from concept to completion

GRP is a leading Midwest mechanical contractor that has a broad depth of services 



Performance Contracting is the smart choice—guaranteed energy savings.
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Speed, quality and confidence
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Demonstrating excellence in safety, quality and schedule compliance
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Service and

HVAC/R Solutions

Everything mechanical—from servicing your existing to new design
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Specializing in all facets of electrical construction and maintenance
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Why GRP?

Standout safety practices and training communicates our culture of integrity and

  • EMR = 0.63
  • Best in class orientation (watch video)
  • Stop Work obligation
  • Most comprehensive craft-specific training
  • Foreman leadership development
  • Tracking of leading indicators
  • Testimonials

Quality is never an accident! It is always the result of intelligent effort.

  • Professionally trained Quality Control Department
  • All field and shop work performed by union craftsmen
  • Management commitment to correct any known issues
  • 75% of Board of Directors are veteran union craftsman giving GRP leadership direct field experience

We are an organization that prides itself on honesty and trust.

  • We demonstrate honest, ethical behavior in all transactions
  • We maintain a workplace in which the safety, integrity, and dignity of everyone is valued
  • We demonstrate unyielding and uncompromising effort to achieve the highest standard of excellence
  • Mutual respect and ethical behavior are the basis for our relationships with colleagues, customers and the community

Collaborative efforts to efficiently drive your project and add value.

  • Strive to build a team truly reflective of the community we serve
  • Family atmosphere allows employees to feel supported creating more effective, satisfied employees ultimately driving the productivity of your project
  • Flexible teams allow for innovative solutions
  • Emphasis on problem solving and continuous improvement

Let us help You!

With our innovative technology and commitment to integrity and value, we are ready to provide the expertise you need with your next project.