NAICS 541620 · California

Certified Women-Owned Environmental Consulting Services in California

29 certified women-owned vendors in California under NAICS 541620 (Environmental Consulting Services), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search.

29 certified vendors · ranked by certification recency & profile depth

01CNM ENGINEERING LLC

Engineering & Architecture · San Jose, California
WOSBEDWOSB

CNM Engineering provides professional civil engineering design and consulting services for residential and small commercial projects throughout California. Our services include grading and drainage plans, stormwater compliance, roadway and utility improvements, site development, permit processing, ADA improvements, and Accessory Dwelling Unit (ADU) design support. We work closely with homeowners, contractors, and public agencies to deliver practical, cost-effective engineering solutions that meet local building and municipal standards.

02ADVANTECH GS ENTERPRISES, INC.

Engineering & Architecture · La Jolla, California
WOSBEDWOSBHUBZone

Engineering, program & construction management, environmental, inspection, business management, life cycle analysis, acquisition. Knowledge management platforms,cyberwarfare analysis. Founded by a retired RADM & another former Naval officer.

03WATERGATE ENVIRONMENTAL TECHNOLOGIES, LLC

Engineering & Architecture · San Clemente, California
WOSB

Watergate Environmental Technologies, LLC (WET) is an SBA certified Economically Disadvantaged Women Owned Small Business (EDWOSB). WET in an engineering consulting, design, and project management firm that develops energy and cost saving solutions for water, wastewater and energy intensive processes. WET has extensive experience in water and energy conservation efforts in projects ranging from wastewater treatment solutions, pasteurization technology, and co-generation systems.

04ESTRAT SOLUTIONS LLC

Research & Scientific Services · Goleta, California
WOSBEDWOSB

We are a strategic learning firm based on the California Central Coast, bound by the fundamental belief that community advocacy coupled with capacity-building support can profoundly influence social justice and transformative change. Furthermore, elucidating the meaning of individuals' stories and data can enhance their well-being and expedite the pursuit of social justice by amplifying the work of organizations led by underrepresented groups. • Experience in health equity, environment, and social justice initiatives • Disaster relief and recovery strategies • Ability to work with cross-disciplinary teams • Strong communication skills, translating complex technical matters for various audiences • Trained development project manager with a focus on program evaluation • Experience building an evaluation, research, and policy team • Transitioning legacy initiatives • Designing and implementing new projects • Experience managing domestic and international projects

08SEQUOIA ECOLOGICAL CONSULTING, INC.

Environmental & Waste Services · Walnut Creek, California
WOSB

Founded in 2011, Sequoia is a California-based, woman-owned, small, and disadvantaged business that provides environmental consulting services to public agencies and private clients statewide. As a focused biological specialty firm, Sequoia brings proven experience working with government agencies to establish environmental compliance requirements, minimize compliance issues, meet all regulatory requirements, and facilitate successful projects. We have consulted extensively with state and federal agencies to establish and implement environmental compliance measures, and we provide permit support, field studies, document reviews, monitoring, and reporting that help our clients to minimize project impacts to sensitive habitats and biological resources.

10T3W BUSINESS SOLUTIONS, INC.

Professional & Management Consulting · San Diego, California
WOSB

Engineering, application development (multiplatform), Geographic Information Systems (GIS), database design, training, GPS surveying, space management/movement and capital asset management, AutoCAD, program/project management; financial.

12YES ENVIRONMENTAL, INC.

Environmental & Waste Services · Bakersfield, California
WOSB

YES Environmental, Inc. is a woman-owned environmental consulting firm specializing in hazardous materials environmental compliance, inspections, mitigation plans, and indoor air quality reports for government and commercial clients. Founded in 2017, the company supports public agencies, contractors, and property owners by delivering practical, regulation-driven environmental solutions that reduce liability, ensure compliance, and support informed decision-making. Our firm has worked on thousands of projects that involve asbestos, lead, mold, PCB, mercury and, other various materials known to pose health risks to humans. We are experienced, vetted and, knowledgeable with Cal/OSHA, OSHA, Cal/EPA, EPA, DTSC, CDPH, and HUD regulations. Our proficiency in these agencies’ requirements allows us to proactively identify and mitigate potential compliance issues before they lead to costly delays or disruptions.

15CHELS QUIC-TECH SERVICE LLC

Manufacturing & Production · Murrieta, California
WOSB

CHELS QUIC-TECH SERVICE LLC specializes in custom wire harnesses, cable assemblies, and mechanical box builds for industrial, aerospace, and defense applications. We offer turnkey solutions from prototyping to low-to-mid volume production with full quality assurance per IPC/WHMA-A-620 and ISO standards. Our lean structure allows fast response times, flexible order quantities, and close customer collaboration. We focus on reliability, precision, and on-time delivery while building strong supply chain partnerships. Though newly established, our team brings years of hands-on technical experience and a deep understanding of customer needs. We are committed to exceeding expectations, and positioned to support prime contractors in R&D, prototype and pre-production with efficient, dependable, and scalable services.

18PINAO CONSULTING LLC

IT & Software Services · Encinitas, California
WOSBEDWOSB8(a)

Cloud service provider (CSP) and managed service provider (MSP) for ServiceNow and Amazon Web Services (AWS). Specialty areas include IT service management, business process management, workflow, ITIL, GIS, geospatial, and mobile based technology.

