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We figured out the best professional companies to work for in Pennsylvania using data on salaries, company financial health, and employee diversity. You can also search for the best professional companies to work for in any other state or city.

Zippia score 3.7
Universal Machine Company provides automation solutions, robotics, control panels and line integration services for global product manufacturers.
Zippia score 3.4
Traffic Planning and Design, Inc. is a multi-disciplined A/E/C firm serving clients since 1989 throughout the eastern United States (PA, NJ, DE, MD, NY, DC,
Zippia score 4.4
GP Strategies Corporation provides customized training solutions focused on performance improvement initiatives, as well as consulting, engineering, and technical services. Its custom training, sales training, and performance improvement services include fundamental analysis of a client's training needs, curriculum design, instructional material development, information technology service support, and delivery of training. The company's business process outsourcing solutions comprise the management of customers' training departments, as well as administrative processes, such as tuition assistance program management, vendor management, call center/help desk administration, and learning management system administration. GP Strategies' consulting services include training-related consulting services, as well as consulting services in business management, engineering, and other disciplines; engineering consulting services; and other consulting services, which comprise operations continuity assessment, planning, training, and procedure development. Its technical support services comprise procedure writing and configuration control for capital intensive facilities, plant start-up assistance, logistics support, implementation and engineering assistance for facility or process modifications, facility management for high technology training environments, staff augmentation, and help-desk support for client desktop applications. The company serves companies in the automotive, steel, oil and gas, power, chemical, electronics and technology, healthcare, and food and beverage industries, as well as government agencies. It has operations in the United States, the United Kingdom, Canada, Mexico, Malaysia, Singapore, India, and the People's Republic of China. GP Strategies was founded in 1959 and is headquartered in Elkridge, Maryland.
Zippia score 4.3
United Site Services is the nation's leader in portable toilet rentals and porta potty rentals. With more than 60 locations coast to coast, we are the most capable provider of quality portable restroom rentals and temporary fence rentals. Our fast, friendly customer service gives you peace of mind from expert planning to accurate delivery and quality service. Rely on us for your portable sanitation needs, large or small.
Zippia score 3.9
PeopleShare is a staffing company that recruits talented people and match them with area's top companies. The founders had a vision to be different than any other staffing company. All staffing companies, screen, interview and test their employees, but few provide real value. Our value to our customers - "Provide great people to great companies." It is how we provide great people that makes us different. Our years of experience in both small and larger staffing companies has given us a unique advantage.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Universal Machine | |
| 2 | Traffic Planning and Design |