OLI Systems
OLI Systems (OLI, Inc.) provides electrolyte thermodynamics and water chemistry simulation software for predicting corrosion, scaling, and chemical equilibria. Its MSE model and OLI Studio, OLI Engine, OLI Flowsheet: ESP, and Cloud APIs serve oil and gas, chemicals, mining, power, water, and CCUS enterprises globally.
- Company typePrivate
- Founded1976
- HeadquartersParsippany, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What OLI Systems does
OLI Systems (legally OLI, Inc.) is a privately held specialty software company headquartered in Parsippany, New Jersey, founded in 1976. It develops electrolyte thermodynamics and water chemistry simulation software used to predict corrosion, mineral scaling, and chemical equilibria in industrial process environments. The company's proprietary Mixed Solvent Electrolyte (MSE) thermodynamic model and 50+ year validated chemistry property database underpin a product platform spanning desktop software (OLI Studio with Stream Analyzer, Corrosion Analyzer, and ScaleChem modules; OLI Flowsheet: ESP), an embeddable thermodynamic engine (OLI Engine) integrated into third-party process simulators (Aspen, gProms, Honeywell/KBC, SLB, SysCAD, Andritz), and a cloud/API layer (OLI Cloud APIs, OLI Cloud App Builder, and a specialized CO2 Transportation Cloud App for CCUS). Customers span oil and gas (upstream and downstream), chemicals, metals and mining (including lithium extraction), power generation, industrial water treatment, decarbonization/CCUS, government research, and academia, with named users including Chevron, Petrobras, BASF, Adnoc, Petronas, Rio Tinto, Rolls-Royce, and NASA/Southwest Research Institute.
OLI Systems firmographics
Firmographics- Name
- OLI Systems
- Legal name
- OLI, Inc.
- Website
- https://olisystems.com
- Company type
- Private
- Founded year
- 1976
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- OLI Systems (OLI, Inc.) provides electrolyte thermodynamics and water chemistry simulation software for predicting corrosion, scaling, and chemical equilibria. Its MSE model and OLI Studio, OLI Engine, OLI Flowsheet: ESP, and Cloud APIs serve oil and gas, chemicals, mining, power, water, and CCUS enterprises globally.
- Ownership category
- akta.pro rank
Where OLI Systems is headquartered
LocationHeadquarters
- HQ city
- Parsippany
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
OLI Systems business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Software Licenses and Subscriptions: Desktop software (OLI Studio, OLI Flowsheet: ESP) sold as licenses with ongoing subscription for updates and support. Cloud APIs and cloud solutions provided on subscription basis.
- Consulting Services: Expert consulting services for oil and gas, chemicals, metals and mining, power generation, industrial water, and research sectors including process optimization and corrosion management.
- Training Services: Online and in-person software training courses, on-demand training subscriptions, and classroom training for global clients.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise software licenses with subscription support |
| Subscription | Monthly | Cloud API access for enterprise chemistry modeling |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels6 records
OLI Systems product offering
Product offeringCore offering
OLI Systems develops and sells electrolyte thermodynamics and water chemistry simulation software used by industrial process engineers. Its desktop platform (OLI Studio with Stream Analyzer, Corrosion Analyzer, and ScaleChem), OLI Flowsheet: ESP, and embeddable OLI Engine deliver first-principles predictions of corrosion, scaling, and chemical equilibria for oil and gas, chemicals, mining, power generation, and water treatment operations. The company also offers REST-based Cloud APIs, a Cloud App Builder, and specialized applications such as the CO2 Transportation Cloud App for CCUS, complemented by consulting and training services.
Product overview
OLI Systems provides a platform-plus-modules product architecture centered on electrolyte thermodynamics and water chemistry modeling. The core desktop products include OLI Studio (a suite containing Stream Analyzer for aqueous speciation, Corrosion Analyzer for materials selection, and ScaleChem for mineral scale prediction) and OLI Flowsheet: ESP for process-level simulation. OLI Engine provides embeddable thermodynamics for third-party process simulators. Cloud offerings include OLI Cloud APIs (Engine, Corrosion, ScaleChem, Process, and Chemistry Builder REST APIs), OLI Cloud App Builder for custom applications, and the specialized CO2 Transportation Cloud App for CCUS pipeline integrity. The platform enables predictive chemistry through first-principles thermodynamic modeling for corrosion, scaling, and process optimization across oil & gas, chemicals, mining, power generation, and water treatment industries.
Differentiator
Problem solved
Functional benefit
Brands
- OLI Studio: Desktop software package including Stream Analyzer, Corrosion Analyzer, and ScaleChem tools for chemical analysis and modeling.
