Register of corporate and industrial actors of the chronicle, organized by era of prominence. Named firms retain individual entries; minor belt extraction and mining firms are consolidated in the Belt Extraction Companies register.
Era I — Terrestrial & Early Space Industry (1965–2099 ES)
- Anthropic — American AI research company, one of two frontier laboratories
- Cognitive Genesis Research — Austin, Texas-based company, co-founded by Dr. Amara Fennimore
- Google DeepMind — American AI research laboratory, one of two frontier organisations
- Halcyon Cognitive Systems — neural core licensee, pioneer of the cognition cluster business model
- Hohmann Fleet Lines — founded 2073; one of two commercial carriers
- imec — Leuven research institute; origin of the neural core’s weight-plane device physics and of Neuromorphic Foundries’ founding team
- Lagrange Interplanetary Transport — founded 2073; operates interplanetary trade
- Loongson — Chinese microprocessor company, developer of the LoongArch instruction set
- OpenAI — American AI research company, a defining institution of the 2020s
- Qiyuan Robotics — Shenzhen-headquartered firm; demonstrated YUANSHI-1 in 2051
- Synaptic State Dynamics (SSD) — Google-backed research subsidiary founded 2046
Era I–II — Continuing Operations
- Helios Prosthetics — developer of the neuromotor interface architecture underlying Anthros products
- Hesperus Initiative — Venus terraforming company founded 2078 by Torvald Meling; active through Era IV
- Neuromorphic Foundries — Leuven, Belgium-based company co-founded 2058 by Sofie Van der Meulen
- Roscosmos — Soviet state space corporation; exclusive manufacturing patents on the Kuzmin Drive; active through Era IV
Era II — Settled-System Industry (2100–2199 ES)
- Anthros Concierge Systems — dominant prosthetics and elective-augmentation manufacturer in the Belt
- Apex Orbital Extraction — Martian-origin mining firm, one of seven approved to operate on Ceres
- Argus Extraction Defense — security contractor and weapons manufacturer headquartered on Vesta, founded by Nathaniel Argus
- Belt Extraction Companies — group register of the Ceres-approved extraction operators
- Celestia Structural Group — dominant off-world construction and infrastructure firm of the early 22nd century
- Nova Biosciences — privately-held biotechnology company founded by Dr. Amelia T. Murphy
- Novaya Zarya Propulsion Cooperative — Mars-based propulsion engineering firm, founded 2117 at Chryse Basin