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View SIRE® Life Sciences's top competitors like Aerotek, Celerion, and Charles Aris Executive Search.

Thermo Fisher Scientific
About Thermo Fisher Scientific Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of approximately $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. For more information, please visit www.thermofisher.com.
Waltham, Massachusetts, US
Public
$42.9B Revenue
https://www.thermofisher.com
96.2K Employees
TMO Ticker
Aerotek
From economic headwinds to talent complexities, the challenges facing North American industry are real. To rise to this moment, Aerotek® Inc. helps companies, and careers evolve. Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting clients nationwide. Aerotek is an Allegis Group company, the global leader in workforce and business solutions.
Hanover, Maryland, US
Private
$1.1B Revenue
http://www.aerotek.com
20.7K Employees
Syneos Health
Syneos Health® is a leading fully integrated biopharmaceutical solutions organization built to accelerate customer success. We translate unique clinical, commercial and real world insights into outcomes to address modern market realities. We bring together a talented team of professionals with a deep understanding of patient and physician behaviors and market dynamics. Together we share diverse insights, use the latest technologies and apply advanced business practices to speed our customers’ delivery of important therapies to patients. Syneos Health is powered by an authentic, inclusive and high-performance culture that cares for colleagues, customers, patients, communities and the environment.
Morrisville, North Carolina, US
Public
$6.1B Revenue
http://www.syneoshealth.com
24.1K Employees
INCR Ticker

Top SIRE® Life Sciences Employees

G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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