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MARCH 1, 2021 LOS ANGELES BUSINESS JOURNAL 19

THE LIST Ranked by number of employees in L.A. CountyENVIRONMENTAL ENGINEERING & CONSULTING FIRMS

Continued on page 20

Revenue (inmillions)

Rank Company• name

• address

• website

Employees• L.A. County

(environmental services)

• company total L.A.• 2020

• 2019

Total• 2020

• 2019

Environmental Services Offered(partial list)

Profile• headquarters

• offices (L.A./total)

• year founded

Top Local Executive• name

• title

• phone

1Tetra Tech Inc.3475 E. Foothill Blvd.Pasadena 91107; tetratech.com

54820,000

NA $3,000$3,107

design, consulting, studies, remediation, renewableenergy, sustainable infrastructure, solid waste,coastal engineering, water treatment/supply

Pasadena5 / 4501966

Dan BatrackCEO, Chairman(626) 351-4664

2Stantec801 S. Figueroa St., Suite 300Los Angeles 90017; stantec.com

20322,000

8481.7

NA3,639

site assessment and remediation, permitting andcompliance, regulatory liaison, monitoring andmanagement

Edmonton, Alberta3 / 3501954

Simon BluestoneVP, Pacific RegionEnvironmental SectorLeader(213) 955-9775

3SCS Engineers3900 Kilroy Airport Way, Suite 100Long Beach 90806; scsengineers.com

171922

23.125.9

252239

solid and hazardous waste management; landfillgas; site remediation; renewable energy; regulatorycompliance for air, water, and soil, biogas,anaerobic digestion

Long Beach5 / 721970

Michelle LeonardSVP(562) 426-9544

4Partner Engineering and Science Inc.2154 Torrance Blvd.Torrance 90501; partneresi.com

1651,022

NA 178179

environmental consulting, site assessments (PhaseI, Phase II, Phase III), subsurface testing,remediation, compliance, industrial hygiene, health& safety

Torrance3 / 392007

Joseph DerhakeCEO(800) 419-4923

5AECOM300 S. Grand Ave.Los Angeles 90071; aecom.com

1501

47,000231.7185.3

13,20020,200

environmental investigations, remedial design andconstruction, permitting, natural resources,operations and maintenance, planning andcompliance

Los Angeles3 / NA1990

Troy RuddCEO(213) 593-8000

6Arcadis445 S. Figueroa St., Suite 3650Los Angeles 90071; arcadis.com

14828,000

18.216.6

3,5003,800

risk assessments and remediation, monitoring,ecological assessments, remedial investigations,feasibility studies

Amsterdam1 / 3501888

Macaria FloresCity Executive, Los Angeles(213) 486-9884

7SWCA Environmental Consultants51 W. Dayton St.Pasadena 91105; swca.com

1351,136

26.120.6

154149

CEQA and NEPA compliance consulting; natural,cultural and paleontological resource managementservices

Phoenix1 / 372005

John DietlerVP, Southern California(626) 240-0587

8Ramboll US Corp.350 S. Grand Ave., Suite 2800Los Angeles 90071; ramboll.com

87NA

NA 213221

air and water quality, regulatory compliance, siteassessment, hazardous waste management,remediation

Arlington, Va.1 / 1301982

Eddie ArslanianPrincipal, OperationsDirector(213) 943-6300

9Environmental Science Associates626 Wilshire Blvd., Suite 1100Los Angeles 90017; esassoc.com

861

NANA

14.3NA

100project planning and feasibility, federal and stateenvironmental compliance, regulatory permittingand compliance

San Francisco3 / 191969

Ruta ThomasSVP, SoCal RegionalDirector(213) 599-4300

10EFI Global Inc.5261 W. Imperial HighwayLos Angeles 90045; efiglobal.com

801

NANA NA Phase I and II environmental site assessment,

remediation, industrial hygiene, health and safety,indoor air quality, asbestos/lead/mold testing, PFAStesting, methane testing

Tampa, Fla.1 / NA1971

Matthew RoddaVP(310) 854-6300

11Dudek38 N. Marengo Ave.Pasadena 91101; dudek.com

75695

10.79.6

10593

water/wastewater, energy, transportation,development, health care, education, municipal

Encinitas1 / 161980

Eric WilsonEnvironmental ServicesLeader(626) 204-9800

12Wood6001 Rickenbacker RoadLos Angeles 90040; woodplc.com

7149,000

25.226

1,2001,300

assessment, remediation, hazardous/toxicmaterials, sediments, terrestrial ecology, aquaticecology, wetlands

