| Ambrose Ecological Services: Consulting services throughout Australia. |
| Aquascape Wetland and Environmental Services: Offers services in stream assessments, wetland delineations, constructing mitigation wetlands, environmental assessments and permitting, and ecological restoration. Based in Grove City, Pennsylvania, USA. |
| Biota: Conservation and ecological consulting, UK. |
| BIOTEC: Consulting Engineers and Biologists in soil bioengineering: solutions to counter river erosion and hillside soil erosion using living plants. Based in Lyon, France. |
| Carter Ecological Limited: Offers ecological surveys and assessments. Based in Banbury, Oxfordshire, England. Qualifications information, description of services offered, and client list. |
| Condor Environmental Planning Services, Inc.: Offers habitat preservation and conservation planning, long-range planning services for community sustainable development, stormwater management consulting, and related services. Santa Barbara, California. |
| Conservation Consultancy, Ltd.: Describes capabilities and offers expert services in ecological surveys, environmental impact assessment, and mitigation and monitoring. Based in Bath, England. |
| Conservation Imaging: Nonprofit organization that conducts applied landscape-scale conservation research and provides technical expertise for conservation projects and nonprofit institutions. Idaho, USA. |
| Consult-Eco: Invertebrate and ecological surveying; environmental education and training. Location: Cheshire, UK. |
| Conway Conservation, Inc.: Environmental consulting services focused on ecological resource protection and green infrastructure planning. Florida, USA. |
| Corvus Consulting and Expedition Services: Specialists in environmental consultancy, wildlife conservation, data analysis and logistical support. Based in UK. |
| Creative Habitat Corporation: Ecological consultant specializing in upland and wetland restoration and creation, bioengineering, and wildlife research. New York, USA. |
| Duncan & Duncan Wetland and Endangered Species Training and Consulting: Offer wetland delineations and protected species surveys, as well as regulatory training for wetland delineation and Endangered Species Act interagency consultations. Located in Charleston, South Carolina, USA. |
| Eco Euro: European ecologist, building a reputation for conducting forestry and ecology related research work of international significance and quality. |
| Eco-metrics, Inc. - Ecosystem Science: Small business engaged in conducting ecological research in collaboration with academic researchers. Based in USA. |
| Ecological Consulting: Professional consulting services supporting ecosystem management, inventory, and research. Location: Ontario, Canada. |
| Ecological Land Management: UK consultants offer service in habitat management, wildlife mitigation schemes, pond creation and management, invasive weed control, bank stabilisation, and related. |
| Ecological Survey and Monitoring: A small ecological consultancy specialising in ecological survey in Scotland. NVC and Phase 1 surveys; monitoring woodland regeneration, levels of grazing, and browsing, and Ecological Restoration projects. |
| Ecosystems Ltd: Ecological consulting services in East and South-East Asia. Based in Hong Kong. |
| Ecotone Research Services: Consultant ecologists, environmentalists and educators. Basedd in Melbourne, Australia. |
| Enviresearch Ltd.: A specialist consultancy for modelling pesticide fate and environmental processes. |
| Envirologic: Offer research and management services in ecology, conservation, and biodiversity monitoring. Based in Auckland, New Zealand; scope South Pacific/Oceania. Lists capabilities and past projects. |
| Environmental Research Corps: Environmental consultants for wetlands, woodlands, and wildlife protection. Erosion Control and Stormwater Management experts. United States. |
| EnviroScience, Inc: Terrestrial and aquatic ecological surveys, with particular emphasis on endangered mussel surveys and translocations. Ohio, USA. |
| Great Eastern Ecology, Inc.: Offers services including wetland restoration and habitat enhancement, habitat and biological surveys, environmental planning and permitting, natural resource damage assessment and ecological risk assessment. Offices in New York and Arizona. |
| H.T. Harvey & Associates: Ecological consulting services for public agencies and private companies. Location California (USA); projects worldwide. |
| Harris Environmental Group, Inc.: Based in Tucson, Arizona, offers ecological and archeological consulting, including wildlife and cultural resources surveys. Client list, details of past projects, and other information. |
| Highland Ecology UK - Ecological Consultants: Highland Ecology consultants carry out a wide range of ecological and environmental work in the UK. Leading experts in NVC and have a variety of specialist consultants able to carry out surveys for invertebrates, lichens, birds, mammals, fungi, and bryophytes. |
| Manning, Cooper and Associates: Offers wildlife studies, impact assessments, professional consultations, and science-based forest biodiversity management programs for clients in British Columbia. Includes project descriptions and publications list. |
| Natural Environment Consultants (UK) Ltd: Specialists in flora, fauna, fisheries and aquaculture, plus general environmental work. Main focus: Ecological surveys and monitoring, environmental impact assessment (EIA), desk-based studies. |
| Northern Ecological Services: Independent ecological consultancy covering Scotland and Northern England. Provides a wide range of ecological survey, consultancy and management services to the public and private sectors. |
| Phytosphere Research: Provides plant science consulting and research services related to plant health and performance in natural and cultivated environments. California, USA. |
| Plateau Ecosystems Consulting, Inc.: Professional aquatic and terrestrial ecological consultants. Specializing in assessment, compliance support, special studies, threatened and endangered species, laboratory services, and resource management. (Colorado, USA). |
| Terwilliger Consulting: Specialists in conservation, offering services including natural resource inventories and planning for endangered and nongame wildlife management. Based on the US Delmarva Peninsula. |
| Tropical Ecologist H.C. Offer: Consultant in tropical ecology, with applications to development projects. Offers knowledge in agroforestry and ecophysiology of rainforests, pressures on ecosystems, indigenous people and forests. Based in Hamburg, Germany. |
| Western Environment and Ecology, Inc. - Ecology Division: Company offers advice on and services to assist with endangered species, wetlands, prairie dogs.Located in Littleton, Colorado (Denver area) and Grand Junction, Colorado. |
| Whistling Beetle Ecological Consultants: UK consultancy lists the wildlife-related services it offers. |
| White Horse Associates, Inc.: Ecologists and botanists offer consulting including ecological classifications of landscapes, stream/wetland/riparian mapping and monitoring, water quality assessments (TMDLs), GIS applications, and expert testimony for NRDAs. Based in Utah. |
| Wildlands Inc.: Establishes and manages wetlands and wildlife habitat through mitigation banking and public and private restoration projects. California, USA. |
| Wildlife Management International: Island management and research services: island restoration, species management, monitoring, training. Based in Wellington, New Zealand. Scope is international. |
| Woody Plant Ecology: Pierre Binggeli is an international consultant. Areas of expertise include ecology, control of invasive plants, forest silviculture and plantation forestry, vegetation succession, environmental history, tree autecology and biology. |
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