Jobs & Economy in Chesterfield

Chesterfield's economy runs on a genuinely diversified, largely white-collar base, anchored by Bayer's substantial agtech research campus and Reinsurance Group of America's real corporate headquarters.

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Bayer's real 210-acre research campus

Bayer (which acquired Monsanto in 2018) operates a real, substantial Chesterfield Village Research Center, consolidating the company's North American agricultural R&D on one Chesterfield campus.

Reinsurance Group of America's real headquarters

Reinsurance Group of America (RGA), one of the world's largest global life and health reinsurance companies, is genuinely headquartered in Chesterfield -- a real, substantial financial-services anchor.

A common conflation worth correcting

World Wide Technology, a very large St. Louis-region employer sometimes associated with Chesterfield, is actually headquartered in neighboring Maryland Heights, not Chesterfield -- confirm a specific employer's actual location directly rather than relying on regional shorthand.

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.