Aberdeen,Scotland2 / 4021912

Bruce CorkleVP, Los Angeles BasinManager(323) 889-5300

13Kimley-Horn and Associates Inc.660 S. Figueroa St., Suite 2050Los Angeles 90017; kimley-horn.com

694,557

NA 1,227917

CEQA/NEPA, initial studies, impact reports,assessments, agency permit processing, planning,outreach programs

Raleigh, N.C.1 / 951967

Jason MatsonSVP(213) 261-4040

14Mott MacDonald1000 Wilshire Blvd., Suite 400Los Angeles 90017;mottmacamericas.com

672,216

18.616.2

594581

coastal, water, wastewater, remediation(groundwater, soil, asbestos, lead), power, oil andgas

Iselin, N.J.1 / 641972

Tony PurdonEVP(818) 506-8088

15Jacobs Engineering Group Inc.1000 Wilshire Blvd., Suite 2100Los Angeles 90017; jacobs.com

601

NANA NA

12,738architecture, engineering and construction,operations and maintenance, scientific and specialtyconsulting

Dallas2 / 2711946

Steven DemetriouCEO(213) 538-1388

1 Business Journal estimate.NA - Not Available N/A - Not Applicable Note: Information on this list was provided by the companies. Companies areranked by the number of L.A. County employees involved in environmental engineering/consulting services. To the bestof our knowledge, this information is accurate as of press time. While every effort is made to ensure the accuracy and

thoroughness of the list, omissions and typographical errors sometimes occur. Please send corrections or additions oncompany letterhead to the Research Department, Los Angeles Business Journal, 11150 Santa Monica Blvd., Suite 350,Los Angeles 90025. ©2021 Los Angeles Business Journal. This list may not be reprinted in whole or in part withoutprior written permission from the editor. Reprints are available from Wright’s Media (877) 652-5295.

Researched by Joshua Niv

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20 LOS ANGELES BUSINESS JOURNAL THE LIST MARCH 1, 2021

JOHNSON FAIN recognizes the following individuals for their leadership, accomplishments and commitment to the progressive values of the firm. Amber Langlois has been promoted to Principal; John Gralewski, Associate Principal; Corey Pope, Senior Designer; and Adrinee Bodakian, Intermediate Designer. JOHNSON FAIN, an international architecture, urban design + planning and interior design firm based in downtown Los Angeles, is well-known for the design of a diverse range of project types. Current Los Angeles area projects include: a 42-story residential tower under construction at Eighth & Figueroa in Downtown; a multi-family residential project under construction at 6733 S. Sepulveda Blvd. in Westchester; Citrus Commons mixed-use residential project which includes a renovation of the Sunkist Headquarters

building in Sherman Oaks; and the firm recently completed master plans for the Lundquist Institute biotech campus in Carson and Westfield Promenade 2035, a 35-acre multi-use project in Woodland Hills.

ARCHITECTURE

Langlois

Gralewski

Continued from page 19ENVIRONMENTAL ENGINEERING & CONSULTING FIRMSRevenue (in

millions)Rank Company

• name

• address

• website




• 2019

Total• 2020

• 2019




• year founded


• title

• phone

16Ship & Shore Environmental Inc.2474 N. Palm DriveSignal Hill 90755; shipandshore.com

5465

$0.8$0.8

$19$20

industrial air pollution control, heat and energyrecovery systems, soil vapor extraction systems,scrubbers, remediation systems, thermal oxidizers

Signal Hill1 / 42000

Anoosheh OskouianCEO, President(562) 997-0233

17Terra-Petra Environmental Engineering700 S. Flower St., Suite 2580Los Angeles 90017; terra-petra.com

52NA

NA NA site remediation, vapor intrusion mitigation design(Phase I and II), soil management, oil wellconsulting, CQA/CQC inspections and waterproofingconsulting (design, consult, forensic)

Los Angeles1 / 52002

Kevin BuchananPresident(213) 458-0494

18ICF International Inc.811 W. 7th St., Suite 800Los Angeles 90017; icfi.com

511

NANA

11.5NA

114environmental and transportation planning, historicarchitecture and archaeology, resourcesmanagement

Fairfax, Va.1 / NA1969

Tony DeJulioVP(213) 627-5376

Geosyntec Consultants Inc.448 S. Hill St., Suite 1008Los Angeles 90013; geosyntec.com

511,500

NA7

NA358

contaminated site assessment and cleanup,planning and management, building healthevaluations, rehabilitation

