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About Us

Keystone Constructors, Inc., headquartered in Gaffney, South Carolina with forty thousand square feet of shops and offices, is an industrial contractor specializing in process mechanical and electrical installations. Providing construction services throughout the southeast, we carry unlimited construction license from the South Carolina Department of Labor, Licensing and Regulation in the following types and classifications:

Keystone Constructors, Inc

License number: 105389
License type: Mechanical Contractor
Classification: AC5 EL5 PB5 1P5 2P5

License number: 106934
License type: General Contractor
Classification: BD5

In addition, we maintain the following unlimited license types for the state of North Carolina;

General Contractor License Number: 52546
Electrical Contractor License Number: 20785-U
Mechanical Contractor License Number: 28499

Keystone Constructors also maintains licenses in Virginia, Tennessee, Georgia and Louisana and retains Certificates of Authority to do business in the states of Texas, Oklahoma and Arkansas.

Keystone Constructors, Inc

Keystone provides a full service company of conscientiousness professionals who serve our customers with construction applications to meet or exceed their expectations. We provide the attention to detail in order to create value for our customers by constructing cost efficient projects, which converge with or surpass customer anticipation for quality, schedule and performance. Our business focus is on the mechanical and electrical construction, upgrades and maintenance of companies that utilize heavy mechanical process applications. Industries served include chemical, automotive, food, textile, power, pharmaceutical and industries with process application needs.

Our Mission

To create value for our customers by providing equal or greater services at a more competitive price tag.

Our goal is to create value for our clients by constructing cost efficient projects that meet or exceed expectations for quality, schedule and performance. Give us a call today at 864-488-2505 and let us show you how we can use our skill sets to benefit your projects and organization.

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