SEMCO Construction, Inc. was founded in January of 1975 by Carl E. Locke, Sr. The company is a State of Florida Certified General Contractor and a State of Florida Certified Roofing Contractor. Our current aggregate bonding capacity is $17 million. We have completed over 7,000 projects in both the private and public sectors in our 36 year history and maintain approximately 75 full and part-time employees.