Qualifications
Our Licenses
C40007 2015
Professional Engineer
State of California - Darren G. Williams, PE
61926 2017
Professional Engineer
State of California - Stephen P. Plauson, PE, GE
2731 2017
Geotechnical Engineer
State of California - Stephen P. Plauson, PE, GE
767888 2017
Drilling Contractor
California Contractors State License Board - Darren G. Williams, PE
Prof. Engr. C40007
2731
61926
767888
C40007
2731
Geotechnical Engineer
61926
Professional Engineer
767888
Drilling Contractor
C40007
Professional Engineer
Our Certifications
Certification
ACI (American Concrete Institute) - American Concrete Institute Illinois
Certified Small Business 11938 2014
State of California - Darren G. Williams, PE
