Top Oklahoma City, OK Greentech Companies (5)

ENFRA is a national energy infrastructure and Energy-as-a-Service provider delivering vertically integrated engineering, construction, maintenance, asset management, and energy solutions. It serves mission-critical sectors including healthcare, higher education, and data centers, helping clients achieve measurable energy savings, reduce emissions, and build resilient infrastructure nationwide. Its mission is to deliver innovative solutions that empower customers and promote a sustainable future.

Freese and Nichols, Inc. is a professional planning, consulting and engineering firm serving clients across the Southwest and Southeast United States. With client service and continuous improvement in mind, Freese and Nichols plans, designs and manages sustainable water and infrastructure projects. It is the first engineering/architecture firm to receive the Malcolm Baldrige National Quality Award.

BuyBack Solutions provides organisations & government entities a seamless process for securely recycling used cell phones & mobile assets.

Vicinity Energy is a U.S.-based district energy provider operating systems that deliver steam, hot water, and chilled water to commercial properties and campuses. Its services support heating, cooling, humidification, and sterilization. The company is also advancing decarbonization through carbon-free eSteam™, produced with industrial-scale electric boilers, heat-pump complexes, and thermal storage, while serving customers across 12 U.S. cities throughout the United...

Schlumberger is a supplier of technology, integrated project management, and information solutions. Schlumberger is a technology company that partners with customers to access energy. Our people, representing over 160 nationalities, are providing leading digital solutions and deploying innovative technologies to enable performance and sustainability for the global energy industry. With expertise in more than 120 countries, we collaborate to create technology...