In this photo from last June, veterinarian Virginia Gill poses with Ivy, a 7-year-old greyhound, at Maine Veterinary Medical Center in Scarborough. The animal hospital is owned and operated by Rarebreed Veterinary Partners. Derek Davis/Staff Photographer, file photo A Portland startup ranks No. 1 on a prestigious list of fast-growing companies compiled by one of the country’s most widely read business publications, Inc. magazine. Rarebreed Veterinary Partners topped Inc.’s ranking of private companies in the Northeast that have grown the most from 2019 to 2021, with the company’s revenue soaring 4,691% during that period. Founded in 2018, Rarebreed invests in veterinary clinics and hospitals, providing technology, staff, operational support and other help. The company works with over 100 animal-health care sites across 11 states, including 20 Maine locations from Arundel to Houlton. Only one other Maine business was included on this year’s list, released last week: Scott & Jon’s, a frozen-food manufacturer specializing in shrimp dishes. The Auburn-based company ranked No. 102 after seeing two-year revenue growth of 160%. The Inc. Regionals are an offshoot of the Inc. 500 and Inc. 5000 lists, which have ranked high-growth companies annually since 1982. Over the years, the lists have flagged the […]