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Henneman Engineering

Henneman Engineering

Engineering Your Future

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    Tomah Memorial Hospital

    Tomah, Wisconsin
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  • Featured Article

    Henneman Engineering completed a massive restoration for the Illinois Executive Mansion.
    Learn More
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    Featured Project

    Tomah Memorial Hospital

    Tomah, Wisconsin
    Learn More
  • Featured Article

    Henneman Engineering completed a massive restoration for the Illinois Executive Mansion.
    Learn More
  • Featured Project

    Tomah Memorial Hospital

    Tomah, Wisconsin

    Learn More
  • Featured Article

    Henneman Engineering completed a massive restoration for the Illinois Executive Mansion.
    Learn More

95% of Our Work Comes from Returning Clients – Here’s Why

Very few metrics tell a clearer story about a business than client retention. Ninety-five percent repeat business isn’t marketing spin. It isn’t momentum. It’s the result of how we choose to operate every day.

What That Number Represents

It represents engineers doing the fundamentals well.

We act in our clients’ best interests because that is the job. We treat them as partners and work to become an extension of their team — a reliable technical resource they can call when something is unclear, urgent, or complex. Our role is to sell our time and expertise to solve problems and create a clear path forward.

Doing the Right Work, the Right Way

We don’t accept work we aren’t qualified to perform just to establish a relationship. If we aren’t the right fit, we say so. Our credibility matters more than a short-term opportunity.

We avoid overpromising and underdelivering. Engineering is built on precision, not exaggeration. Clear scope. Realistic timelines. Straight answers.

Accountability and Quality

We maintain internal accountability. Peer review isn’t a formality — it’s part of our culture. Every deliverable reflects not just one individual’s work, but the standards of the entire group.

We support our clients regardless of administrative timing. Waiting on a purchase order? Near the end of a budget and scope items are still in progress? We stay engaged. Projects don’t pause simply because paperwork does.

We also make a deliberate effort to ensure that one client’s deadline is never an excuse for falling behind with another. Every client deserves focus and follow-through.

The Foundation of Trust

At the end of the day, our company exists because our clients choose to trust us. Their investment funds everything we do. We don’t lose sight of that.

Ninety-five percent repeat business is not a strategy. It’s a reflection of consistent fundamentals, applied over time.

That’s how we do it.

CONTACT US!
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  • Women’s Business Enterprise
  • Services
    • Building Information Modeling (BIM)
    • Commissioning Services and Plant Operation
    • Construction Administration
    • Electrical
    • Energy
      • Central Chilled Water
      • Cogeneration
      • Energy Modeling
      • Geothermal Services
      • Back
    • Plumbing and Fire Protection
    • Information Technology Services
    • Industrial Services
    • Mechanical
    • Structural
    • Sustainable/LEED
    • Back
  • Markets
    • Commercial
    • Criminal Justice
    • Education K-12
    • Government
    • Healthcare
    • Higher Education
    • Laboratories
    • Back
  • Projects
    • Commercial
    • Criminal Justice
    • Education K-12
    • Government
    • Healthcare
    • Higher Education
    • Laboratories
    • All Projects
    • Back
  • Industrial Technology Group
    • Home
    • Markets
    • Services
      • Mechanical
      • Electrical-Power
      • Electrical-Controls
      • Structural
      • Back
    • Projects
    • Back
  • Who We Are
    • About Us
    • Our Team
    • Mission
    • Community
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