Seattle-based Windward Environmental LLC joins Barr Engineering Co.

October 15, 2025

Environmental experts extend Barr’s integrated engineering and environmental services

For immediate release

MINNEAPOLIS AND SEATTLE—Barr Engineering Co. (“Barr”) and Windward Environmental LLC (“Windward”) are pleased to announce that the Windward team has joined Barr. This move brings together two organizations with complementary strengths to provide clients with comprehensive solutions in environmental science and engineering.

“We’re excited to welcome the Windward team into our organization,” said Ward Swanson, president and CEO of Barr. “Their specialized scientific expertise strengthens our ability to serve clients with complex environmental challenges, while Barr’s integrated engineering and environmental services offer end-to-end solutions to Windward’s clients.”

With the addition of the Windward team, Barr establishes a Seattle presence that enhances its ability to serve clients across the Pacific Northwest and expands its capabilities in key areas such as risk assessment and metals toxicity modeling. In joining Barr, an employee-owned company based in Minneapolis with offices across North America and projects worldwide, Windward gains access to the company’s cross-disciplinary engineering and environmental teams.

Together, the two organizations are positioned to address clients’ greatest technical challenges related to natural resources and engineering, emphasizing tailored solutions and outstanding client service.

“The Windward team is enthusiastic about beginning a new chapter as part of Barr Engineering Co., a trusted partner to our company for many years,” said John Toll, Windward’s managing partner. “Our two companies share a passion for technical excellence combined with exceptional client service, and our staff members are deeply committed to their work. I look forward to continuing to serve our clients and extending our reach as part of Barr.”

Established in 2000, Windward provides clients with defensible scientific data, unbiased technical analysis, and regulatory support. The company’s influential experts focus on ecological risk assessments, human health risk assessments, metals toxicity modeling (such as via the biotic ligand model), sediment remediation and dredging support, compliance and monitoring, habitat restoration, litigation support, redevelopment, and more. Windward is known for technical objectivity, regulatory acumen, and a solution‐oriented approach.

About Barr Engineering Co.

Barr Engineering Co. provides clients with comprehensive engineering and environmental solutions in the fuels, power, manufacturing, mining, and public sectors. Our nearly 1,200 team members take on high-stakes challenges and deliver lasting outcomes that benefit clients, communities, and the environment. More than a consulting group, Barr is a committed partner and advisor—investing deeply in our work and our clients’ success, across North America and worldwide. To learn more, visit barr.com.

View the news release in PDF format.

Barr and Windward representatives gathered in front of Windward’s Seattle office to celebrate joining forces.

Barr and Windward representatives gathered in front of Windward’s Seattle office to celebrate joining forces.