Top 10 rankings: No. 10 for career development, No. 10 for retention Career development is top of mind at this Arlington, Va.-based organization, which represents consumer-owned power cooperatives. NRECA offers multiple continuing-education, tuition-assistance and mentorship programs, and IT pros enjoy a challenging and fulfilling work environment thanks to the organization's continued investment in the latest network hardware, software and infrastructure. Reliable remote access to corporate systems and a policy that allows people to set up alternative working arrangements make it easier for employees live and work in an area with one of the highest average commute times in the country. NRECA's Spot Award program gives employees and managers a way to recognize their co-workers' accomplishments.