Boca Raton, Fla.4 / 801983

Ken SusiloVP(310) 957-6100

20Citadel EHS1725 Victory Blvd.Glendale 91201; citadelehs.com

501

NANA NA Phase I/II, asbestos/lead/mold inspections and

mitigation, design/oversight, industrial hygiene,water loss

Glendale3 / 51993

Loren WitkinCEO(818) 246-2707

21Rincon Consultants Inc.250 E. 1st St., Suite 1400Los Angeles 90012;rinconconsultants.com

46332

10.19.5

4740

environmental sciences and land use planning,biological resources, site assessment andremediation, water resources, sustainabilityservices, cultural resources

Ventura1 / 131994

John DreherCEO, President(213) 788-4842





MARCH 1, 2021 THE LIST LOS ANGELES BUSINESS JOURNAL 21

Continued on page 22

ENVIRONMENTAL ENGINEERING & CONSULTING FIRMSRevenue (in

millions)Rank Company

• name

• address

• website




• 2019

Total• 2020

• 2019




• year founded


• title

• phone

22Partner Energy Inc.680 Knox St., Suite 150Los Angeles 90502; ptrenergy.com

4355

NA $9$10

commissioning, green certification and design,sustainability consulting, benchmarking, energyaudits, energy modeling, retro-commissioning


Tony LiouPresident(888) 826-1216

23Lee & Ro Inc.1199 S. Fullerton RoadCity of Industry 91748; lee-ro.com

401NA

NA 91101

municipal water and wastewater, infrastructureengineering, construction management

City of Industry1 / 41979

Dhiru PatelCEO(626) 912-3391

24Alta Environmental Inc., an NV5Company3777 Long Beach Blvd., Annex BuildingLong Beach 90807; altaenviron.com

351NA

NA10

NA regulatory compliance, air and water quality, siteassessment and remediation, building sciences,occupational safety

Long Beach1 / NA1997

Lisa KayPresident(562) 495-5777

25Sapphos Environmental Inc.430 N. Halstead St.Pasadena 91107;sapphosenvironmental.com

301NA

NA 515

planning, resource management, compliance(CEQA/NEPA), construction monitoring, GIS

Pasadena1 / 11992

Marie CampbellPresident(626) 683-3547

26AEI Consultants Inc.2207 W. 190th St.Torrance 90504; aeiconsultants.com

281NA

NA9

NA76

environmental and engineering due diligence, siteinvestigation and remediation, constructionconsulting

Walnut Creek1 / 221992

Adam BennettVP, Due Diligence(310) 798-4255

27Environmental Intelligence177 E. Colorado Blvd., Second FloorPasadena 91105; enviro-intel.com

2572

4.33.9

1716

natural resource consulting (biology, archaeology,permitting, waters/wetlands, restoration, CEQA/NEPA, vegetation management)

Laguna Beach2 / 62010

David LevineCEO, Principal(949) 497-0931

28ATC Group Services1180 Durfee Ave., Suite 125South El Monte 91733;atcgroupservices.com

203,094

2.53.6

205257

hazardous materials management, industrialhygiene/mold/indoor air quality, safety andcompliance, Phase I and II environmental siteassessments, remediation

Lafayette, La.1 / 1001982

Dawn MerrillBranch Manager(323) 517-9780




Tetra Tech provides high-end solutions by Leading with Science® to deliver essential water and environmental services to help maintain and enhance the quality of life worldwide.

tetratech.com |

Tt_LA_Business_Journal_ad-2021.indd 1Tt_LA_Business_Journal_ad-2021.indd 1 2/18/2021 2:44:54 PM2/18/2021 2:44:54 PM


22 LOS ANGELES BUSINESS JOURNAL THE LIST MARCH 1, 2021

Revenue (inmillions)

Rank Company• name

• address

• website




• 2019

Total• 2020

• 2019




• year founded


• title

• phone

29Davenport Engineering Inc.23705 Crenshaw Blvd., Suite 101Torrance 90505; davenport-co.com

1822

NA NA regulatory compliance, emissions inventory,permitting, greenhouse gases, health riskassessment, auditing, low carbon fuel standards

Torrance1 / 21997

Neal DavenportPrincipal Engineer(310) 787-4600

30Psomas555 S. Flower St., Suite 4300Los Angeles 90071; psomas.com

161NA

NA5.5

NA116

CEQA/NEPA documents, air quality/noise, cultural/tribal resources, biological, regulatory permitting,habitat restoration


