Breese, Ill., August 28, 2025 – Poettker Industrial Services, a woman-owned business specializing in utility construction, recently promoted three of its project leaders, including Brett Timmermann, Adam Rennegarbe, and Eric Kahre.

Timmermann first joined Poettker as a project intern eight years ago. That same year, he came on full-time as a Project Engineer after earning his Bachelor of Science in Civil Engineering from Southern Illinois University Edwardsville. Recognizing his talent, .

In his new role, Timmermann will serve as the primary lead on projects, manage the project’s operations, implement best practices, oversee project finances and provide a positive customer experience.

Rennegarbe earned a promotion to senior project manager in which he will oversee construction efforts toward keeping projects on schedule and within budget, manage drawings and materials, oversee daily communication with the client and partners, and mentor project team members.

In 2019, he started at Poettker as a senior project engineer and earned a promotion to project manager before attaining this latest promotion. He holds a Bachelor of Science in Mechanical Engineering from the University of Illinois and a Master of Science in Engineering Management from Old Dominion University.

Kahre brings over 25 years of industry experience to the company. He started at Poettker in 2015 as a carpenter. He achieved a promotion to superintendent in 2018 and now will support the company as general superintendent. His new responsibilities include overseeing field operations, managing superintendents, conducting site visits and coordinating with trade contractors.

Poettker Industrial congratulates Timmermann, Rennegarbe and Kahre on their promotions and thanks them for their continued support.

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About Poettker Industrial Services: Poettker Industrial Services is a woman-owned business founded in 2021 by Kimberly Schlautman, an industry veteran with over 20 years of experience. The company specializes in general contracting and self-perform services within the utility sector, including transmission and distribution power delivery, substation and infrastructure construction, and renewable energy solutions.