Do the terms contractors and subcontractors exclude architects, engineers, etc., who do not have any on-site employees?Contractors and subcontractors, as defined in the statute, only include businesses that employ on-site employees. If a contractor or subcontractor does not employ on-site employees, then that contractor and/or subcontractor is not subject to the Construction Safety Training Act. If an architect, engineer, etc., does not employ any on-site employees, the architect, engineer, e...| labor.mo.gov