John LaRosa is the President of Marketdata LLC, a 43-year-old privately owned independent market research publishing/consulting firm. During his career, Mr. LaRosa has personally authored more than 300 major industry/market studies, primarily in the service and healthcare sectors. In addition to publishing such studies, Marketdata performs custom research projects and consulting, creates business plans, and Mr. LaRosa is available for phone conference calls and speaking engagements. Now offering Market Research Reports.
$26 Billion Diagnostic Imaging Centers Industry Is Growing
Sept. 15, 2025 Marketdata has published a newly updated study: “The U.S. Diagnostic Imaging Centers Industry”, Sept. 2025. The report is 85 pages long, with
$12 Billion U.S. Self-Improvement Market Shifts To Hybrid Model and More Virtual Services
August 14, 2025 Self-improvement Market Marketdata LLC, a leading independent market research publisher since 1979, has released the 15th edition of its best-selling report a
$2.4 Billion U.S. Meditation Market Still Growing
June 14, 2025 Marketdata LLC has just released a new report that analyzes the U.S. Meditation Market. This June 2025, 84-page report tracks the market
$4.4 Billion U.S. Autism treatment Market Is Still Growing
May 20, 2025 Marketdata LLC, a leading independent market research publisher since 1979, has released a new study, a 107-page report entitled: The U.S. Autism
$5 Billion U.S. Meal Replacements Market Adjusts to GLP-1s Competition
April 22, 2025 Marketdata LLC has just released a new market study: “The U.S. Meal Replacements Market: Retail & MLM Channels”, April 2025. This 77-page
Can AI Replace Market Research Reports?
March 31, 2025 ChatGPT is all the rage right now, but just how good is it when it comes to market research? Does it deliver
$38.4 Billion U.S. Commercial Weight Loss Market Pivots To Survive GLP-1 Drugs Explosion
March 24, 2025 Marketdata LLC has just published a new report: “The U.S. Weight Loss Market: Commercial (non-medical) Programs & Products”, March 2025. This is
$33.8 Billion U.S. Medical Weight Loss Market Now Dominated by GLP-1 Drugs
Feb. 26, 2025 Marketdata LLC has published anew 154-page analysis of the U.S. weight loss market, entitled: “The U.S. Medical Weight Loss Market: The Impact
U.S. Physical Therapy Clinics Industry Now Worth $53 Billion and Growing
Dec. 26, 2024 U.S. Physical Therapy Clinics Industry Reaches $53 Billion – New Study Published Marketdata LLC, a leading independent market research publisher of “off-the-shelf”
$1.8 Billion Business Brokers Market Poised For Growth
Nov. 4, 2024 Marketdata LLC has published a new report covering the U.S. Business Brokers Industry, a little-researched service sector. This is a new, 60-page