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The 10 fastest-growing companies in Waltham

We've ranked the top companies in Waltham by our proprietary Growth Score, an algorithm that predicts a company's chance of growing in revenue and/or headcount. Here are the leaders, along with revenue, size and other information.

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Keywords: curated web, tutoring, customer service, marketplaces, bridging online and offline, local services, elder care is an online web portal for finding suitable caregiver services for child care, senior care, housekeeping, pet care, and more.


Keywords: biotechnology, healthcare, pharmaceuticals, tesaro, developing better medicines, passionate about patients, accelerating cancer therapies

TESARO is an oncology-focused biopharmaceutical company identifying better cancer therapies to improve the lives of patients with cancer.

3. Blu Homes

Keywords: real estate, green construction, precision built modular homes ('prefab' homes, land developer partner, personalized home builders, factory controlled construction, software development and design

Blu Homes is a provider of premium prefab homes in North America, designed and manufactured in CA.

4. Harvest Power

Keywords: energy, clean technology, anaerobic digestion, alternative energy, gasification, organic waste, renewable energy

Harvest Power is an organics management company producing renewable energy and soil enhancement products.

5. Actifio

Keywords: enterprise software, information technology, information services, storage, virtualization, cloud data services, copy data virtualization

Actifio delivers copy data virtualization to hundreds of global enterprise customers and service provider partners in more than 30..........

6. CloudLock

Keywords: enterprise software, saas, it management, cloud security, applications, enterprise security, cloud management

CloudLock is a cloud security company focused on providing enterprise class security solutions for data in the cloud.

7. Excelitas Technologies

Keywords: enterprise software, led solutions, cermax xenon, flash lamps, apds, photodiodes, pdas, spcms

Global Technology Leader.

8. CounterTack

Keywords: security, cloud security, enterprise software, enterprise security, data security, in progress attack intelligence and response, enteprise and government security

CounterTack is the leading provider of real-time, Big Data endpoint detection and response technology for the enterprise.

9. Avedro

Keywords: healthcare, medical device, pharmaceuticals, ophthalmics, drug manufacturing and research, medical devices and equipment, manufacturing

Avedro is a medical device and pharmaceutical company advancing the science and technology of corneal cross-linking.

10. Affectiva

Keywords: analytics, artificial intelligence, human computer interaction, face recognition, computer vision, facial expression analysis, emotion sensing technology

Affectiva provides emotion measurement technologies used to understand how people feel in order to improve products and experiences.

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