| Accenture | | Global management consulting and technology services company. |
| Ameritas Ltd | | Consultancy services organization aimed at providing consultancy and advisory services to address business and IT needs. Based in the UK, offices in many countries worldwide. |
| Analysis Group | | International consulting firm specializing in growth strategies for disruptive markets. |
| APAC 1, Inc. | | Offers business and real estate appraisals, environmental inspections and testing, investigation services, adjusting, and marine consulting and surveying. Toledo, Ohio, and Temperance, Michigan. |
| Aquila Business Services Ltd. | | Consultancy, project management, mentoring and skills transfer, quality auditing, and stress relief through on-site massage and therapeutic aroma therapy. Dorset, UK. |
| Arthur D. Little | | Provides services across the full spectrum of business consulting, helping organizations by setting strategy, shaping the organizational culture and developing cutting-edge products and technologies. More than 50 offices worldwide. |
| Bain & Company | | A global business consulting firm with offices in North and South America, Europe, Africa, and Asia. Includes company profiles, industry focus, and articles. |
| Benchmark International Group | | International consulting specialists, providing services in institutional strenghtening, project management, corporatisation and privatisation, and financial management. Company profile, resources and port folio. |
| Berkshire Consultancy Ltd | | British business consultancy with a team of approximately 26 staff. Servicing both Britain and Europe. |
| Blazin' Inc. | | Provides contract management, accounts receivable management, financial management, administrative services and new business start-up. |
| Boleat Consulting | | Specializes in high value consulting on strategic public policy and representational issues. Based in London. |
| BTS | | Global business and technology consultants, supporting leading corporations in implementing change and profit improvements. Specialized in developing and delivering workshops containing tailor-made business simulations: IT based or manual. |
| Business Benefits Inc. | | Provides a wide range of products and services, including the research, evaluation, design, and implementation of numerous business benefit plans. |
| Conestoga-Rovers & Associates (CRA) | | An international family of companies providing advice in the fields of engineering, environment, construction, and information technology. Includes details of member companies and services. [Multiple languages] |
| Cornerstone Services, Inc. | | Serving the purchasing, supply chain management, accounting and general administrative change needs of manufacturing and service business clients. Located in Half Moon Bay, California. |
| Crow Development | | A Portland, Oregon-based professional consulting and training firm serving clients world-wide. Specializes in organizational effectiveness, change design and management, and project management assistance. |
| Crown Consulting, Inc. | | Business consulting from concept through requirement definition, specification, design, development, integration, test and evaluation, and implementation. Based in Washington, DC. |
| Delta Development Group, Inc. | | Consulting on issues involving real estate management, community and economic development and planning, information technology, and government relations. Located in Mechanicsburg, PA. |
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