Who provides most aesthetic injector training today?
Before paying for injector training, a clinician should know who is actually running the course in front of them. The provider type matters because it tells you what oversight, if any, stands behind it.
Private institutions, individual educators and drug companies
PubMed Central hosts a paper that answers this directly: "The lack of standardized education leaves aesthetic medical training to private institutions, individual educators, and pharmaceutical companies, resulting in numerous options but no quality control." Three kinds of providers are named there: private institutions, individual educators, and pharmaceutical companies. The paper is The Need for Regulated Training and Certification for Providers Entering into Aesthetic Medicine.
What that means for your search
The passage describes both a wide choice and an absence of quality control. A clinician around Morristown, or in the neighboring metropolitan area, is choosing among many options. The passage says that variety does not come with quality control.
So the useful move is to judge each course on its own terms. Ask what is taught, who teaches it, and how much of your time is hands-on.
The logo versus the teaching
A routine detail is the logo on the brochure. A detail that should change your decision is what the course can show you about its teaching: the instructors' backgrounds, the practice time, and the way competence is assessed. Skill is built in stages, as the Dreyfus model of skill acquisition lays out, and a program should be able to say where it expects to take you. A separate paper, Identifying Levels of Competency in Aesthetic Medicine: A Questionnaire-based Study, looks at what those levels might be.
Size and sponsor are not quality
Do not let a course's size or sponsor stand in for its quality. Ask for specifics, compare them across programs, and trust the answers you can check.