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View Callens's top competitors like Aquafin, Bureau Veritas Group, and DRW.

Bureau Veritas Group
Bureau Veritas is a world leader in Testing, Inspection and Certification. Our mission is at the heart of key challenges: quality, health and safety, environmental protection and social responsibility. Through our wide range of expertise, impartiality and independence, we foster confidence between companies, public authorities and clients. Bureau Veritas is a Business to Business to Society company, contributing to transform the world we live in. Driven by society, we are working ever more closely with our clients, addressing today’s crucial challenges and answering society’s aspirations. Bureau Veritas is listed on the Euronext Paris (Compartment A, code ISIN FR 0006174348, stock symbol: BVI).
Neuilly-sur-Seine, FR
Public
$6.1B Revenue
http://www.bureauveritas.com
54.9K Employees
BVI Ticker
Eurofins
Since 1987, Eurofins has grown from one laboratory in Nantes, France to over 65,000 staff across a network of independent companies in 59 countries, operating over 950 laboratories. Performing over 450 million tests every year, Eurofins offers a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin, traceability and purity of biological substances and products, as well as providing innovative clinical diagnostic testing services, as one of the leading global emerging players in specialised clinical diagnostics testing. Ever since its IPO on the French stock exchange in 1997, Eurofins has been one of the fastest growing listed European companies.
Luxembourg, LU
Public
$6.8B Revenue
https://www.eurofins.com
24.7K Employees
ERF Ticker
DRW
At DRW, we identify and capture trading and investment opportunities globally. What sets us apart is our diversified approach—trading across many asset classes and instruments, in markets around the world, with horizons from seconds to years. We succeed by leveraging technology, research and risk management. We offer the best of both worlds: the opportunity and spirit of a startup and the benefits and stability of an established, experienced firm. Our employees work hard to solve interesting problems, and their results are rewarded. We value continuous learning—from our outcomes, from the environment and from each other. It’s a place of high expectations, deep curiosity, and constant collaboration, with some of the smartest, most passionate people you’ll meet. // Chez DRW, nous identifions et saisissons les opportunités de négociation et d'investissement au niveau mondial. Ce qui nous différencie, c'est notre approche diversifiée : nous négocions sur de nombreuses classes d'actifs et d'instruments, sur des marchés du monde entier, avec des horizons allant de quelques secondes à plusieurs années. Nous réussissons en nous appuyant sur la technologie, la recherche et la gestion des risques. Nous offrons le meilleur des deux mondes: les opportunités et l'ésprit d’une entreprise en démarrage, et les avantages et la stabilité d'une entreprise établie et expérimentée. Nos employés travaillent dur pour résoudre des problèmes intéressants et leurs résultats sont récompensés. Nous valorisons l'apprentissage continu – de nos résultats, de l’environnement et de chacun de nous. C’est un lieu où les attentes sont élevées, la curiosité est profonde et la collaboration est constante, et où l’on retrouve quelques-uns des individus les plus intelligents et les plus passionnés que vous puissiez rencontrer.
Chicago, Illinois, US
Private
$670.2M Revenue
http://www.drw.com
2.4K Employees

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