Home
Safety
| Our Culture
| Sustainability
- Environment
- Social
- Governance
- Carbon Reduction
- Goals
- Blog
- Policies
| Family Of Companies
- Our Operating Companies
- Our Locations
| What We Do
- Aggregates
- Cement
- Ready Mix
- Asphalt
- Services
| Investor Relations
Contact Us

NYSE: SUM | Stock Price:↓34.91
Market Cap ($M) | 4.17B

Careers
Investor Relations
Employee Portal
EN login
Ethics Hotline

January 1, 1954 - Hamm is founded

Recent Posts

Roadmap to Carbon Neutrality: Summit joins industrywide sustainability plan
Water works: Summit project reduces thousands of plastic bottles
How strong corporate values drive successful sustainability initiatives
Water conservation in the building materials industry
How building materials companies can reduce carbon emissions

Recent Comments

Archives

July 2022
June 2022
May 2022
August 2018
July 2018
June 2018
May 2018
April 2018
March 2018
February 2018
January 2018

Categories

Employees
Environment
News
Sustainability
Uncategorized

Meta

Log in
Entries feed
Comments feed
WordPress.org

1954

Hamm is founded by the Hamm family in 1954, and is still run by Gary Hamm.

Next article

Previous article

© Summit Materials 2023
All Rights Reserved.
Privacy Policy

Summit Materials

1801 California St, Ste. 3500
Denver, CO 80202

(P) 303-893-0012
(F) 303-893-6993

Safety
Our Culture
Sustainability
Family of Companies
What We Do
Investor Relations
Suppliers
Contact Us
Employee Portal Employee Portal
Ethics Hotline Ethics Hotline
Careers Careers