Schweitzer Engineering Laboratories
Engineering Services
Why pick this one
They are the first company to develop microprocessor-based digital protective relays and have been in business since 1984.
Best for
- companies needing power system protection
- utilities seeking reliable substation automation
Look elsewhere if
- small-scale electrical jobs
- non-commercial projects
Specialties
- substation automation
- microgrid control
- power system protection
Certifications
- ISO 9001
What makes them different
- 100% employee-owned since 2009
- products have a mean time between repairs of more than 250 years
- first company to develop microprocessor-based digital protective relays
- committed to continuous improvement
- Years in business
- 39
Distilled from this business's own website.
Public records
State license
- Licensed general contractor (Building) #106965 · SEL Engineering Services, Inc. · valid until Dec 31, 2026
Source: NC Licensing Board for General Contractors, as of Nov 3, 2026
Matched to this business from government records by phone, website, name, and address. Spot something wrong? Claim this listing and we'll fix it.
Contact & Location
- Address
- 901 Center Park Dr, Charlotte, NC 28217
- Phone
- 5093321890
- Website
- https://selinc.com/
- info@selinc.com
Services
- engineering services
- technical support
- customer service