Tightline Construction, Inc. | Div 9 Finishes | BioTech | Div 1 General Requirements | Div 10 Specialties | Div 3 Concrete | Div 6 Wood and Plastics | Div 7 Thermal and Moisture Protection | Div 8 Doors and Windows | Government Military | Health Care | Higher Education | Historic Preservation/Restoration | Hotels | Housing Residential | Industrial | Institutional | Laboratories Research Clean Rooms | Parking Structures | Public Work | Religious | Restaurants Retail | Sports Facilities Convention Centers | Subcontractor | Telecommunications | Tenant Fit-outs | Transportation Airports | Waste Disposal