Whistling Beetle Ecological Consultants
- UK consultancy lists the wildlife-related services it offers.
- http://whistling.beetle.users.btopenworld.com

Ecosulis Ltd.
- Describes capabilities and offers expert services in ecological surveys, environmental impact assessment, and mitigation and monitoring. Based in Bath, England.
- http://www.ecosulis.co.uk/

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.
- http://westernenvironment.qwestdex.com/westernenvironment/ecology.html

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.
- http://www.heg-inc.com/

Enviresearch Ltd.
- A specialist consultancy for modelling pesticide fate and environmental processes.
- http://www.enviresearch.com/

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.
- http://www.condorenvironmental.com

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.
- http://www.islandnet.com/~jcooper

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.
- http://www.greateasternecology.com

Carter Ecological Limited
- Offers ecological surveys and assessments. Based in Banbury, Oxfordshire, England. Qualifications information, description of services offered, and client list.
- http://www.carterecological.co.uk

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.
- http://www.natureconsultant.com

Biota
- Conservation and ecological consulting, UK.
- http://www.biota.co.uk/

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.
- http://www.aquascape-env.com/

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.
- http://www.ddwest.com

Ecological Land Management
- UK consultants offer service in habitat management, wildlife mitigation schemes, pond creation and management, invasive weed control, bank stabilisation, and related.
- http://www.ecologicallandmanagement.co.uk

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.
- http://www.envirologic.co.nz/

Ambrose Ecological Services
- Consulting services throughout Australia.
- http://www.ambecol.com.au/

Ecotone Research Services
- Consultant ecologists, environmentalists and educators. Basedd in Melbourne, Australia.
- http://members.optusnet.com.au/richdale

Environmental Research Corps
- Environmental consultants for wetlands, woodlands, and wildlife protection. Erosion Control and Stormwater Management experts. United States.
- http://www.wetlandsandwildlife.com/

Wildlife Management International
- Island management and research services: island restoration, species management, monitoring, training. Based in Wellington, New Zealand. Scope is international.
- http://www.wmil.co.nz/

Ecosystems Ltd
- Ecological consulting services in East and South-East Asia. Based in Hong Kong.
- http://www.ecosystems-ltd.com/

Consult-Eco
- Invertebrate and ecological surveying; environmental education and training. Location: Cheshire, UK.
- http://www.consult-eco.ndirect.co.uk/cons-eco/

Conway Conservation, Inc.
- Environmental consulting services focused on ecological resource protection and green infrastructure planning. Florida, USA.
- http://www.conway.com/cconserv/

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.
- http://www.whitehorseassociates.com

Eco-metrics, Inc. - Ecosystem Science
- Small business engaged in conducting ecological research in collaboration with academic researchers. Based in USA.
- http://www.eco-metrics.com/

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.
- http://users.quista.net/andy.acton/surveys.htm

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.
- http://www.northecol.co.uk/

Ecological Consulting
- Professional consulting services supporting ecosystem management, inventory, and research. Location: Ontario, Canada.
- http://www.northernbioscience.com/

Conservation Imaging
- Nonprofit organization that conducts applied landscape-scale conservation research and provides technical expertise for conservation projects and nonprofit institutions. Idaho, USA.
- http://www.conservationimaging.org/

EnviroScience, Inc
- Terrestrial and aquatic ecological surveys, with particular emphasis on endangered mussel surveys and translocations. Ohio, USA.
- http://www.enviroscienceinc.com/

BIOTEC
- Consulting Engineers and Biologists in soil bioengineering: solutions to counter river erosion and hillside soil erosion using living plants. Based in Lyon, France.
- http://biotec.fr/

Corvus Consulting and Expedition Services
- Specialists in environmental consultancy, wildlife conservation, data analysis and logistical support. Based in UK.
- http://www.corvusconsulting.com/

Creative Habitat Corporation
- Ecological consultant specializing in upland and wetland restoration and creation, bioengineering, and wildlife research. New York, USA.
- http://creativehabitatcorp.com/

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 bryoph
- http://www.highlandecology.com/

H.T. Harvey & Associates
- Ecological consulting services for public agencies and private companies. Location California (USA); projects worldwide.
- http://www.harveyecology.com/

Wildlands Inc.
- Establishes and manages wetlands and wildlife habitat through mitigation banking and public and private restoration projects. California, USA.
- http://www.wildlandsinc.com/

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).
- http://www.plateaueco.com/

Phytosphere Research
- Provides plant science consulting and research services related to plant health and performance in natural and cultivated environments. California, USA.
- http://phytosphere.com