LYLES MECHANICAL CO. has operated its Corporate Headquarters in Fresno, California for over 45+ years out of the company's 60+ year history.

The Fresno General Office conducts all administrative duties for the company such as Project Bid Documents, Bonding, Contract and Subcontract Administration, Worker's Compensation, Licensing, Company and Project Insurance, Vehicle Registration, Credit Applications, Pre-Qualification statements and through the Construction Accounting Group of Lyles Diversified Inc., all payroll and accounting operations.