- OLI Engine
- OLI Flowsheet: ESP
- CO2 Transportation Cloud App
Products and services
- OLI Studio Main desktop application suite for water chemistry modeling providing speciation and properties calculation (Stream Analyzer), first-principles corrosion prediction for materials selection and safe operating limits (Corrosion Analyzer), and mineral scale formation prediction and mitigation (ScaleChem). For process and corrosion engineers in oil and gas, chemicals, mining, and water treatment.
- OLI Engine Embedded thermodynamic calculation engine that integrates OLI thermodynamics into third-party process simulators (Aspen, gProms, Honeywell, KBC, SLB, SysCAD, Andritz) for multi-stream analysis and computation of pH, conductivity, scaling, and corrosion rates. For process simulator users and engineering firms.
- OLI Flowsheet: ESP Flowsheet-level chemistry simulation software with rigorous electrolyte property methods, incorporating electrolyte chemistry into full process simulations for better design and yield. For process engineers performing full-plant simulation.
- OLI Cloud APIs REST-based cloud APIs providing automated access to OLI Engine for chemical stream analysis, mineral scaling, aqueous corrosion, process simulation, and custom chemical model development. Includes Engine, Corrosion, ScaleChem, Process, and Chemistry Builder APIs. For engineering teams and digital workflow developers.
- OLI Cloud App Builder Platform for creating customized OLI-powered cloud applications with simplified input/output interfaces for specific use cases. For solution builders, internal teams, and partner developers extending OLI chemistry into custom applications.
- CO2 Transportation Cloud App for CCUS Specialized cloud application for carbon capture, utilization, and storage (CCUS) that predicts whether impurities in CO2 transport will form corrosive environments in pipelines using first-principles thermodynamic models. For CCUS project developers and pipeline operators.
- OLI Consulting Services Expert consulting services for oil and gas, chemicals, metals and mining, power generation, industrial water, and research sectors including process optimization and corrosion management. For enterprise customers requiring applied chemistry expertise.
- OLI Training Services Online and in-person software training courses covering Stream Analyzer, ScaleChem, Corrosion Analyzer, and OLI Flowsheet: ESP, available via on-demand training subscriptions and classroom training for global clients. For OLI software customers and licensees.
Quantifiable outcome
- Predicting failures that laboratory testing cannot identify
- +3 more outcomes
Companies that use OLI Systems
Customer profileNamed customers21 records
Segments9 records
Ideal customer profiles5 records
OLI Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
AI capability3 records
Feature7 records
OLI Systems partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and minor.
- Lilac SolutionscoreLilac Solutions uses OLI software to model lithium brine and optimize process performance, accelerating production of battery-grade materials and strengthening the critical materials supply chain.
- NASA/Southwest Research InstitutecoreNASA and Southwest Research Institute partner with OLI to model chemistry on icy moons, expanding study of extraterrestrial environments and knowledge of where life may exist beyond Earth. OLI provides specialized electrolyte chemistry simulation for extreme conditions.
- U.S. DOE Critical Materials Innovation HubcoreThe U.S. DOE Critical Materials Innovation Hub uses OLI's proven chemistry models to design and evaluate next-generation hydrometallurgical extraction pathways that accelerate sustainable innovation in critical materials.
- SOCAR TürkiyecoreSOCAR Türkiye uses OLI software to automate corrosion modeling and guide materials selection across refinery systems, improving asset integrity and ensuring reliability throughout operations.
- DNV GLcoreDNV GL implements OLI software to model corrosion behavior under severe conditions, providing verified insight supporting critical materials decisions in extreme environments.
- CreedencecoreCreedence depends on OLI automation for real-time scaling analysis, enabling faster operational decisions and reducing field maintenance across multiple oilfield wells.
- CHIMEC S.p.AminorCHIMEC S.p.A product application engineers utilize OLI's electrolyte chemistry analysis capabilities for crude refining applications including salt precipitation handling and corrosion risk mitigation.
- Process Simulator Integrations (Aspen, gProms, Honeywell, KBC, SLB, SysCAD, Andritz)coreOLI Engine integrates with major process simulators enabling multi-stream analysis and computation of pH, conductivity, scaling, and corrosion rates for design and operations across the ecosystem.
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
OLI Systems competitors and assessment
Company assessmentDirect peers
- Virtual Materials Group (VMG): Closest direct competitor to OLI, providing electrolyte and aqueous thermodynamics simulation software (VMGThermo) for oil & gas, chemicals, and water treatment. Competes head-to-head on the same core problem of predicting scale, corrosion, and phase behavior in electrolyte systems.
- Process Systems Enterprise (PSE): Provider of gProms process modeling platform — explicitly integrated with OLI Engine — and developer of advanced physical-property models for chemicals, energy, and pharma. Overlaps with OLI in electrolyte-aware flowsheet simulation.