Jim HunterVP, Director ofEnvironmental Planningand Resource Management(213) 223-1400

31Woodard & Curran888 S. Figueroa St., Suite 1700Los Angeles 90017; woodardcurran.com

151NA

NA NA water resources planning, engineering, automation,and operations; environmental compliance andremediation

Portland, Maine1 / 281979

Persephene St. CharlesNational Practice Leader(213) 223-9460

32Burns & McDonnell617 W. 7th St., Suite 202Los Angeles 90017; burnsmcd.com

87,353

7.85.1

3,7054,100

site remediation, assessment, impact studies,groundwater monitoring, regulatory compliance,permitting, air quality, sustainability consulting,facility decommissioning

Kansas City, Mo.1 / 551995

Rashmi MenonVP & General Manager,California(626) 817-7900

Orswell & Kasman Inc.316 W. Foothill Blvd.Monrovia 91016; orswell-kasman.com

81NA

NA NA Phase I, transaction screen reports, recordsresearch reports, asbestos surveys, environmentalinvestigations

Monrovia1 / 11990

Marty KasmanPresident(626) 932-1800

Impact Sciences Inc.811 W. 7th St., Suite 200Los Angeles 90017; impactsciences.com

810

NA NA CEQA/NEPA compliance; air quality, noise, andgreenhouse gas emissions technical services;sustainability; advisory services


Jessica Kirchner FloresCEO, President(213) 935-1901

35Climate Resolve525 S. Hewitt St.Los Angeles 90013; climateresolve.org

720

1.62

22

energy efficiency, water conservation, solar energy,zero net energy, zero net carbon emissionsprograms


Jonathan ParfreyExecutive Director(213) 634-3790




Continued from page 21ENVIRONMENTAL ENGINEERING & CONSULTING FIRMS

SRK Architects, Inc. is pleased to announce that Jamilah Haygood has been promoted to Senior Associate, Project Manager. She previously served as a Project Architect and expeditor with SRK, specializing in managing complex projects through multilevel local, state and federal jurisdictions. With

extensive design and construction experience, Jamilah leads some of the firm’s most prestigious projects including an adaptive re-use project for The California Community Foundation in downtown Los Angeles.

With a focus to sift through the myriad of regulatory constraints inherent to modern mixed use projects, she enables clients to achieve intended project goals through persistent application of her skills. Roundly acclaimed across a broad spectrum of project types, she understands regulatory trends to keep SRK with up-to-date knowledge of the design and construction industry.

A California registered architect since 2007, Jamilah co-founded Machine Inspired Art (MIA), and is active in The Crimson Society, a non-profit organization addressing homelessness in Los Angeles. Jamilah graduated from Yale University with a Bachelor of Arts degree in 1996 and earned a Master of Architecture from UCLA in 1999.

ARCHITECTURE

Haygood

ON THE MOVE PEOPLE & COMPANIESCustom Content

Charles Chiparo, LEED AP, was recently promoted to Southern California Vice President of Operations at Webcor. Charles joined the general contractor in 2016 with a focus on projects and pursuits in Northern California. Although Southern California is his new territory, he remains focused on the Bay Area life sciences sector as well. His diverse resume

demonstrates vast experience with hospitality, community college, federal/military, convention center, aviation, gaming, office, justice, life science, and high-rise residential buildings. His notable projects include the Moscone Convention Center Expansion in San Francisco, Genesis Marina life science office/lab in Brisbane, 960 West 7th St. and Hollywood Park Retail in Los Angeles. Additionally, Charles is a passionate leader of Webcor’s philanthropic efforts and internal Employee Experience program.

Last month, Sam Khatibi was promoted to Senior Preconstruction Director at Webcor to oversee preconstruction/estimating for the general contractor’s Southern California region. Sam has built an impressive resume of high-profile Los Angeles projects as Preconstruction Director, including Metropolis Phase 1 &

Phase 2, Living on Vine, Columbia Square Residential Tower, 960 W. 7th Street, and IMAX West Coast Headquarters. He spent the first 12 years of his career primarily working in the public works sector focusing on pursuits in education and site improvements. Since joining Webcor in 2013, he’s expanded his expertise to residential, commercial, mixed-use, federal, and hospitality.

CONSTRUCTION

Chiparo Khatibi

To place your announcement online, visit: http://labusinessjournal.com/companies-on-the-move-ratesheet/

For more information, contact:Rosz Murray • 323.549.5225 x215 • [email protected]


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