HIGHLAND LABORATORIES is a UL NPA GMP Certified manufacturer of vitamins, supplements, and personal care products. For 50 yea ... rs Highland has been innovating and collaborating with the best suppliers, developing long term relationships with the best growers and manufacturers to ensure only the very highest quality of ingredients find their way into our products. In January 2017, we earned our Organic Certification through Oregon Tilth and can now produce both conventional and organic vitamins and supplements, as well as personal care products containing organic ingredients. We continue to place the highest value on quality, integrity and on establishing a real, human connection between our staff and yours. What Makes Us A World-Class Manufacturer: NPA accreditation for our Good Manufacturing Practices (GMP) Certified Organic through Oregon Tilth Innovative products and custom-made formulations Analytical and microbiological laboratories on site A very stringent Quality Assurance program—for raw materials and vendors Contract manufacturing for nationally recognized products Highly qualified and accessible staff of professionals In-house Design, Printing, Marketing and Technical Assistance at your service. read more