United Biologics manufactures and distributes anatomically accurate silicone replications of human vasculature (view products), including common pathologies. We are silicone vessel specialists, driven to better equip medical professionals to train physicians, challenge medical device R&D and enhance product marketing techniques.

Working alongside leaders in the medical device industry, United Biologics proudly ensures product conformity to anatomical biological functionality, response and sizing. From conception to completion, United Biologics will work with you in selecting or developing the best solution for your specialized needs.
United Biologics is the definitive destination for silicone vascular models.

Craig Johnson | CEO and Founder, United Biologics, Inc.

Craig Johnson serves as the Chief Executive Officer and Founder of United Biologics. He is the developer of the company’s silicone vessel technology and proprietary processes.

Mr. Johnson graduated from Humboldt State University with a degree in Biological Sciences and Research. He has worked within the medical industry providing imaging solutions since 1985. His vast experience includes the processing of diagnostic angiographic images for clinical studies as well as the development of video imaging systems for major biomedical companies.

During his years of clinical imaging, he discovered the necessity for a variety of both healthy and diseased vessels that are anatomically accurate. This realization led to the creation of United Biologics, Inc.  His creativity and vision is evident through products designed to assure customer satisfaction at every level and, most importantly, serve the patient.

Mission Statement


Mission Statement



United Biologics, Inc. strives to improve patient care by

providing accurate and aesthetically designed vascular

models for the advanced training, testing and marketing

of medical devices.

Core Ideology
Everyone is treated with courtesy and consideration. We believe in the intrinsic worth of each individual and the importance of providing an environment that fosters personal and professional growth. We value our relationships and conduct ourselves with openness and compassion.

We believe our competitive advantage is cultivated through our employees’ capacity to work together, turning ideas into action. Employees are free to voice ideas and observations. We also cultivate strong relationships with our customers, colleagues, and vendors.

Customer service
We believe our first responsibility is to the customers we serve; the physicians, engineers, and marketing professionals who benefit from the tools we create. We are passionate about providing an experience that makes for a loyal and satisfied customer who comes back often and recommends us to others.

Innovation is essential to providing superior products and exceptional value. We maintain an atmosphere of innovation through the execution of new ideas tailored to our customers’ needs. We constantly promote professional growth through education and the development of new technologies.

We take personal responsibility for our actions and commitments, upholding the highest ethical standard in all that we do. Customers trust United Biologics to be forthcoming and factual. We protect the confidentiality and privacy of our customers. Our company is built upon relationships where transparency and sincerity are expected.

We are committed to maintaining best-in-class quality and efficiency by resolutely pursuing best business practices. We embrace continual improvement to maximize profitability while increasing quality. We strive to give our customers an increased competitive advantage in their markets.

We acknowledge and develop the diverse abilities of our employees, and provide the tools and time needed to accomplish company goals. Individuals are encouraged to take ownership, initiative, and pride in their work. Our regard for others extends to our customers and colleagues.

Confusion About United Biologics, L.L.C. dba United Allergy Services and United Allergy Labs. There is online confusion between United Biologics, Inc., a California based manufacturer of silicon replicas of human vasculature, and United Biologics, L.L.C. (UB-LLC) doing business as United Allergy Services and United Allergy Labs. Read more.