Day & Zimmermann offers services as distinct as day and night. Its family of companies provides: engineering, construction, and plant maintenance; staffing; munitions manufacturing and demilitarization; and various government services. A top globa...
Pros
Compensation, coworkers, management focus on training, benefitsCons
Not a ton of holidaysAmerica's Largest Private Companies, Forbes, 2009 Top 100 Public, Private and Nonprofit Employers in Philadelphia, Philly.com, 2009