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Worker Taxonomy: Trades, Skill Groups and Skills
Worker Taxonomy: Trades, Skill Groups and Skills

Learn about Skillit's data structure for categorizing workers and skills.

Nicole Kaes avatar
Written by Nicole Kaes
Updated over a week ago

Skillit's skills taxonomy is the data structure that powers worker classification at a more granular level and in a more extensible way than ever before possible.

Our taxonomy has 3 core components:

  1. Trades

  2. Skill Groups

  3. Skills

1. Trades

Trades are traditional labels applied to skilled construction workers by construction staffing professionals and others in the industry.

Skillit onboards workers across all of the following Trades, but at present actively supports only those indicated by a ✅ below. Although workers from ALL Trades can be found on Skillit, we only bring specific trades online in specific areas for employers when we have a minimum number of workers and threshhold of skill to satisfy demand. The good news is that we're adding workers all the time, so if you're interested in workers we don't yet have, we probably will soon!


Currently Supported by Skillit

(as of 1/25/24)



Concrete Worker

Construction Manager - Superintendent

Crane Operator - Mobile

Crane Operator - Tower

Drywall / Ceiling Tile Installer


Floor Layer / Tile and Marble Setter

General Labor


Heavy Equipment Mechanic

Heavy Equipment Operator - Loading / Excavating

Heavy Equipment Operator - Paving / Surfacing

Heavy Equipment Operator - Pile Driver

HVAC Installer / Technician





Mitigation Tech

Painter / Paperhanger






Sheet Metal Worker

Solar Installer / Technician



Truck Driver


Wind Turbine Technician

2. Skill Groups

Skill Groups are just that - groupings of Skills more broad than traditional Trade labels. The intent behind Skill Groups is to make the multitude of available Skills easier to navigate.

3. Skills

Skills are the individual pieces that make up Trades and Skill Groups. They are meant to be mutually exclusive, and as we expand our data set over time, collectively exhaustive as well.

4. Skillit's Taxonomy In Practice: Skills-First Construction Staffing

In the example below , Oxyfuel Cutting is a specific Skill within the Welding Skill Group applied to the Welder Trade. However, workers who identify as other trades like Pipefitters or Millwrights may also possess the same Skill. A worker viewed skills-first rather than trade-first can potentially fill many more jobs with traditional Trade labels than they otherwise might.

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