## Construction_Companies

id | company_name | address
--- | --- | ---
1 | Company A | 123 Main St
2 | Company B | 456 Elm St
3 | Company C | 789 Oak St
4 | Company D | 001 Pine St
5 | Company E | 999 Maple Ave

## Building_Roles

role_id | role_value
--- | ---
1 | Site Supervisor
2 | Project Manager
3 | Estimator
4 | Foreman
5 | Laborer

## Construction_Companies_Building_Roles

construction_company_id | building_role_id
--- | ---
(→ Construction_Companies.id) | (→ Building_Roles.role_id)
1 | 1
2 | 1
3 | 1
4 | 1
5 | 1
5 | 4