CAL Engineering & Geology, Inc.

Walnut Creek, CA Part of Haley & Aldrich, Inc.

Company facts

FY2025 rankings: Its parent company, Haley & Aldrich, Inc., ranks #35 in PSC C213
Self-certified in SAM.gov: Self Certified Small Disadvantaged Business

For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 541330 Engineering Services

541618 Other Management Consulting Services

541620 Environmental Consulting Services
Corporate family: Haley & Aldrich, Inc. Parent Burlington, MA J7H1MTJZVMW5

CAL Engineering & Geology, Inc.
SAM.gov registration date: Jan 23, 2006
Physical address: 201 N Civic Dr #220, Walnut Creek, CA 94596, USA
Website: haleyaldrich.com
Founded: 1957
Employees: 251-1K
Estimated annual revenue: $100M-$250M
Industry: Industrials

Capital Goods

Construction & Engineering

Civil Engineering
SIC code: 87 Engineering & Management Services
Profiles: LinkedIn

X

Facebook

Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated May 11, 2026.

Vendor	Location	Primary NAICS
Down To Earth Consulting, LLC UEI MEC6JDS4MYN1	Watertown, CT	541330 Engineering Services
Gerhart Cole Inc. UEI HJBTV3BYL1F9	Midvale, UT	541330 Engineering Services
Driggers Engineering Services, Inc. UEI WL8RDYHXGQZ6	Clearwater, FL	541330 Engineering Services
DAE & Associates, LTD. UEI CZLTR4J1YEZ3	Humble, TX	541330 Engineering Services
STL Engineers UEI PJ9JDCJZ3MF3	Dallas, TX	541330 Engineering Services

From the vendor's SBA profile

Geotechnical Engineering Firm

Yes. CAL Engineering & Geology, Inc.'s SAM.gov registration is active through April 29, 2027.

CAL Engineering & Geology, Inc.'s parent company, Haley & Aldrich, Inc., ranked #35 in PSC C213 in FY2025.

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