, TX.

Advanced Green Innovations LLC is a privately owned technology company. It dedicated to developing and commercializing a suite of "Green" technologies. The company was founded by Kenneth Losch in 2009 and is headquartered in Chandler, AZ.

ZHRO Solutions LLC develops proprietary advanced technology for use in the conversion of heavy duty diesel trucks to natural gas. The firm’s Fuel Injector System provides an unprecedented transformation in natural gas engine technology and its combustion strategy is flexible and can be adapted to any natural gas fuel source. It provides services to locomotive, oil and gas, and marine markets. The company is headquartered in Chandler, AZ.

American Power Group, Inc. manufactures bio diesel engines. Its products include class 8 trucks, oil and gas conversions, and dual fuel gliders. The company is headquartered in Algona, IA.

Junior Achievement of Greater Hampton Roads, Inc. engages in dedicating young people the knowledge and skills they need to own their economic success, plan for their futures and make smart academic and economic choices. The company was founded in 1966 and is headquartered in Virginia Beach, VA.

Thomas Roofing Co., Inc. provides roofing contracting services. The company was founded in 1979 and is headquartered in Baton Rouge, LA.

Orange County United Way engages in providing health, education, income and housing services. It specializes in mobilizing, fundraising, advocating, volunteering and financial stability. The company was founded in 1924 and is headquartered in Irvine, CA.

Omidyar Technology Ventures LLC (Omidyar Technology Ventures) is a venture capital firm founded by Pierre Omidyar in 2015. The firm is headquartered in Redwood City, California.

Lynde & Harry Bradley Foundation, Inc. operates as grant making foundation. The company was founded by Lynde Bradley in 1901 and is headquartered in Milwaukee, WI.

National Roofing Partners is a trusted national roofing company that delivers innovative single-source commercial roofing solutions on a regional and national basis. The private company is based in Coppell, TX. The company provides unparalleled service and can be contacted to get on your roof today. The company was founded in 2005 by Steve Little, who has been the CEO since 2005.

Cooper Roofing & Solar LLC provides roofing, siding, and house construction services. The private company is based in Las Vegas, NV.

Founded in 2008, Davco Roofing & Sheet Metal, Inc. is a commercial roofing company that specializes in sheet metal roofing systems. Part of Roofing Corp. of America LLC, the company is based in Charlotte, NC. With decades of experience, the company's experts can handle any commercial roofing project. Davco Roofing & Sheet Metal was acquired by Roofing Corp. of America LLC on March 31, 2022.

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.

AISC Holdings, Inc. provides information, news, and publications related to structural steel design. The private company is based in Chicago, IL. The company's Steel Solutions Center offers technical assistance, innovative solutions, and tools for steel fabricators, structural engineers, architects, owners, developers, and other professionals.

Pfister Energy, Inc. engages in the provision of solar installations and renewable energy systems for commercial, industrial and institutional facilities. Its solutions include solar electric, wind turbines, daylighting, green roofs, solar thermal, fuel cells, solar lighting, and rainwater harvesting. The company was founded by Dieter E. Pfisterer and George Piasecki in 2005 and is headquartered in Hawthorne, NJ.

Lee Building Industry Associations operates as a home builders association. The private company is based in Fort Myers, FL.

Dean & DeLuca, Inc. operates cafeterias and retail stores. Its offers meat and meat products, kitchen and dining products, seafood and shellfish products, vinegar, and pantry products. It also offers gift baskets and catering services for small private affairs to large corporate events. The company was founded by Joel B. Dean, Giorgio DeLuca and Jack Ceglic in September 1977 and is headquartered in Wichita, KS.

The Solar Energy Industries Association (SEIA) is a leading organization in the transformation towards a clean energy economy. The non-profit company is based in Washington. The American company's goal is to achieve 30% of electricity generation through solar power by 2030. SEIA collaborates with its 1,000 member companies and other strategic partners to advocate for policies that create jobs and promote competition in the solar industry. Since 1974, SEIA has been the voice of solar energy in the United States, working with its members to promote pro-solar policies and advocate for the growth of solar nationwide. Abigail Ross Hopper has been the CEO of the company since 2017.

Sierra Club is a membership organization that focuses on spreading awareness on environmental issues. The firm operates stores for books, calendars, note cards, holiday cards, men’s and women’s apparel, bags and packs, and coffee and tea. The company was founded by John Muir in 1892 and is headquartered in Oakland, CA.

National Association of Home Builders operates as a housing trade association. It provides advocacy on issues impacting home builders, networking for home builders and those associated with the home building industry and education for home builders those associated with the home building industry. The company was founded in 1942 and is headquartered in Washington, DC.

Sutter Roofing Co. of Florida provides roofing and siding contracts. It offers maintenance and roof repair, installation, new construction and gallery of projects. The firm specializes in industrial, government, health care, educational, retail, condominiums, and commercial roofing projects. Sutter Roofing was founded in 1902 and is headquartered in Sarasota, FL.

Elens & Maichin Roofing & Sheet Metal, Inc. provides roofing, siding and sheet metal contracting services. It is located in Joliet, IL.

The Construction Specifications Institute, Inc. operates membership organization for understanding of construction risks. It specializes in education, certification (CDT, CCS, CCCA, CCPR), developing standards, formats (MasterFormat, UniFormat, OmniClass), networking for architects, specifiers and product representatives. The company was founded in March 1948 and is headquartered in Alexandria, VA.

American Concrete Institute operates as an institute for the development of consensus-based standards, technical resources, educational and training programs and certification programs. The company was founded in 1904 and is headquartered in Farmington Hills, MI.

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 Durable Slate Co., Inc. provides slate roof restoration contracting services. Its services include clay tile roofing, metal roofing, ornamental and gutters, and rood consulting. The company was founded in 1986 and is headquartered in Columbus, OH.

Allied Building Products Corp. distributes roofing and custom sheet metal fabrication products. It offers fiber cement siding and synthetic lumber, gutters and gutter coil,lumber, manufactures stone, residential garage, insulation, roofing, tile, siding and soffits, tools and accessories, trim coil, windows, skylights and doors, asphalt and pitch, coatings, metal,commercial roll roofing, modified bitumens, single-ply membranes, tapered insulations, waterproofing, acoustic tile, batt insulation, drywall, and solar products. The company was founded in 1950 and is headquartered in East Rutherford, NJ.