| Chris_Head Consultant for water resources and hydropower development. |
| Cirrus_Environmental_Solutions Environmental consultants offering complete workplace, environmental, occupational hygiene and emission monitoring services, asbestos management services and health and safety assistance. |
| C_J__Brown_Energy,_P_C_ Professional engineering firm specializing in energy utilization and conservation with a primary mission to identify, analyze and implement realistic improvements to facilities and processes. |
| Clancy_Environmental_Consultants,_Inc_ Provides consulting and microbiological testing services to the drinking water, waste water, and high purity water industries, and the pharmaceutical industry. |
| Cleanwater_Consulting Assisting developers and contractors in ensuring compliance with the Clean Water Act, the National Pollutant Discharge Elimination System (NPDES), Construction General Permit (CGP), and regional regul |
| CLG_Energy_Consultants_Ltd Independent energy consultant specialising in the coal and electricity industries in the UK. |
| Climate_Change_Levy_Discount_Scheme Advice on climate change levy and the discount scheme available to industrial users. |
| CMH_Environmental_Group Environmental consulting and contracting company specializing in water treatment, hazardous waste, bioremediation and site restoration. |
| CN_Utility_Consulting,_LLC Founded to provide consulting and training services to the electric utility vegetation management industry. |
| Cogent_Energy,_Inc_ Energy consulting, engineering, design, commissioning, and expert witness and litigation support services in the areas of energy efficiency, energy management and distributed generation. |
| Community_and_Regional_Planning_Services An independent environmantal planning consultancy operating throughout England, UK. |
| Compass_Energy_Consulting_Engineers Energy consultants specializing in conservation of fuel and power per regulation Part L, compliancy and SAP calculations. |
| Consulting_for_Energy Consulting for electric load and price forecast, energy trading, software product development, energy management systems, water SCADA, distribution automation, telecommunication systems, venture capit |
| Control_Air_Pollution Air pollution consultant. |
| Convector_Consulting,_Inc_ Expertise with financial, economic, marketing, and strategic planning, particularly in restructuring situations. |
| Conversion_Technology_Inc_ Full Service EHS Consulting Firm, with extensive experience in assisting industrial facilities effectively obtain and maintain EHS compliance. |
| Conversion_Technology_Inc_ Full Service environmental health and safety consulting with extensive experience in assisting industrial facilities to effectively obtain and maintain EHS compliance. |
| Copeland_Environmental Environmental consulting with focus on aquatic environments and associated regulations. |
| CopperLeaf_Consulting Consulting and development services to support enterprise asset planning (EAP) for societal infrastructure businesses, specifically energy, transportation, water, waste water, and healthcare |
| Cost_Containment_Engineering,_Inc_ Texas based professional engineering and consulting firm specializing in energy predominant use study, energy efficiency and water conservation for a variety of customers including manufacturers, comm |
| CR_Planning Consultant for: Rural and urban land use; sustainable and economic development; natural resource planning; energy planning and zoning. |
| Crane_Associates A community planning and community development consulting firm specializing in river planning; recreation planning; land use planning; economic development; affordable housing; and downtown revitaliza |
| Crude_Oil_Trade Energy consultant for the oil and gas industry offering technical assistance and guidance to facility owners and energy service companies. |
| Cynergin_Consultants Provider of self-funding energy solutions for commercial and public enterprises. |
| David_Olsen Consultant for promotion of renewable energy, climate change and sustainability practices for public and private sector organizations. |
| David_Rousseau_-_Archemy_Consulting Environmental consulting company specialized in green buildings, green urban planning , renewable utilities consultation and related programs and education. |
| DDC Fuel storage tank consultants. |
| Delta_Engineering_Support_Services_Ltd Engineering support services for the electricity and oil/gas industries, including: inspection, expediting, supplier assessments, project management, ISO 9001 consultancy and technical support service |
| design_and_implement UK consultants to utility companies, governments, regulators and other stakeholders in the energy sector |
| Dextra_Group Environmental consultants assisting with regulatory compliance for US-based manufacturing companies and their plants. |
| Diablo_Green_Consulting Regulatory compliance consulting for property owners and contractor compliance with national environmental protection act, osha, and phase I requirements. |
| Dipl_-Ing__Udo_Fischer Environmental consultant specializing in: Landfill construction and remediation; gas extraction and utilization; sealing systems; and remediation of contaminated sites. (English, German, and Spanish). |
| Distributed_Energy_Resources Consultants for distributed energy generation, cogeneration, energy efficiency and management, demand response, renewable energy, back-up power and generators, lighting, heating and cooling, emerging |
| Diversified_Environmental_Services__Inc_ Environmental and engineering consulting services |
| D4k_Consulting Provides expert economic, business and energy consulting in the Pacific Northwest. |
| DMA_Alternative_Energy_Engineering Engineering and project management services for sustainable alternative energy Systems including natural gas fueling, hydrogen vehicle fuelling, and power generation applications. |
| DNV_Consulting An independent foundation with the objective of safeguarding life, property and the environment, and an international provider of services for managing risk. |
| Downes_Associates,_Inc_ Engineering and management consulting for electric utilities in the areas of power plant, distributed generation, and substation design. |
| Dr_Irene_Pestov Specializes in developing computer models for geosciences, engineering, and management focusing on nuclear waste management, environmental protection, and dam break. Provides recommendations on modeli |
| Dwight_Ingram Geologist and Independent oil producer. |