Promigas SA ESP (Promigas) a subsidiary of Grupo Aval Acciones y Valores SA, is primarily engaged in the gas transportation and distribution industry. The company carries out the transmission and distribution of natural gas, liquefied natural gas, distribution and commercialization of electricity, integrated solutions for the industry and power generation. The company operates through five segments: Distribution and Sale of Energy, Gas Distribution, Gas Transportation, Integrated Solutions for the Industry and Non-Bank Financing. In FY2024, the company incurred a capital expenditure of COP976,433.9 million which was 13.3% of the company's total revenue and grew 32.7% YoY.

Promigas has undertaken several R&D initiatives focused on energy transition, digital innovation, and strengthening innovation capacities. The company has made significant progress in new energy sources, including energy storage and hydrogen for industrial use. Promigas has also developed a bioenergy and biomethane business case in Peru and collaborated with Sumitomo Corporation on the Hydrogen Business Plan for Colombia. Additionally, the company has expanded its portfolio of new energy business prospects significantly. The R&D unit of Promigas is the Center for Research and Innovation in Energy and Gas (CIIEG). This unit is responsible for developing innovations in energy transition, research and development, digital innovation, and enhancing the company's innovation culture and capacities.