| 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. |
| E3_Energy_Services,_LLC Energy consulting services including distributed generation and interconnection, renewable energy, aggregation, energy procurement, municipal aggregation, energy market assessment and strategic planni |
| EA_Engineering,_Science,_and_Technology,_Inc_ Provides environmental services, offering a wide range of consulting, engineering, remediation, and analytical services to characterize and resolve existing and potential threats to the environment an |
| Earthsafe_Systems,_Inc_ Fuel systems for emergency power, fleet fueling, and industrial applications. |
| East_European_Gas_Analysis The firm specializes in cost-benefit and financial analysis of natural gas projects in Russia. |
| Easy_Title_24 Title 24 Energy Reports to Architects, Builders, Contractors, Engineers, Designers and Homeowners. |
| Eco3 UK based eco design and environmental consultants,providing advice on areas from the RoHS and WEEE directives to energy efficiency and packaging. |
| Ecochange Environmental,consultancy active throughout Europe. |
| Ecodirections_International_Pty_Ltd Assisted Dispute Resolution (ADR) consultant and policy advisors for planning and environment disputes. Provides facilitation services. Australia. |
| EcoLeaders Development, evaluation, and support (training and coaching) to clients (parks, museums, advocacy groups) involved in heritage interpretation and environmental education projects. |
| Ecologia_y_Empresa Bolivian company specialized in environmental consulting services. |
| Economic_Consulting_Associates Energy economics consulting services to industry and governments worldwide. |
| Ed_Malemezian_Consulting,_Inc_ Meter consulting services for electric utilities and related companies. |
| EIG_Energy_Initiatives_Group_LLC Project development, planning, strategy, execution, management, engineering, and operations consulting in the areas of electric transmission, generation, distribution, transportation, and renewable en |
| Eisenbach_Consulting Texas based energy management and consulting company utilizing a competitive bid process in helping management secure a fixed commodity price for electricity. |
| Electrowatt-Ekono_(UK)_Ltd_ Consultancy services for companies in the power, nuclear and oil/gas sector, including: engineering, procurement, construction supervision, commissioning, safety and risk assessment, and reliability s |
| Eliasson_&_Associates Consultancy for energy, sustainability and global change. |
| Ellen_Garvey_Environmental_Consulting Consulting services in air quality, transportation, environmental, and energy issues. |
| EMATS,_Inc_ An engineering, management and technical support group for energy production companies with proven technical, business and financial experience in the development, operation and management of gas, oil |
| EMC_Energy_Consulting International energy industry economics research and consulting firm providing energy market intelligence and management consulting services to the energy marketplace. |
| Emirates_Environmental_Consultancy_&_Studies_Center Consultants providing practical, high quality environmental consultancy services based in Dubai. |
| EN_SIGHT_Advisors Energy management consulting services for the electric and natural gas industries, advising gas/electric utilities, energy marketing companies and production companies. |
| ENCO_GmbH_Energy-Consulting Sustainable energy supply consultant company based in Switzerland. Site in German, French, and English. |
| Endpoint_Consulting Energy and utility cost consulting services to non-residential energy end-users, utilities and utility consulting firms. |
| EnerCon_Consultancy_Services Specializing in energy audits of manufacturing plants and facilities. Located in the Philipine Islands. |
| Enerdata French energy consultants providing comprehensive information products on energy and environment, combining up-to-date statistics and factual information. |
| Energetic_Consulting_Pvt__LTD_ India energy consultants. |
| Energia_com Wide range of services to assist people to understand and invest in Mexico's energy markets. |
| Energy_Advisory_Group,_Inc_ Energy consulting firm for the electric power industry providing business & management consulting, litigation consulting and expert witness testimony. |
| Energy_Analytics_Corporation Specializing in energy consulting as well as portfolio design and management. |
| Energy_and_Engineering_Solutions,_Inc_ Energy and engineering consulting. |
| Energy_and_Environmental_Economics,_Inc_ Consulting firm specializing in solving business and regulatory issues related to the electricity industry. |
| Energy_Calculation_Services Title 24 energy calculations, consulting, HUD and CHEERS auditing, documenting and facilitating. |
| Energy_Code_Works,_Inc_ California Title 24 energy calculation services to homeowners, architects, contractors, and builders. |
| Energy_Codes_Online National provider of commercial and residential energy code compliance services to homeowners, contractors, builders, architects, and corporations. |
| The_Energy_Concern Energy consultants with comprehensive energy plans to improve the efficiency of lighting, hvac, motors, cogeneration, and other systems. |
