| 1000Minds - decision making and prioritisation: 1000Minds uses patented technology to create advanced decision support software for use in prioritization, allocation and general decision-making applications. |
| ABSSP: C++ implementation of an exact algorithm for solving the subset sum problem. |
| AgenaRisk: Software and consulting in Bayesian networks, simulation and risk analysis. Causal modeling, data analysis and statistical modeling for AI, financial risk, six-sigma and project risk applications. |
| AGR: A software house and engineering company specialising in solutions and consultancy services. |
| AIMMS - The Modeling System of Paragon Decision Technology: An advanced integrated multidimensional modeling software for building decision support and optimization applications. |
| AMPL Modeling Language for Mathematical Programming: Support for users and prospective users of AMPL, a language and computing environment for describing a broad variety of optimization problems to a range of "solvers" for such problems. |
| Applied Mathematics, Inc.: Provides consulting services in mathematical modeling, operations research and software development. |
| August-Gram Consulting, Inc.: Operations Research, decision analysis and analysis of alternatives consulting firm |
| Axioma, Inc.: Provides modeling and optimization technology to help in decision support applications. Includes news releases and contact information. |
| Banxia: Software for Data Envelopment Analysis and qualitative modeling: Developer of Frontier Analyst, and Decision Explorer software for professional decision making. |
| Business Engineering: Provides facilities planning and materials management problem solving to manufacturing and distribution companies. |
| COIN-OR: A repository of source code, models, data and examples available under open-source licenses. |
| CQM - Specialists in Quantitative Modelling: Consulting service and software design. |
| Critical Path Analysis and PERT charts: A short overview of project analysis/management networks describing Critical Paths and PERTs |
| Dash Optimization: Modelling and optimisation software, Xpress-MP solves large optimization problems in areas such as supply chain & logistics. |
| Data Envelopment Analysis for Benchmarking Software: Data Envelopment Analysis for Benchmarking Software |
| DEA homepage: DEA is a section of operations research that evaluate efficiency of decesion making units, and has many applications in other area of OR. |
| DEAzone: Data Envelopment Analysis Software. |
| Decision Analysis Training & Consulting: Training and assistance in Decision Analysis and Project Risk Management; software; consulting. |
| Decision Context - Prudent decision making: Operations Research Enthusiasts - Practising Optimization, Simulation, Statistics and building models in Excel and Access |
| Decision Science Center: Decision Science Center partners with companies to consult in the areas of optimal business decisions across industries. |
| Decisioneering, Inc.: Producer of Excel-based risk and decision analysis tools (Crystal Ball, CB Predictor) for business forecasting |
| DecisionTek, LLC: Designs and implements custom studies and technology solutions. |
| Dose: Two new software products solving optimal inventory control problems for trade and tech service enterprises. |
| Drayton Analytics: Provider of software and economic consulting services to the Operations Research community and utility industries |
| Esteco - Multi Disciplinary Optimization software: Software and consulting company. Creators of modeFRONTIER, a multiobjective and multidisciplinary optimization software and design environment. |
| Evans & Peck - Decision Modelling: Evans&Peck operates in the Asia Pacific region and offers simulation modelling (agent based, discrete and system dynamics), optimisation and financial modelling services to aid in the decision making process. |
| Expert Choice Inc.: AHP and other decision support software. |
| GAMS Development Corporation: The General Algebraic Modeling System (GAMS) is a high-level modeling system for mathematical programming problems. |
| Global Optimum Ltd.: Provides optimisation technologies for business. |
| HIRON: Global Optimization Algorithm: Web-based tool for solving practical optimization problems. |
| Home of GLPK (GNU Linear Programming Kit): The GLPK (GNU Linear Programming Kit) package is intended for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems. |
| ILOG - Optimization Software Vendor: Information about the ILOG Optimization Suite, ILOG CPLEX, ILOG Solver, and ILOG OPL Studio |
| ILOG CPLEX: Delivers optimization software for solving linear, MIP and MIQP problems. |
| INFORM UK: INFORM supplies IT systems for intelligent decision support based on advanced optimization technologies including fuzzy logic. |
| Intelligent Decision System: Specialised in multi-criteria decision analysis under uncertainties. |
