Collaborative Testing Services (CTS) Competitors

Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 47,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. The company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology (AP) services, & interpretive consultation through its medical & scientific staff of about 900 M.D.s & Ph.D.s. The company reported 2020 revenues of $9.44 billion. Quest Diagnostics offers the most extensive clinical testing network in the U.S., with laboratories in most major metropolitan areas, & in Mexico, the UK & India. The company also operates four esoteric laboratories, 40 outpatient AP laboratories, & 160 smaller, rapid-response laboratories. Patients may have specimens collected in any of the company’s approximately 2,250 patient service centers. On a typical workday, testing is performed for about 550,000 patients. Quest Diagnostics empowers healthcare organizations & clinicians with state-of-the-art connectivity solutions. The company is the leading provider of pre-employment drugs-of-abuse screening for employers & risk assessment services for the life insurance industry. It is the world’s 2nd largest provider of clinical trials testing for new pharmaceuticals. More information is available at www.questdiagnostics.com. Language Assistance / Non-Discrimination Notice Asistencia de Idiomas / Aviso de no Discriminación 語言協助 / 不歧視通知 www.QuestDiagnostics.com/home/nondiscrimination

SGS is the world’s leading Testing, Inspection and Certification company. We operate a network of over 2,500 laboratories and business facilities across 115 countries, supported by a team of 99,500 dedicated professionals. With over 145 years of service excellence, we combine the precision and accuracy that define Swiss companies to help organizations achieve the highest standards of quality, compliance and sustainability. Our brand promise – when you need to be sure – underscores our commitment to trust, integrity and reliability, enabling businesses to thrive with confidence. We proudly deliver our expert services through the SGS name and trusted specialized brands, including Brightsight, Bluesign, Maine Pointe and Nutrasource. Community Guidelines SGS encourages all fans of this page to participate in conversations through questions and comments. Any comments arising from persons sharing or reproducing any communications published by SGS is not controlled or endorsed by SGS. We want to promote an informative and enjoyable environment within this community. We therefore ask that you post content that is both relevant and respectful and you follow LinkedIn's Professional Community Guidelines. Posts will be removed if they are: - Offensive, defamatory, discriminatory or obscene - Fraudulent, deceptive or misleading - In violation of any intellectual property rights - In violation of any law or regulation - Abusive, harassing, stalking or attacking others - Trolling or deliberate disruption of discussion - Commercial solicitations or personal promotion - Spam or link baiting Intellectual Property Statement Except where expressly stated otherwise, all intellectual property rights, including copyright and trademarks, in any and all communications and materials in any form published by or on behalf of SGS are owned by © SGS Société Générale de Surveillance SA (2025).

As the global reference laboratory for Mayo Clinic, Mayo Clinic Laboratories will help you advance patient care, strengthen your practice, and broaden access to specialized testing. Through our partnerships with clinicians at Mayo Clinic and health care providers around the world, we are able to offer the most sophisticated test catalog in the world. It is because of these daily collaborations that our subspecialized laboratories continue to be a critical component to patient care at Mayo Clinic. - 4.5 million patients worldwide - 3,000 plus tests and pathology services - 24 million tests performed annually - 4,500 physicians and scientists at Mayo Clinic - 90 plus subspecialty pathologists - 560 peer-reviewed articles published annually