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50+ Years
experience
Emergency
services
Your Trusted Electric & Mechanical Contractor in DeForest, WI
Since 1913, Hooper has established itself as a leading electric power and mechanical contractor with headquarters in Wisconsin and regional offices across Colorado, Florida, and Ohio. Our expertise spans fabrication and installation of complex plumbing, process piping, fire protection, and HVAC systems, alongside constructing substations and high-voltage transmission lines. We specialize in nationwide emergency storm response, providing critical power line clearance and restoration services. Our Service Division offers 24/7 maintenance and repair solutions for Wisconsin homeowners and businesses. With a Safety Empowered philosophy, we invest heavily in training, equipment, and holistic well-being programs to ensure zero-accident outcomes.

Through our charitable foundation, we support community nonprofits, reinforcing our commitment to ethical conduct and environmental stewardship. Our 100+ years of experience, combined with a fleet of specialized equipment and a team of certified professionals, enable us to deliver unmatched quality and reliability. We serve commercial and residential clients nationwide, prioritizing long-term relationships built on trust and excellence. Our vision drives us to become the nations most respected contractor while maintaining industry-leading safety standards and fostering a culture of inclusion and innovation.
Services
Electric Power Contracting Transmission & Distribution Substation Construction Emergency Storm Response Line Clearance Services Custom Metal Fabrication Fire Protection Systems HVAC Installation Plumbing Solutions Process Piping
Details
  • Year established: 1913
Highlights and features
  • We offer over 100 years of experience in electric power and mechanical contracting.
  • Our nationwide service covers emergency storm response and critical infrastructure projects.
  • We provide 24/7 maintenance and repair services for Wisconsin residential and commercial clients.
  • Our safety program includes OSHA-certified training and mental health support for employees.
  • We maintain a fleet of specialized equipment to handle complex construction challenges.
Associations and certifications
  • Certified Safety Professionals (CSP)
Services
Electric Power Contracting
Hooper delivers comprehensive electric power solutions including substation construction, transmission line installation, and high-voltage distribution systems. Our expertise ensures reliable infrastructure for utility providers and industrial clients. We combine advanced engineering with safety-certified crews to complete complex projects efficiently.
Emergency Storm Response
Our 24/7 storm response teams deploy nationwide to restore power after natural disasters. Specialized equipment and pre-positioned crews enable rapid response for downed lines and damaged infrastructure. We maintain mutual aid agreements with industry partners to scale operations during major events.
HVAC Installation
We design and install commercial HVAC systems with precision engineering and energy-efficient components. Our certified technicians handle complex ductwork, refrigeration, and climate control solutions for new constructions and retrofit projects. Preventative maintenance programs ensure long-term system performance.
Fire Protection Systems
Hooper provides complete fire protection services including sprinkler system design, fire pump installation, and suppression system maintenance. Our NICET-certified professionals meet NFPA standards for commercial buildings, industrial facilities, and residential complexes.
Custom Metal Fabrication
Our fabrication facility produces custom steel components for industrial and construction applications. CNC machining, plasma cutting, and precision welding capabilities support projects requiring specialized piping, structural supports, and mechanical systems.
Questions
What geographic areas do you serve?
We operate nationwide with regional offices in Wisconsin, Ohio, Florida, and Colorado. Emergency services cover all 50 states through our mobile response teams.
Do you offer 24-hour emergency services?
Yes, our Wisconsin service division provides 24/7 HVAC and plumbing repairs, while nationwide electric power emergencies are handled through our 877-630-7554 hotline.
What safety certifications do your teams hold?
Our safety professionals include Certified Safety Professionals (CSP) with OSHA 500 credentials, CIC crane certifications, and specialized training in conflict de-escalation and emergency response.
Can you handle large-scale industrial projects?
Yes, our EPC capabilities and BIM/VDC technology support complex industrial projects. We've completed substations, manufacturing plant systems, and large commercial HVAC installations nationwide.
What sets your company apart from competitors?
Our 100+ years of experience, dedicated safety culture, and vertically integrated services from design to construction differentiate us. We combine generational expertise with cutting-edge technology for superior project outcomes.