| Jay Adamsson Consulting: Provides consulting services in the field of operational research. |
| LEGION: The Legion simulation system predicts, measures and displays actual human movement within existing and unbuilt venues, to improve design and operational effectiveness and safety. |
| LINDO Systems: Optimization modelling software. |
| Linear Programming with lp_solve and O-Matrix: Tools for integrating lp_solve, a free, public domain linear programming solver with the O-Matrix technical computing environment. |
| Lumina Decision Systems, Inc.: Business modelling consulting, software, and seminars. |
| Malt Company: Barley Malt, Wheat Malt, Malt Extract, Dry Malt Extract, Liquid Malt Extract, Malt Flour. |
| Mathcom Solutions, Inc.: Software solutions for finance, engineering, and operations. |
| MathPro Inc.: Specializes in the practical application of mathematical programming to economic analysis, planning, public policy, and decision support. |
| Maximum Entropy Data Consultants Ltd (MEDC): MEDC specializes in custom and semi-custom software for Bayesian Data Analysis to estimate the parameters of a physical distribution given some data. |
| MicroSystems Integration, Inc.: Provides products and services in the broad areas of operations analysis, performance measurement, planning and system development. |
| Monte Carlo Simulation, Forecasting, and Optimization: Analycorp presents INSIGHT.xla, software for Monte Carlo simulation, forecasting, and optimization, as well as seminars in their application. |
| Nonlinear optimization algorithms and software: Pinter Consulting Services specializes in algorithm and software development, consulting and workshops. |
| Novel technology for numerical optimization: New technology for large-dimensional non-linear optimization is presented. Free version of software for optimization is available. |
| OPCOM Pty Limited: Scheduling and routing, software and consultancy services. |
| OptimizationCraft: Offers services for solving of real life Optimization problems, consulting services, modeling and simulation. Also carries out R&D projects. |
| OptiRisk Systems: Creator of fortmp, fortsp, fortQP, and ampl software. |
| OPTLINE - Integer and Combinatorial Optimization: OptLine is a combinatorial optimization problems solver. |
| Optomatica consulting: A consultancy with expertise in optimization, machine learning, neural networks, natural computation approaches, and advanced modeling techniques. |
| ORTEC - Planning, Optimization and Decision Support Solutions: ORTEC is a major player in the advanced planning software and operations research field. |
| Palisade Corporation: Risk and decision analysis software, including @RISK. |
| Planning and Optimization of Semiconductor Defect-Inspection/Metrology: |
| Point Wizard: Software to help decision makers prioritize, to make consistent decisions and for calibrating additive points systems, e.g., Health waiting lists. |
| Polaris Consulting: Provides professional consultancy services in Operational Research (OR). |
| PSL Optimisation Software: Provides optimisation software development. |
| Pysimplex: Basic Python tools for constructing, solving and optimizing systems of linear equations and inequalities. |
| QUADRANT: Risk Analysis Tool for Excel: Monte-Carlo Risk Analysis add-in for Excel. Free trial download. |
| Simulation Services: Provides simulation modeling and analysis, optimization and custom decision support tools to the petroleum, healthcare, logistics and finance industries. |
| SPEC Engineers: Design & Manufacturing of Vegetable oil plants, consultants, Turnkey project solution. |
| Specialist Software Engineering Consultancy: Tynemarch Systems Engineering Ltd. specialises in the field of applied systems analysis and optimisation. |
| Strategic Decisions Group: An international management consulting firm specializing in strategy, strategic change, and growing shareholder value. |
| Strategic Management Science Inc.: Helping management use MS/OR to create a sustainable competitive advantage. They also publish a monthly e-newsletter. |
| Supply chain optimization: Manufacturing training, and implementation of chemical process optimization. |
| The KNITRO solver: KNITRO solves continuous nonlinear optimization problems by implementing an interior (barrier) type method with trust regions. |
| ThinkTank Mathematics: An operations research consultancy: ThinkTank is a Scottish technology consultancy and IP generator. |
| TOMLAB - MATLAB Optimization: For fast and robust large-scale optimization in MATLAB. TOMLAB provides interfaces to CPLEX, Xpress, SNOPT, MINOS, and MINLP. |
| TreeAge Software, Inc.: Decision tree analysis software. |
| Veros Software: Veros Software is a predictive technology software company. |
| Visual Thinking International: Developers of VISA, a sensitivity analysis tool and SIMUL8, which is used for discrete event simulation. |