WALTHAM, Mass., February 26, 2026 – Thermo Fisher Scientific, the world leader in serving science, today announced it has extended two leases for its lab operations in Middleton, Wisconsin. The 20-year lease extensions reflect Thermo Fisher Scientific’s PPD™ clinical research business’ dedication to maintaining and strengthening the company’s global lab competitiveness within the life sciences industry in the greater Middleton region.
“Our substantial lab footprint in Middleton contributes to the long-term growth and success for our organization and plays an integral part of the Wisconsin community,” said Deena Ensenberger, Vice President, GMP, Analytical Services, Clinical Research, Thermo Fisher Scientific. “We look forward to fostering and strengthening our relationship with both local and state leaders for many years to come. Our lab presence in Middleton allows us to best serve our customers by helping them deliver life-changing medicines for patients here in Wisconsin and around the world.”
The PPD™ clinical research laboratories currently occupy more than 500,000 square feet of laboratory space in the greater Middleton region and employs more than 2,000 colleagues. The business offers end-to-end analytical services to support clinical and commercial drug development and is committed to providing services combining high-quality scientific expertise with industry-leading technologies.
The business’ laboratories have grown steadily in Middleton since the mid-1990s. Most recently, in 2024, the business opened a new 72,500-square-foot facility at its good manufacturing practice (GMP) laboratory, which added another 300 jobs in the region.
About Thermo Fisher Scientific
Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue over $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD™.

