| neii.org | National Elevator Industry, Inc. |
| naesai.org | National Association of Elevator Safety Authority International |
| leia.co.uk | Lift and Escalator Industry Association |
| eesf.org | The Elevator Escalator Safety Foundation |
| eea-eeig.org | European Elevator Association |
| naec.org | National Association of Elevator Contractors |
| mca.org | Mechanical Contractors Association of Chicago |
| idsachicago.org | Industrial Designers Society of America (ISDA) Chicago |
| crca.org | Chicago Roofing Contractors Association |
| bagc.com | Builders Association of Greater Chicago |
United States , Texas , San Antonio