Expand Energy (formerly Chesapeake + Southwestern)
Company · Oklahoma City, United States
energy – upstream natural gas
Recent activity confirmed, checked September 28, 2026.
In context
Expand Energy (formerly Chesapeake + Southwestern) is one of 42 companies in Oklahoma City, Oklahoma listed in the Innovative EcoSystems registry, and one of 898 across the United States.
The registry lists 218 innovation ecosystem organizations in Oklahoma City, Oklahoma in all.
Companies active in the regional innovation ecosystem, as partners, customers, employers or investors.
The United States scores 68.5 out of 100 on the IEPA (2024 edition), ranking 21 of 117 economies.
See the United States on the IEPA ↗
More companies in Oklahoma City, Oklahoma
- McAfee & Taft
Oklahoma City - Arledge
Oklahoma City - IEEE Oklahoma City Section
Oklahoma City - Crowe & Dunlevy
Oklahoma City - Northrop Grumman – Oklahoma City
Oklahoma City - Oklahoma City Java User Group
Oklahoma City - Phillips Murrah
Oklahoma City - Vigilant Aerospace Systems
Oklahoma City
Elsewhere in Oklahoma City, Oklahoma
- gener8tor Oklahoma City Investment Accelerator
Accelerator · Closed - Charlesson (United States)
Corporate R&D - OkAPEX at Metro Technology Centers
College or training provider - Oklahoma Department of Mental Health and Substance Abuse Services
Government or public body - OU Health
Health research - LX Studio Business Incubator
Incubator - Oklahoma City Innovation District (OKCID) – Innovation Hall
Innovation hub - i2E Inc. / i2E Management (iMCI)
Investor or fund
More companies in the United States
- Mars Wrigley Topeka plant
Topeka - Cartegraph
Dubuque · Closed - Telnyx
Chicago - M1
Chicago - Naztec International Group
West Palm Beach - Vivid Seats
Chicago - IMT Insurance
West Des Moines - United Rotary Brush
Olathe