What TerraSim does

TerraSim, founded in 1996 and headquartered in Pittsburgh, was a geospatial technology company specializing in terrain creation and management tools for synthetic training environments. Its core product, TerraTools, enabled defense organizations to build and manage geospatial databases that feed simulation systems used for military training, mission rehearsal, and tactical planning. In December 2024, BAE Systems acquired TerraSim and consolidated it with Bohemia Interactive Simulations (BISim) and Pitch Technologies into a unified commercial division called OneArc, giving the combined entity a 30-year operational pedigree and a footprint spanning more than 60 nations.

Under OneArc, the TerraSim product line is part of a broader portfolio that spans simulation (VBS4, VBS Builder Edition), geospatial (TerraTools, Mantle, Mantle Enterprise), visualization (Blue IG, Blue IG SDK), and interoperability (Pitch Infrastructure, Pitch Talk, Pitch Debrief, Pitch Developer Tools). These products share common data standards and are designed to interoperate under NATO HLA standards, including the upcoming HLA 4 / IEEE 1516-2025 specification. The platform supports distributed simulation across air, land, maritime, space, and cyber domains, and is complemented by integrated solutions such as BattleLab (plug-and-play training), FlowState (drone operator training), and SceneCast (geospatial asset ingestion).

Revenue is generated through one-time software licensing, professional services (training, integration, customization), and SDK/dev tools sold to defense ministries, military procurement agencies, and a global network of over 300 defense integrators. Pricing is quote-based and not publicly disclosed. Go-to-market combines direct enterprise field sales with channel partners and event-driven engagement at defense industry conferences such as Farnborough International Airshow, DALO Days, and the Bundeswehr (Aus)Bildungskongress. The company holds ISO 9001 certification and has established strategic partnerships with Rheinmetall, PLEXSYS, and Indra Group to extend live-virtual-constructive training capabilities to additional customer bases.

Name

TerraSim

Legal name

TerraSim

Website

https://terrasim.com

Company type

Private

Founded year

1996

Operating status

Acquired

Headcount range

11–50 employees

Short description

TerraSim provides geospatial terrain creation and management tools for synthetic military training environments. Acquired by BAE Systems and consolidated into OneArc, it serves U.S. military, NATO, and allied defense forces across more than 60 nations through a network of 300+ integrators.

Ownership category

akta.pro rank

Product category

Defense Simulation Software

NAICS

Geophysical Surveying and Mapping Services (541360), Computer Systems Design and Related Services (54151), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511)

SIC

Services-Computer Integrated Systems Design (7373), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Satellite Imagery & Remote Sensing Geospatial Platforms (BPAMANAM)

akta.pro secondary industry

Defense R&D, Test, Evaluation & Innovation (BPAIAHAC)

Keywords

• Military simulation software
• Synthetic training environments
• Geospatial terrain tools
• Distributed simulation infrastructure
• Defense training solutions

Headquarters

HQ city

Pittsburgh

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure, Supply Chain

Revenue model

1. Software Licensing: Sale of software products including VBS4, Mantle, TerraTools, Blue IG, and Pitch solutions to military customers and defense integrators. Products are available as ready-to-go software with customization options.
2. Professional Services: Expert support, professional services, and tailored solutions that help maximize value of software and platforms. Includes training, integration, and customization services.
3. Software Development Tools: SDKs and development tools for customizing products and enabling efficient creation of custom applications and integrations.

Go-to-market motion3 records

Distribution channels3 records

Marketing channels6 records

Core offering

TerraSim develops geospatial software products—primarily TerraTools and the Mantle terrain creation and correlation suite—for authoring, managing, and correlating terrain data used in synthetic military training environments. Following its acquisition and 2024 consolidation into BAE Systems' OneArc division, its offerings are sold as part of an integrated portfolio covering simulation (VBS4), visualization (Blue IG), and interoperability (Pitch) for U.S., NATO, and allied defense customers.

Product overview

TerraSim's portfolio, now consolidated under BAE Systems OneArc, consists of a multi-product platform architecture spanning simulation, geospatial, visualization, and interoperability domains. The core geospatial products include TerraTools for terrain data management, Mantle and Mantle Enterprise for terrain creation and correlation across teams. The visualization layer is anchored by Blue IG image generator and its SDK for customization. Simulation capabilities are provided through VBS4 and VBS Builder Edition for scenario-based training. Interoperability is enabled by the Pitch product family (Pitch Infrastructure, Pitch Talk, Pitch Debrief, Pitch Developer Tools) built on HLA and NATO interoperability standards. These products share common data standards and can exchange terrain and scenario information, allowing customers to select individual products or an integrated suite for synthetic training, mission rehearsal, and decision-making across air, land, maritime, space, and cyber domains.

Differentiator

Problem solved

Functional benefit

Brands

• TerraTools: A geospatial product for terrain creation and management, now offered under the OneArc brand.

