Van Horn Hoover & Associates

Founded in 1939, Peterman Associates is a full-service engineering and professional surveying company. It offers architectural design, construction management, environmental, land use planning and structural engineering services. The company provides construction services for business offices, churches, financial centers, fire stations, museums, theaters, multifamily units and sports complexes. Peterman Associates serves clients in the commercial, industrial, institutional, governmental, retail and residential sectors. The company s engineering department provides water and wastewater treatment, sewer, infrastructure and site analysis services. In addition, it conducts boundary and topographic surveys, as well as overflow and facility studies. Peterman Associates is licensed to operate in Ohio, New York, Michigan, Pennsylvania, Indiana, Kentucky, Wisconsin, Illinois, Tennessee and North Carolina.

Established in 1927 as Toledo Testing Laboratory, TTL Associates is a full-service environmental, testing and geotechnical engineering firm. It also offers drilling and probing services, and maintains a presence in Toledo, Ohio. The firm employs certified industrial hygienists, professional registered engineers, geologists, environmental microbiologists, certified roof inspectors, drilling experts, and safety and health trainers. TTL Associates serves various banks, gas stations, convention centers, manufacturing facilities, schools, and county, state and federal agencies. Its in-house analytical laboratory is a part of the National Voluntary Laboratory Accreditation program administered by the National Institute of Standards and Technology. The firm is also affiliated with the American Water Works Association, the Canadian Society of Civil Engineers and the Ohio Association of Consulting Engineers.

Civil & Environmental Consultants, Inc. is an engineering and environmental consulting firm that provides integrated expertise in the areas of air quality, civil engineering, ecological sciences, environmental engineering and sciences, survey/geospatial, waste management, and water resources.