Business Details
50+ Years
experience
Emergency
services
Your Trusted Electrical Contractor in Tempe, AZ
Delta Diversified Enterprises has been a trusted leader in the electrical contracting industry since 1971. Our company was founded on the principles of quality, safety, and customer satisfaction, which continue to guide our operations as a major commercial and industrial electrical contractor serving the Western United States. With three strategically located offices in Tempe, Prescott, and Yuma, Arizona, we provide comprehensive electrical solutions for projects ranging from new construction to complex renovations. Our team of 500-1,000 professionals, many with decades of tenure, delivers exceptional service through 24/7 emergency response capabilities, advanced BIM technology, and LEED-certified project management.We maintain rigorous quality control standards through documented shop drawings and equipment inspection processes, while our comprehensive safety program exceeds OSHA requirements. Recognized as one of the top 50 electrical contractors nationwide, we combine technical expertise with community commitment to deliver projects that consistently meet and exceed client expectations.
Services
Electrical Construction
Emergency Services
Virtual Construction
Design/Build
Preventive Maintenance
Thermal Imaging
Industrial Controls
Third Party Testing
Details
- Year established: 1971
Highlights and features
- We provide 24/7 emergency electrical services with rapid response teams
- Our LEED-certified managers ensure sustainable building solutions
- Recipient of numerous industry safety awards for our comprehensive safety program
- Founding member of Arizona Builders Alliance and National Center for Construction Education
- In-house BIM/VDC modeling team with field-experienced electrician detailers
Associations and certifications
- LEED
Services
Electrical Construction
We deliver comprehensive electrical construction services for commercial and industrial projects across the Western United States. Our experienced teams handle complex installations from initial design through commissioning, ensuring code compliance and operational readiness. With BIM technology and field-experienced electricians, we coordinate installations to meet exact client specifications while maintaining strict safety standards.
24/7 Emergency Service
Our emergency response teams provide immediate assistance for electrical issues at any hour. With 40 service vans, 3 bucket trucks, and 70 dedicated personnel, we guarantee rapid troubleshooting and resolution. Radio-dispatched vehicles ensure timely equipment delivery to restore operations quickly and safely for commercial clients.
Virtual Construction
Our BIM/VDC services create detailed digital representations of electrical systems before installation. Field-experienced electrician modelers produce accurate shop drawings that guide precise field installations. This technology ensures proper equipment placement, reduces conflicts, and improves project coordination through comprehensive 3D modeling and documentation.
Preventive Maintenance
We offer customized preventive maintenance programs to ensure long-term electrical system reliability. Services include thermal imaging, infrared scanning, and equipment testing to identify potential issues before failures occur. Our certified technicians implement scheduled maintenance plans that extend equipment life and minimize unplanned downtime for commercial facilities.
Design/Build
Our collaborative Design/Build approach combines electrical expertise with construction management for efficient project delivery. We work alongside architects and engineers to optimize designs for constructability and budget. This method streamlines decision-making, reduces project timelines, and ensures high-quality installations that meet client requirements through integrated team collaboration.
People
Larry Donelson
President / CEO
With decades of leadership experience, Larry Donelson guides Delta Diversified Enterprises' strategic direction while maintaining our founding commitment to quality electrical contracting and community partnership.
J. Bradley Berry
Chief Financial Officer
J. Bradley Berry oversees financial operations, ensuring fiscal responsibility and sustainable growth while maintaining our commitment to quality electrical services and employee development programs.
Leo D. Correll
Executive Vice President
Leo Correll manages key operations with 30+ years of electrical contracting experience, focusing on client relationships and project execution excellence across our Western US service area.
Duane E. Bushnell
Vice President/Controller
Duane Bushnell directs accounting operations with CPA expertise, maintaining financial integrity while supporting our investment in advanced electrical technologies and workforce development.
Donald Wagner
Vice President Engineering
As a licensed Professional Engineer, Donald Wagner leads technical operations, ensuring engineering excellence and compliance with industry standards in all our electrical construction projects.
Questions
What electrical services do you offer?
We provide full-service electrical contracting including construction, emergency services, BIM modeling, preventive maintenance, and Design/Build solutions for commercial and industrial clients.
Do you offer 24/7 emergency electrical service?
Yes, our 70-person service department operates 24/7 with 40 service vans and 3 bucket trucks for immediate emergency response across our service area.
Which areas do you serve?
We serve commercial and industrial clients throughout Arizona, California, Nevada, and New Mexico from our offices in Tempe, Prescott, and Yuma.
Are your electricians certified?
Yes, our team includes LEED-certified managers and experienced electricians with comprehensive training programs ensuring the highest industry standards.
What safety measures do you implement?
We maintain a comprehensive safety program exceeding OSHA requirements with regular training, equipment inspections, and field supervision to ensure safe working conditions.
Can you handle large-scale projects?
Yes, as one of the top 50 electrical contractors nationwide, we have the resources and expertise to manage complex commercial and industrial projects of any scale.