Products and services

• TerraTools Geospatial terrain tools enabling terrain creation and management for synthetic training environments; used by defense integrators and military customers to author and maintain training terrain data.
• Mantle Terrain creation and correlation tools enabling teams to make and correlate terrains across systems regardless of operational scale; for defense training and mission rehearsal programs.
• Mantle Enterprise Enterprise-scale terrain correlation solution for large organizations requiring coordinated terrain management across multiple teams and systems.
• VBS4 Comprehensive virtual desktop training environment enabling creation and execution of military training scenarios; sold to defense customers and integrators for synthetic training.
• VBS Builder Edition Scenario building and editing tools for VBS4-based training environments; for instructors and integrators building military training scenarios.
• Blue IG Cutting-edge image generator delivering realistic, high-performance visuals for mission training, tactical rehearsal, and simulation systems; used by defense integrators and military customers.
• Blue IG SDK Software development kit enabling customization and creation of custom applications and integrations for Blue IG; for developers building on the Blue IG visualization platform.
• Pitch Infrastructure Scalable architecture and tools for distributed simulation based on open international standards, including HLA; enables interoperability across distributed training systems.
• Pitch Talk Real-time communication and collaboration tools for distributed simulation environments; used by training participants across networked simulation sessions.
• Pitch Debrief Post-exercise analysis and debriefing capabilities for distributed simulation sessions; for instructors and after-action review teams.
• Pitch Developer Tools Comprehensive SDKs and development tools for customizing interoperability solutions and building custom applications on Pitch technology.
• BattleLab Plug-and-play training classroom solution for military sub-units such as combined arms teams; integrated hardware and software bundle.
• FlowState Complete hardware and software solution designed to train operators across the full spectrum of drone operations.
• SceneCast Hardware and software solution for bringing field-collected geospatial assets into synthetic training environments with speed and precision.

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Three partnerships are on record, tiered core and flagship.

• RheinmetallcoreStrategic or Co-development Partner · 8 December 2025Strategic partnership for development of unified live-virtual-constructive training systems. Collaboration aims to integrate simulation capabilities across air, land, maritime, space, and cyber domains for enhanced military training interoperability.
• PLEXSYScoreStrategic or Co-development Partner · 8 December 2025Strategic partnership to develop unified live-virtual-constructive training systems. Working together to deliver interoperable training solutions that span multiple defense domains.
• Indra GroupflagshipStrategic or Co-development PartnerIndra Group is incorporating OneArc solutions to strengthen scenario generation and enhance realism of images in Spanish Army military vehicle simulators. Collaboration includes integration of immersive technologies and development of next-generation simulation capabilities for land vehicle training.

Scale indicators3 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• CAE: Global leader in military simulation and training services with deep NATO and DoD relationships; competes head-to-head in synthetic training environments and mission rehearsal, overlapping with TerraSim's VBS4/Mantle use cases.
• ST Engineering (Training & Simulation Systems): Operates a defense simulation and training business serving air, land, and maritime customers globally with synthetic training systems — comparable scale and customer set to TerraSim's NATO footprint.
• Lockheed Martin (Training & Logistics): Major defense prime operating in military training and simulation through programs like Prepar3D; competes indirectly by integrating synthetic environments into broader platform programs serving overlapping defense customers.
• Saab (Training & Simulation): Saab's training and simulation division supplies military synthetic training solutions to NATO and European allies, offering comparable interoperability-focused products and serving similar customer programs.

Emerging players

• SimIS Inc. U.S.-based defense modeling and simulation services company supporting the DoD's synthetic training and analysis programs — comparable niche competitor in the military simulation services market.
• Quantum3D: Supplies image generation and visual simulation systems (MANTIS, GeoScape) for military training and rehearsal applications, overlapping with TerraSim's Blue IG and geospatial visualization stack.

Direct peers

• Presagis: Provides geospatial content creation and synthetic environment tools (Vega Prime, Ondulus) for defense and aerospace simulation — a direct competitor to TerraTools and Mantle in the terrain pipeline.
• Bohemia Interactive Simulations: Now consolidated into OneArc alongside TerraSim, BISim provides VBS simulation software used by NATO militaries for virtual training — directly comparable product offering (VBS series) and same customer base as TerraSim's geospatial tools.
• Pitch Technologies: Also consolidated into OneArc; provides HLA-based distributed simulation interoperability tools directly used by NATO training programs — same standards stack and customer segment as TerraSim.

Others

• Rheinmetall (Defence): Strategic partner of TerraSim/OneArc for live-virtual-constructive training; while also a competitor for end-customer training program dollars, its broader role as both supplier and competitor of integrated live training makes it a comparable ecosystem participant.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/onearctech
• YouTubeyoutube.com/@onearc
• LinkedInlinkedin.com/company/onearctech

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TerraSim