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Advanced Systems for Power Engineering, Inc. (ASPEN) is a developer and marketer of engineering software for electric utilities, founded in 1986. Its software is used by over 750 clients in more than 68 countries, including electric utilities, consulting companies, government organizations and large industrial complexes. ASPEN is located in San Mateo, California.

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Big Copper Engineers is an electrical engineering firm in Southeast Idaho, launched in April 2022. It provides personalized and timely electrical engineering services with emphasis on first-time quality, constructability, code compliance, and cost-effective designs, along with construction and project management consulting. The firm is licensed to serve Alaska, Idaho, Montana, Nevada, New Mexico, Ohio, Tennessee, Washington, and Utah.

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ESM Engineers (Electrical Systems Management, LLC.) is a Service Disabled Veteran Owned Small Business consulting engineering firm based in Houston, TX. It is a multi-discipline engineering and design firm providing MEP design, commissioning, engineering studies, mission critical preventative maintenance, and 7x24 technical support and emergency response services.

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