Archived - Standard Industrial Classification - Establishments (SIC-E) 1980
- 42 - Trade Contracting Industries
- 421 - Site Work
- 4211 - Wrecking and Demolition
- 4212 - Water Well Drilling
- 4213 - Septic System Installation
- 4214 - Excavating and Grading
- 4215 - Equipment Rental (With Operator)
- 4216 - Asphalt Paving
- 4217 - Fencing Installation
- 4219 - Other Site Work
- 422 - Structural and Related Work
- 4221 - Piledriving Work
- 4222 - Form Work
- 4223 - Steel Reinforcing
- 4224 - Concrete Pouring and Finishing
- 4225 - Precast Concrete Installation
- 4226 - Rough and Framing Carpentry
- 4227 - Structural Steel Erection
- 4229 - Other Structural and Related Work
- 423 - Exterior Close-In Work
- 4231 - Masonry Work
- 4232 - Siding Work
- 4233 - Glass and Glazing Work
- 4234 - Insulation Work
- 4235 - Roof Shingling
- 4236 - Sheet Metal and Built-Up Roofing
- 4239 - Other Exterior Close-In Work
- 424 - Plumbing, Heating and Air Conditioning, MechanicalWork
- 4241 - Plumbing
- 4242 - Dry Heating and Gas Piping Work
- 4243 - Wet Heating and Air Conditioning Work
- 4244 - Sheet Metal and Other Duct Work
- 425 - Mechanical Specialty Work
- 4251 - Process Piping Work
- 4252 - Automatic Sprinkler System Installation
- 4253 - Commercial Refrigeration Work
- 4254 - Environmental Control Work
- 4255 - Millwright and Rigging Work
- 4256 - Thermal Insulation Work
- 4259 - Other Mechanical Specialty Work
- 426 - Electrical Work
- 4261 - Electrical Work
- 427 - Interior and Finishing Work
- 4271 - Plastering and Stucco Work
- 4272 - Drywall Work
- 4273 - Acoustical Work
- 4274 - Finish Carpentry
- 4275 - Painting and Decorating Work
- 4276 - Terrazzo and Tile Work
- 4277 - Hardwood Flooring Installation
- 4278 - Resilient Flooring and Carpet Work
- 4279 - Other Interior and Finishing Work
- 429 - Other Trade Work
- 4291 - Elevator and Escalator Installation
- 4292 - Ornamental and Miscellaneous Fabricated MetalInstallation
- 4293 - Residential Swimming Pool Installation
- 4299 - Other Trade Work n.e.c.
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