- Chemstations (CHEMCAD): CHEMCAD is a process simulation suite used in chemicals, O&G, and refining for steady-state and dynamic flowsheet modeling; competes with OLI Flowsheet: ESP among smaller and mid-market engineering teams.
Broad incumbents
- Aspen Technology (AspenTech): Leading process simulation platform (Aspen Plus, HYSYS, Aspen EDR) used across chemicals, O&G, and refining; embeds OLI's electrolyte engine but also has its own electrolyte and aqueous property methods, making it both a partner and an indirect competitor.
- Honeywell (UniSim): UniSim Design is a major process simulator in refining and petrochemicals and integrates OLI Engine for electrolyte properties. Comparable to OLI in serving O&G and chemicals process engineers, though Honeywell is a much broader portfolio incumbent.
- KBC (Yokogawa): Provides Petro-SIM and related process simulation and digital twin software for O&G and chemicals, and integrates OLI Engine for electrolyte thermodynamics. Competes with OLI at the flowsheet-and-operations level across the same enterprise customer base.
- AVEVA (Schneider Electric): AVEVA's process simulation portfolio (PRO/II, SimSci) and PI System operational data hub overlap with OLI's flowsheet and digital twin offerings, particularly via the OSIsoft PI integration noted in OLI's materials; comparable as an industrial digital-twin incumbent.
- Schlumberger (SLB): Integrates OLI Engine into its process and reservoir simulation ecosystem and competes at the broader well-to-process digital twin level for IOC/NOC customers. Relevant both as a channel partner and as a broad incumbent in oil & gas simulation.
Emerging players
- COMSOL: Multiphysics simulation platform increasingly used for electrochemical and corrosion modeling in academic and industrial R&D. Partial overlap with OLI's Corrosion Analyzer and electrochemistry modules, particularly for battery and corrosion research customers.
Regional players
- Metso (Metso Outotec) — Minerals & Metals Process Modeling: Provides hydrometallurgical and mineral processing simulation and equipment solutions used by mining customers like Rio Tinto and Albemarle; overlaps with OLI's metals & mining flowsheet use cases (lithium, REE, copper) as an incumbent process technology supplier.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
OLI Systems social profiles
Digital presenceOLI Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
OLI Systems leadership team
Management profileNumber of profiles
Profiles15 records
OLI Systems funding detail
Funding detailFunding overview
Funding rounds3 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OLI Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about OLI Systems
What does OLI Systems do?
OLI Systems develops and sells electrolyte thermodynamics and water chemistry simulation software used by industrial process engineers. Its desktop platform (OLI Studio with Stream Analyzer, Corrosion Analyzer, and ScaleChem), OLI Flowsheet: ESP, and embeddable OLI Engine deliver first-principles predictions of corrosion, scaling, and chemical equilibria for oil and gas, chemicals, mining, power generation, and water treatment operations. The company also offers REST-based Cloud APIs, a Cloud App Builder, and specialized applications such as the CO2 Transportation Cloud App for CCUS, complemented by consulting and training services.
Is OLI Systems a public or private company?
OLI Systems is a private company. It is classified as unknown and is currently operating.
When was OLI Systems founded?
OLI Systems was founded in 1976. It employs 11 to 50 people.
Where is OLI Systems based?
OLI Systems is headquartered in Parsippany, United States, in the North America region.
How does OLI Systems make money?
Three revenue lines are on record. Software Licenses and Subscriptions are the primary driver. The others are consulting Services and training Services.
Who are OLI Systems's main competitors?
Direct peers on record are Virtual Materials Group (VMG), Process Systems Enterprise (PSE) and Chemstations (CHEMCAD). Broad incumbents are Aspen Technology (AspenTech), Honeywell (UniSim), KBC (Yokogawa), AVEVA (Schneider Electric) and Schlumberger (SLB). COMSOL is listed as an emerging player. Metso (Metso Outotec) — Minerals & Metals Process Modeling is listed as a regional player.
Does OLI Systems have an API?
Yes. OLI Cloud APIs are REST-based APIs that provide access to OLI's water chemistry and thermodynamic modeling capabilities. They enable automated workflows and real-time data processing for chemical stream analysis, mineral scaling, aqueous corrosion, and industrial chemical applications. Available APIs include: OLI Engine Cloud API (electrolyte calculations, database integration, chemical stream analysis), OLI Corrosion Cloud API (electrolyte calculations, water corrosion prediction, operating window design), OLI ScaleChem Cloud API (electrolyte calculations, mineral scaling prediction), OLI Process Cloud API (process simulation, energy/mass/species balances), and Chemistry Builder Cloud API (custom chemical model development for electrolyte calculations). Developer documentation is at olisystems.com/software/oli-cloud-apis.