Business Details
47 Years
experience
Emergency
services
Trusted Electrical & Solar Energy Contractors in Holtsville, NY
Eldor Contracting has built a reputation over 30 years by tackling complex commercial solar energy and electrical construction projects. Our approach emphasizes active listening, precision execution, and exceeding client expectations through proven expertise in high-voltage substations, utility-scale solar installations, and traffic signal infrastructure. With veteran field supervision and a focus on safety, we deliver large-scale projects for commercial and municipal clients while maintaining a client-centric philosophy rooted in transparency and mutual respect. Our team combines decades of industry experience with cutting-edge resources to address evolving energy demands and renewable technology integration. 
Services
Electrical Construction
Solar Installations
High-Voltage Substations
Traffic Signal Maintenance
Renewable Energy Projects
Details
- Year established: 1979
Highlights and features
- We offer 30+ years of experience in commercial electrical construction
- Our veteran field supervision ensures project excellence
- We provide utility-scale resources for renewable energy projects
- We maintain 24/7 emergency service capabilities
- Our team prioritizes safety and client communication
Services
Electrical Construction
We deliver comprehensive electrical construction services for commercial and industrial clients. Our expertise includes high-voltage substations, power distribution systems, and complex infrastructure projects. With specialized engineering resources and veteran field teams, we ensure reliable, code-compliant installations that meet evolving energy demands while maintaining strict safety protocols throughout the construction process.
Solar Installations
Our commercial solar energy solutions combine utility-scale resources with precision engineering. We handle complete solar farm development, facility integration, and grid interconnection projects. Our team evaluates electrical infrastructure compatibility, optimizes system performance, and ensures timely execution of megawatt-level installations while maintaining compliance with industry safety standards and environmental regulations.
Traffic Signal Maintenance
We provide comprehensive traffic signal construction and maintenance services for municipal infrastructure. Our experienced technicians handle installation, repair, and modernization of traffic control systems while maintaining operational continuity. This includes intelligent transportation systems integration, emergency response capabilities, and adherence to federal and state transportation safety requirements for urban and highway applications.
Questions
What electrical construction services do you offer?
We specialize in high-voltage substations, power distribution systems, and commercial infrastructure projects with safety-certified teams.
Do you handle large-scale solar projects?
Yes, we deliver utility-scale solar farms and commercial renewable energy installations with grid interconnection expertise.
Are you available for emergency repairs?
We provide 24/7 emergency response for critical electrical infrastructure failures and urgent maintenance needs.
What geographic areas do you serve?
While based in Holtsville, NY, we handle projects throughout New York State and select regional markets.
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