PESI vs SPIR Comparison

Perma-Fix Environmental Services Inc is a nuclear services company and provider of nuclear and mixed waste management services. The company's nuclear waste services include treatment and management of radioactive and mixed waste (waste containing both hazardous and low-level radioactive waste). The company operates through two segments: i) The treatment segment: It offers nuclear, low-level radioactive, Mixed, hazardous and non-hazardous waste treatment, processing and disposal services, and ii) the Services segment which generates the majority of the revenue, provides on-site waste management services to commercial and government customers, technology-based services, construction, logistics, and transportation services among others.

Spire Global Inc provides space-based data, analytics, and space services, offering datasets and insights about Earth to support decision-making. It builds, owns, and operates a constellation of nanosatellites that observe the Earth in real time using radio frequency (RF) technology. Additionally, it offers Space Services solutions that allow customers to deploy and scale their own satellite constellations using its platform, ground station network, manufacturing facilities, and launch partnerships. The company derives revenue from providing data, insights and access to its cloud-based technology platform sold on a subscription basis.