About Us

About CTI

Who We Are

CTI is an engineering and specialized construction firm with two distinct and separate operating divisions - Regulatory Compliance and Construction Management. With this unique combination, we are able to provide a single source to address your concerns related to compliance and engineering on construction projects.  

In the Regulatory Compliance Division, CTI specializes in hazardous materials assessments including lead, asbestos and contaminated soils. We also provide support on issues related to OSHA compliance providing audits, training and written program development. CTI has extensive relationships with agencies such as: SCAQMD, Cal-EPA, CalTrans, DTSC, Sanitation Districts, Cal OSHA, State Water Resource Control Board, Fire Departments, and many other regulatory agencies.

In the Construction Management Division, CTI provides project scheduling, site inspectors, document control, estimating, utility relocation design, and administrative support. We understand that you and your clients demand on-time delivery of all your projects. 

No matter the risk you face, CTI can assist you in evaluation of the project and will provide you with a roadmap to compliance while allowing you to achieve your business objectives.


Our Vision
Envisioning a clean world for future generations and providing safe work environments, reducing employer liability.
Our Mission
As a global leader, CTI anticipates and exceeds our customers’ expectations by offering innovative and sustainable environmental, health, and safety solutions.
Our Core Values
Honesty & Integrity, Diversity, Collaboration, Safety, Community.
Mentor/Protege Agreement 
CTI Environmental, Inc. (CTI) and Thomas Land Clearing Company (TLC) have been approved by the U.S.  Small Business Administration (SBA) for the 8(a) Mentor-Protégé Program. TLC, a business with significant experience in demolition and environmental services will serve as the Mentor.  Through this agreement, CTI can provide Environmental Services, Demolition, Abatement Services, Emergency Clean-Up Services, Renovation, Debris Removal and Design-Build New Construction. Our team has completed projects with various federal agencies and private sector firms and our reputation and past performance ensures that any opportunity presented to us would be performed and managed in a highly efficient manner.  The purpose of entering into this relationship with TLC in May of 2017 was for CTI’s continued growth as well as providing increased capabilities for Government projects.
Mentor/Protege Agreement PDF
When you choose CTI, Inc., you are choosing a minority-owned small business with major compliance and engineering experience and a wholehearted commitment to the success of your project.

About Our CEO

Robin Thorne is a chemical engineer, advocate for women in nontraditional careers and believer in people pursuing their passions. As someone who has broken through many barriers to achieve her current level of success, Thorne knows that if a person is committed, believes they can achieve (have faith) and are willing to do the work, they have a chance at being successful.


In 2009 she started CTI, a firm providing engineering, environmental, safety and construction management services and currently serves as the chief executive officer. Under her leadership CTI provides Phase I Environmental Site Assessments, Lead Based Paint and Asbestos services, site inspections and safety program development. Robin and her team have held contracts with Southern California Edison, U.S. Department of Forestry, U.S. Department of Justice, Federal Aviation Administration, nonprofit corporations, real estate developers, higher ed and

Fortune 500 companies. Thorne uses her platform as a business owner to uplift others and loves to speak to aspiring entrepreneurs about the endless possibilities that exist if they’re willing to push pass the obstacles.


In 2019, after demolishing a federal prison, she started DemoChicks, a nonprofit corporation that introduces girls to nontraditional careers and empowers the women who are in them. DemoChicks conducts hands‐on workshops for students in K‐12, offers scholarships and mentoring to college students and honors women in the community. Thorne is a firm believer that ‘if they see it, they can be it’ and believes Demochicks will empower girls to pursue their passions.


She is a native of Philadelphia, mother of one, graduate of Drexel University and currently resides in Long Beach, California.

Our Associations
  • American Association of Blacks in Energy
  • American Institute of Chemical Engineers
  • American Society of Safety Engineers
  • Air & Waste Management Association
  • California Black Chamber of Commerce
  • California Resource Management Association
  • Greater Los Angeles African American Chamber of Commerce
  • Orange County Emergency Management Association
  • Soroptimist International of Long Beach
Awards & Honors
  • American Business Women’s Association – Business Associate of the Year
  • Clark Construction – Strategic Partnership Program Capstone – 1st Place
  • Community College of Philadelphia, Alumni of the Year
  • Drexel University College of Engineering - Circle of Distinction
  • GLAAACC 2016 Mentee of the Year
  • Press Telegram – Amazing Women Finalist, Environment
  • Skanska, Traylor Brothers, AECOM, Kiewit – Fast Track Program Graduate
  • Small Business of the Year – California Black Chamber of Commerce
  • Soroptimist International Of L.B. – Woman of Distinction, Environment
  • Villager Award - Afram Global
Certifications
  • Minority/Women Owned Business Enterprise (MBE/WBE)
  • Small Business Enterprise (SBE)
  • Disadvantaged Business Enterprise (DBE)
  • Very Small Business Enterprise (VBSE)
  • Small, Local Business Enterprise (SLBE)
  • Community Business Enterprise (CBE)
  • SBA’s 8(a) Certification
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