CalPortland Company is proud to announce it has achieved Wildlife Habitat Council (WHC) Conservation Certification, powered by Tandem Global, for its conservation programs at the El Segundo Ready Mix Plant and the Crestmore Center for Technical Excellence, integrating Landscaped Habitat and Awareness & Community Engagement projects.
The El Segundo Ready Mix Plant program earned Certified Gold, the highest level of recognition, distinguishing it among more than 600 WHC Conservation Certification programs worldwide. This distinction reflects the site’s strong commitment to habitat stewardship, employee engagement, and conservation education.
In addition, the Crestmore Center for Technical Excellence achieved WHC Conservation Silver Certification for its California native plant garden, further demonstrating CalPortland’s leadership in advancing environmental stewardship across its operations.
At both sites, pollinator-friendly landscapes planted with California native species provide essential habitat while enhancing biodiversity in highly developed areas. Employee involvement and community education further strengthen environmental awareness and long-term stewardship.
“The El Segundo Ready Mix Plant and Crestmore Center for Technical Excellence are recognized as meeting the strict requirements of WHC Conservation Certification,” said Margaret O’Gorman, Chief Executive Officer, Tandem Global. “Companies achieving WHC Certification, like CalPortland, are environmental leaders, voluntarily managing their lands to support sustainable ecosystems and the communities that surround them.”
“The WHC Conservation Certification reflects CalPortland’s ongoing commitment to environmental stewardship,” said Allen Hamblen, Chief Executive Officer, CalPortland. “Thanks to the dedication of our employees, we are able to pursue long-term goals that protect the environment while contributing to stronger, more resilient communities.”

