by Roeslein Roeslein

Roeslein & Associates is honored to have been named to the Top 150 Privately Held Companies in St. Louis by the St. Louis Business Journal for the 11th consecutive year. This list honors companies in the St. Louis area with the largest revenue for the last fiscal year.

The COVID-19 pandemic brought many challenges, but it never halted Roeslein’s substantial organic growth. Roeslein’s Divisional President of Professional Services, Larry Block, stated, “I believe what truly drives this company is the people. The hands-on attitude of the management team demonstrates our care and concern to meet customer expectations and deliver high-quality services.”

2020 marked 30 years of business for Roeslein and the company continues to serve as an industry leader in engineering, manufacturing, and installation of modular process systems. The company went from having 800 employees to over 1,000 employees globally. Roeslein’s emphasis on schedule compliance helps drive the company as an industry leader, while also providing more access to resources, enhanced ability to control production schedules, and reduction in overall project costs.

To accommodate its growing workload, Roeslein is currently hiring across its global offices. To apply or view current openings, visit the website at

Roeslein & Associates was founded in 1990, specializing in engineering, manufacturing, and construction services. The company has product offerings in both the container manufacturing industry and the process and energy sectors. Its 1000+ employees are spread throughout offices in North America, South America, Europe, and Asia. To find out more, please visit