NAICS 562112 · California

Certified Women-Owned Hazardous Waste Collection in California

22 certified women-owned vendors in California under NAICS 562112 (Hazardous Waste Collection), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search.

22 certified vendors · ranked by certification recency & profile depth

01ORCHARD OPERATIONS INC

Environmental & Waste Services · Beverly Hills, California
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Orchard Operations, a certified minority-owned small business, provides PMP®-certified project management to federal, state, and local agencies. We manage full lifecycle projects, PMO setup, risk, budgeting, scheduling, and vendor coordination. Skilled in Agile, Waterfall, and hybrid methods, we ensure federal compliance and use Earned Value Management. Our culturally responsive team delivers scalable, accountable solutions aligned with public sector mission goals.

02WILLKOMPANY INC

Construction & Trades · National City, California
SBA-certified WOSB, EDWOSB, 8a
WOSBEDWOSB8(a)

Woman-owned minority small business, general contractor with specialization in roofing and waterproofing. We provide quality work at a reasonable cost, delivered on time with safety at the forefront.

03MCGAHAN TRUCKING LLC

Logistics & Warehousing · Corning, California
SBA-certified WOSB, HUBZone
WOSBHUBZone

McGahan Trucking LLC is a certified Woman Owned Small Business WOSB, and HUBZone, State and federally certified trucking company specializing in aggregate material hauling. We provide reliable and efficient hauling services for construction, landscaping and infrastructure projects. Our fleet of modern trucks is equipped to handle rock, sand, gravel, asphalt, debris, soils and more. We also do emergency clean up hauling services.

04ON THE ROAD SOLUTIONS LLC

Construction & Trades · Oakland, California
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

On the Road Solutions LLC provides back end office support for Trucking and Logistics companies. We are a small minority woman owned business with a team of dedicated individuals working towards the betterment of our clients

05TRIDANT SOLUTIONS, INC.

Construction & Trades · Ridgecrest, California
SBA-certified WOSB
WOSB

Founded in 2005, Tridant Solutions (Tridant) delivers essential support services to military/federal partners in the key support areas of command support, administrative, records management/archive, audit readiness, procurement, healthcare, data management, medical abstractors/research, case management, behavioral health, medical records, medical readiness, safety training. and program mgmt. Tridant is a 3-time INC 500 Fastest Growing Company awardee with over $70M in successfully completed or underway multi-year programs. We serve NAVSEA, NAVAIR, US Air Force, US Dept. of Homeland Security, Air/Army National Guard, CDC and the private industry. Clients choose us for our 100% Exceptional CPAR ratings; web-based contract mgmt.; automated cost controls, employee onboarding & labor mgmt., and schedule systems. The firm's loyal clients benefit from Tridant's active SECRET clearance, CMMC Level 2 (C3PAO), mission-critical DoD experience, and established SeaPort-NxG contract.

08MARING TRANSPORT LLC

Logistics & Warehousing · Bakersfield, California
SBA-certified WOSB
WOSB

Maring Transport LLC is a certified, woman-owned, hazmat-compliant trucking company based in California, specializing in the safe and reliable transportation of crude oil, hot asphalt, construction materials, and general freight. With a strong commitment to safety, regulatory compliance, and on-time delivery, we serve energy companies, construction firms, and government agencies across the state. Our fleet includes flatbeds, hot asphalt tankers, and power units capable of handling complex logistics with efficiency and professionalism. We take pride in “doing it right”—delivering high-quality service with integrity and dependability.

10ECO & ASSOCIATES, INC.

Environmental & Waste Services · Santa Ana, California
SBA-certified WOSB
WOSB

Civil and environmental services company that provides construction management field inspection cost estimating construction inspection and resident project observation and documentation. Eco provides environmental services as well.

12TRU'S CONSTRUCTION AND TRAFFIC CONTROL LLC

Facilities & Building Services · Sacramento, California
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Tru’s Construction and Traffic Control LLC is a certified woman-owned, minority-owned, and economically disadvantaged small business based in Sacramento, CA. We hold a General B and C-8 Contractor’s License, offering services in general contracting, construction management, concrete work, and certified traffic control, including flagging, lane closures, and permit acquisition. We are DIR-registered and certified as WBE, MBE, DBE, SB, SBE, WOSB, and EDWOSB, making us eligible for a wide range of contracting opportunities. Our company prioritizes safety, compliance, and workforce development, with a commitment to hiring from underserved communities. we continue to build capacity and strengthen our service delivery. Tru’s Construction stands out for its reliability, diverse certifications, and hands-on leadership focused on delivering high-quality, timely, and community-centered results.

13T3W BUSINESS SOLUTIONS, INC.

Professional & Management Consulting · San Diego, California
SBA-certified WOSB
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.

14LESLIE HEAVY HAUL LLC

Logistics & Warehousing · Sonora, California
SBA-certified WOSB
WOSB

Leslie Heavy Haul, LLC has provided operational support to the U.S. Forest Service, National Park Service, BLM, and federal wildland fire agencies for more than a decade. Work includes National Forest stewardship projects, timber sale contracts, fire salvage and rehabilitation, and fire line construction executed in remote and high-risk environments. Services also cover road construction, reconstruction, and repair to restore access and improve site readiness before, during, and after incident response. Leslie Heavy Haul, LLC supports equipment inspections and repairs to keep mission assets operational in the field. Debris removal and cleanup services address storm and wildfire impacts, helping agencies restore safe conditions and reopen critical routes with reliable, scalable support.

17JNV GROUP

Construction & Trades · Sacramento, California
SBA-certified WOSB
WOSB

Consulting, Project Management, Administrative Services, Electrical Services, Construction, Risk Management, Healthcare Consulting, Construction Consulting

19EFR ENVIRONMENTAL SERVICES INC.

Environmental & Waste Services · Alpine, California
SBA-certified WOSB
WOSB

We are a woman owned small business located in San Diego & Imperial Counties. We are licensed General Contractor A, B, Haz, ASB, C-21 specializing in RCRA & Non-RCRA Hazardous and Non-hazardous waste transportion and disposal. 24 Hour Hazmat Emergency Response including COVID-19 decontamination services. Site excavations including backfill & compaction, site clean-ups, waste sampling, categorization, profiling, packaging (including lab packs), manifesting, labeling & waste disposal. Transportation & Waste Disposal-Roll-off service 20y & 40y bins & roll off tanks, End Dump service, Vacuum Service, Drum Route services-drums, totes, pails, Bulk services- used oil, antifreeze, oily water/sludge, oily dirt, contaminated soils & waters MSW. Tank Removal, tank & line cleanings. Structural demolition & heavy equipment w/ competent operators- excavators, loaders, skid steers, backhoes, forklifts. Construction support services. All our Hazmat Technicians are fully trained and certified.

20VNUIT LLC

IT & Software Services · Bonsall, California
SBA-certified WOSB, EDWOSB, 8a
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.

22HUNTER PACIFIC GROUP

Engineering & Architecture · San Diego, California
SBA-certified WOSB
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.

Frequently asked

Are there certified women-owned NAICS 562112 vendors in California?

Yes — 22 certified women-owned vendors in California list NAICS 562112 (Hazardous Waste Collection), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search and dated on each listing.