OPD Diagnostic Solutions Provides consulting and training services to support operational performance and effectiveness, and organizational structure. http://www.opddiagnostic.co.uk/

O'Mara and Associates Specializes in leadership development, diversity and team building consulting, facilitation and training. http://www.omaraassoc.com/

Organized Change Consultancy Provides strategic planning, organizational change, organizational assessments, surveys and team building. Located in San Diego, CA. http://www.strategicplanning.organizedchange.com/

Oliver, Wyman & Company This site specializes in the financial services industry.It helps companies to develop corporate level strategies. The specific areas that it assists companies in are Risk Management, Capital Markets, Retail Financial Services,Emerging Markets, Wholes Lending and Insurance and Investment Management. http://www.oliverwyman.com

Organisation Improvement Group Specialising in maximizing performance improvement in the areas of human resources, information technology and organization development. http://www.oigroup.co.uk/

Organizational Analysis Corp. Provides strategy consulting services including organizational change, leadership development, mission and vision development, and organizational assessments and diagnostics. http://oacmanagement.com/

Organizational Development Consultants Provides organizational development and change services including process re-engineering, team building, customer surveys, employee surveys, and sales force productivity. http://www.thepegroup.com

Orion Learning International, Inc. Focuses on guiding company leaders through turn-arounds, startups and high growth phases. http://www.orionlearning.com/

Organization Consulting Partnership A management consultancy that helps clients to improve performance through new approaches to strategy, structure, processes and people. http://www.ocp.co.uk/

OnSite Solutions, Inc. Offering a wide range of training, development and consulting services. Located in Dallas, Texas. http://www.onsite-solutions.com/

Omnirec Offers corporate advisory services, and experience with mergers and acquisitions, network financing and reorganizations of ailing companies. http://www.omnirec.com

OTi Consulting Management consultants specializing in total organization renewal, specialising in strategy, infrastructure and implementation. http://www.oticonsulting.com

Organica Consulting Ltd Consultancy specialising in buidling a firm's competitive advantage through innovation in strategic planning, and organisational structure and relationships. http://www.organicaconsulting.com

Office Central USA Professional business solutions including marketing strategies, business plans, marketing plans and strategic consulting. http://www.officecentralusa.com/

Operational Best Practices, Inc. Consultation for staffing firms. Background and contact information. http://www.operationalbestpractices.com/

Options for Change: Change Management Consulting Change management consultants offering tools and training for leaders, change agents, and teams. http://www.optionsforchange.com/

NoCureNoPay Offers personal consulting services to executive directors and managers of private and public companies via e-mail and video- conference technology. http://www.nocurenopay.com/