Aquascape Environmental: Consulting and contracting services for lakes, streams, and wetlands. Southeastern U.S.A.
Freshwater Benthic Services: Macroinvertebrate identification services for freshwater environments in the United States.
Physalia Ocean Sciences, Inc.: Consulting coastal and marine science and engineering firm. Assessment of environmental impacts associated with coastal resource development projects. USA, Japan, Thailand.
Quinlan Consulting: Consultancy and research; site has several technical papers on topics in aquatic ecology, water management, and river restoration. Based in UK.