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PRODUCTS PROFILE ADD DATA

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Rank Company
name
address
website
Employees
L.A. County (environmental services)
company total
Revenue (in millions) Environmental Services Offered
(partial list)
Profile
headquarters
offices (L.A./total)
year founded
Top Local Executive
name
title
phone
L.A.
2023
2022
Total
2023
2022
1
Tetra Tech Inc.
3475 E. Foothill Blvd.
Pasadena 91107; tetratech.com
587
28,000
NA $4,523
$3,504
design, consulting, studies, remediation, renewable energy, sustainable infrastructure, solid waste, coastal engineering, water treatment/supply Pasadena
5 / 550
1966
Dan Batrack
CEO, Chair
(626) 351-4664
2
Kimley-Horn and Associates Inc.
660 S. Figueroa St., Suite 2050
Los Angeles 90017; www.kimley-horn.com
3471
7,400
NA 2,442
2,035
CEQA/NEPA, initial studies, impact reports, assessments, agency permit processing, planning, outreach programs Raleigh, N.C.
2 / 127
1967
Jason Matson
Senior VP
(213) 261-4040
3
Psomas
865 S. Figueroa St., Suite 3200
Los Angeles 90017; psomas.com
3001
NA
NA NA
1331
CEQA/NEPA documents, air quality/noise, cultural/tribal resources, biological, regulatory permitting, habitat restoration Los Angeles
4 / 18
1946
Alysen Weiland
VP, Los Angeles Regional Office Manager
(213) 223-1400
Researched by Deepanjali Batra