> ENVIRONMENTAL INFORMATION SYSTEMS (CORPORATION) Nevada Since: 1996 ENVIRONMENTAL INFORMATION SYSTEMS (CORPORATION)
> EFFICIENT MECHANICAL SYSTEMS ENGINEERING, LLC Nevada Since: 2023 EFFICIENT MECHANICAL SYSTEMS ENGINEERING, LLC
> EFFECTIVE TECHNOLOGY & COMMUNICATION SERVICES LLC Nevada Since: 2024 EFFECTIVE TECHNOLOGY & COMMUNICATION SERVICES LLC
> EDLEN ELECTRICAL EXHIBITION SERVICES, INC. Nevada Since: 1994 EDLEN ELECTRICAL EXHIBITION SERVICES, INC.