Keystone Engineering Group, Inc. Competitors

At Jacobs, we're challenging today to reinvent tomorrow – delivering outcomes and solutions for the world's most complex challenges. With a team of approximately 45,000, we provide end-to-end services in advanced manufacturing, cities & places, energy, environmental, life sciences, transportation and water. From advisory and consulting, feasibility, planning, design, program and lifecycle management, we're creating a more connected and sustainable world.

Parker Hannifin is a Fortune 250 global leader in motion and control technologies. Guided by our purpose—“Enabling Engineering Breakthroughs that Lead to a Better Tomorrow”—we help customers solve complex challenges through expertise in electromechanical systems, filtration, fluid and gas handling, hydraulics, pneumatics, and process control across industrial, mobile, aerospace, and other critical markets. With operations in 43 countries, a distribution network reaching 10,000+ locations, 3,000+ ParkerStore locations, and customers in 104 countries, Parker partners globally to improve performance, reliability, and efficiency.

AECOMis the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management.AECOMis a Fortune 500 firm that had revenue of$16.1 billionin fiscal year 2025. Learn more ataecom.com.