20KEISH ENVIRONMENTAL, PC

Environmental & Waste Services · San Jose, California
WOSBEDWOSB8(a)

Keish Env offers construction and program management services, specializing in stormwater and environmental compliance. Founded in 2014 to meet the growing need for quality oversight of infrastructure projects, the firm oversees NEPA environmental and permit compliance in the field to deliver projects on time and within budget. We have cultivated strong and collaborative relationships with key regulatory agencies, such as RWQCB, CDFW, and USACE, ensuring seamless compliance for our clients. This allows us to navigate the complex environmental landscape with ease, proactively addressing any concerns and facilitating smooth project delivery. Sustainability is also a core value at Keish Env, and all of our technical staff are certified Envision Sustainability Professionals. Services Overview • Storm Water Pollution Prevention Plans & Training • Construction Management: Inspection and Permit Compliance Oversight • Regulatory Compliance: Monitoring and Reporting

21VNUIT LLC

IT & Software Services · Bonsall, California
WOSBEDWOSB8(a)

VNuIT(Versatile and Nucleus in Information Technology) is an SBA 8(a) Certified Small, Women and Minority Owned Business that provides Consulting Services in Digital Transformation, Enterprise Asset Management, Location Intelligence, Geospatial Services, Business Process Automation in Energy & Utilities (Gas, Electric, Water), Government, Healthcare, Insurance and Commercial Industry. Our data-driven solutions provide customers transformational insights into the business process improvements that empowers them in making better decisions. Our services include Develop IT Strategy, Custom Software Programming, System Integration, Mobile Application Development, IT consulting, GIS, IT Security Consulting, Cybersecurity, Cloud Computing, Data Science, Big Data Analytics, IoT, CRM, ERP implementations, Industry specific products implementation & Support, Quality Assurance, IV&V, Data Conversion, Data Maintenance, LiDAR and Training and Professional Services.

22ALTA ARCHAEOLOGICAL CONSULTING LLC

Environmental & Waste Services · Santa Rosa, California
WOSB

Full service cultural resource management. Historical and cultural resource evaluations. Provide compliance solutions for relevant environmental and historic preservation laws through archaeological research, survey, reports, and/or data recovery.

23BROAD CONSERVATION LLC

Professional & Management Consulting · Shasta Lake, California
WOSB

ENVIRONMENTAL CONSULTING After a decade working inside the federal government, we can help you: • Comply with U.S. environmental conservation laws, regulations, and policies such as the ESA, MMPA, and NEPA. • Plan and implement threatened and endangered species recovery efforts. • Assess your project’s impacts to wildlife and their habitats. WILDLIFE RESEARCH We have experience in Alaska, Florida, and Hawaii and can help with: • Developing plans and logistics for wildlife research. • Designing protected species monitoring protocols for permit compliance. • Conducting wildlife monitoring studies. • Synthesizing wildlife data into reports. ADVOCACY & OUTREACH Do you need assistance getting your message out or bringing people together? We can help with: • Translating science to the public. • Conference or meeting planning, logistics, and facilitation. • Building partnerships. • Miscellaneous outreach, education, and graphic design activities.

24HUNTER PACIFIC GROUP

Engineering & Architecture · San Diego, California
WOSB

Facilities Support Services, O&M, Power Plant, Waste Water Treatment, Construction & Project Management, Mechanical Engineering, Cost Estimating, Facility O&M, and Procurement for federal, state and public agencies along with architectural firms and contractors.

26LAND IQ, LLC

Environmental & Waste Services · Sacramento, California
WOSB

Land IQ is a specialized Agricultural Science and Remote Sensing firm that pairs scientific knowledge of agronomic, native plant and land systems with advanced remote sensing technologies, custom modeling, and analytical methods to develop powerful and cost-effective client solutions. We focus on large scale land systems and management applications.

27OKAPI ENVIRONMENTAL GROUP, INC.

Environmental & Waste Services · Solana Beach, California
WOSB

Okapi Environmental Group, Inc. dba Pangea Biological, founded in 2006, and focuses on energy, infrastructure, environmental, and construction on 7,500+ projects. Pangea solves challenges for design, construction, and restoration of energy, utility, and infrastructure projects. Pangea Biological specializes in environmental compliance inspection; GIS, mapping, feasibility studies, regulatory consultation, biological resources, cultural resources, avian nest surveys, permitting, and training.

29Eljenholm, Barbara Ann

Professional & Management Consulting · Laguna Niguel, California
WOSB

Byline7 combines the qualifications of community planning, sustainability and the environment (AICP, LEED and SITES Certification services) with the tools of community relations, outreach, marketing, meeting facilitation and related communications services to successfully make the journey through each plan, project and process to successful implementation. The firm specializes in organizing teams and facilitating programs for measurable, timely and highly successful results. Capabilities also include social media, press and media liaison, writing of articles, blogs and books, event and meeting planning and related services.

Frequently asked

Are there certified women-owned NAICS 541620 vendors in California?

Yes — 29 certified women-owned vendors in California list NAICS 541620 (Environmental Consulting Services), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search and dated on each listing.