The following qualifications apply for the Safety Diamond Club Award:
- 100+ Employees – 1,000,000 Work-hours
- 61-99 Employees – 650,000 Work-hours or 5 years
- 31-60 Employees – 450,000 Work-hours or 5 years
- 10-30 Employees – 250,000 Work-hours or 5 years
Safety Diamond Club Award Winners
2023
- Acterra Group, LLC in Marion, Iowa
- Custom Piping Systems, LLC in San Antonio
- Genesis Environmental Solutions, Inc. in Blue Springs, Missouri
- Mass Tank in Middleboro, Massachusetts
- Tank Industry Consultants, Inc. in Indianapolis
2022
- CB&I Americas Ltd in Houston
- Custom Piping Systems in San Antonio
- Genesis Environmental Solutions, Inc. in Blue Springs, Missouri
- Mass Tank in Middleboro, Massachusetts
- Tank Industry Consultants, Inc. in Indianapolis
2021
- CB&I Americas Ltd. in Houston, Texas
- Corrpro Companies – Medina Waterworks in Medina, Ohio
- Corrpro Companies – Phoenix Waterworks in Phoenix, Arizona
2020
- Caldwell Civil Department
- Caldwell Industrial Field Crews
- CB&I Storage Tank Solutions LLC
- CB&I Americas Ltd.
- Corrpro Companies – Medina
- Corrpro Companies – Atlanta Waterworks
- Corrpro Companies – Tempe Waterworks
- Mass Tank
2019
- Brighton Tru-Edge
- Corrpro Companies – Atlanta Waterworks
- Corrpro Companies – Medina Waterworks
- Corrpro Companies – Tempe Waterworks
2018
- AGI Westeel
- Mass Tank
- Tarsco Construction Corporation