J vs IESC Comparison

Jacobs Solutions is a global provider of engineering, design, procurement, construction, and maintenance services as well as cyber engineering and security solutions. The firm serves industrial, commercial, and government clients in a wide variety of sectors, including water, transportation, healthcare, technology, and chemicals. Jacobs Solutions employs approximately 60,000 workers. The company generated $12 billion in revenue in fiscal 2025.

IES Holdings Inc owns and manages subsidiaries that design and installs integrated electrical and technology systems and provide infrastructure products and services. It has four business segments; Communications, Residential, Infrastructure Solutions, and Commercial & Industrial. The majority of the revenue for the company is generated from its Residential segment in which the company provides electrical installation services for single-family housing and multi-family apartment complexes, as well as heating, ventilation, and air conditioning (HVAC) and plumbing installation services. This segment also provides services for installing residential solar power, both for new construction and existing residences.