U.K. Tech Big Green Snowflakes

Croma Security Solutions Group

Market Cap: UK£11.7m

Provides security services in the United Kingdom.

Spectris

Market Cap: UK£2.0b

Provides precision measurement solutions.

Synectics

Market Cap: UK£52.8m

Engages in the design, integration, and support of security and surveillance systems in the United Kingdom and internationally.

Spectra Systems

Market Cap: UK£98.9m

Spectra Systems Corporation invents, develops, and sells integrated optical systems in the United States and internationally.

M.T.I Wireless Edge

Market Cap: UK£37.9m

Engages in design, development, manufacture, and marketing of antennas for the military and civilian sectors.

Midwich Group

Market Cap: UK£187.0m

Distributes audio visual (AV) solutions to trade customers in the United Kingdom, Ireland, Europe, the Middle East, Africa, the Asia Pacific, and North America.

Gooch & Housego

Market Cap: UK£100.8m

Engages in the manufacture and sale of acousto-optics, electro-optics, fiber optics, and precision optics and systems in the United Kingdom, North America, Europe, the Asia Pacific, and internationally.

Image Scan Holdings

Market Cap: UK£2.6m

Through its subsidiary 3DX-Ray Limited, engages in the manufacture and sale of portable X-ray systems in the United Kingdom, Europe, the Middle East, Africa, Asia, Indian Subcontinent, and the Americas.

Big Technologies

Market Cap: UK£198.8m

Engages in the development and delivery of remote monitoring technologies and services to the offender and remote personal monitoring industry under the Buddi brand name in the Americas, Europe, and the Asia-Pacific.

Touchstar

Market Cap: UK£6.3m

Designs and builds rugged mobile computing devices under the Touchstar brand in the United Kingdom and rest of Europe.

Renishaw

Market Cap: UK£1.7b

An engineering and scientific technology company, designs, manufactures, distributes, sells, and services technological products and services, and analytical instruments and medical devices worldwide.

Solid State

Market Cap: UK£87.8m

Designs, manufactures, and supplies electronic equipment in the United Kingdom, rest of Europe, Asia, North America, and internationally.

Filtronic

Market Cap: UK£216.8m

Designs, develops, manufactures, and sells radio frequency (RF) technology in the United Kingdom, Europe, the Americas, and internationally.

Windar Photonics

Market Cap: UK£39.5m

Through its subsidiaries, develops light detection and ranging wind sensors, and related software suite for use on electricity generating wind turbines in Europe, China, Australia, the United States, and rest of Asia.

Raspberry Pi Holdings

Market Cap: UK£858.4m

Designs and develops single board computers and compute modules worldwide.

Strix Group

Market Cap: UK£98.4m

Designs, manufactures, and supplies kettle safety controls, and other components worldwide.

Vianet Group

Market Cap: UK£16.6m

Provides smart, cloud-based, and Internet of Things solutions to the hospitality, unattended retail vending, and remote asset management sectors in the United Kingdom, rest of Europe, the United States, and Canada.

Oxford Instruments

Market Cap: UK£945.8m

Oxford Instruments plc provide scientific technology products and services for academic and commercial organizations worldwide.

SDI Group

Market Cap: UK£56.5m

Through its subsidiaries, designs and manufactures scientific and technology products based on digital imaging and sensing and control applications worldwide.

Thruvision Group

Market Cap: UK£2.6m

Engages in development, manufacture, and sale of walk-through security technology in the United Kingdom, Europe, the United States, the Middle East, Africa, and internationally.

Northamber

Market Cap: UK£7.3m

Engages in the supply of computer hardware, computer printers and peripheral products, computer telephony products, and other electronic transmission equipment in the United Kingdom.

Xaar

Market Cap: UK£72.9m

Designs, develops, manufactures, markets, and sells industrial printheads and print systems in Europe, the Middle East, Africa, Asia, and the Americas.

Spirent Communications

Market Cap: UK£1.0b

Provides automated test and assurance solutions in the Americas, the Asia Pacific, Europe, the Middle East, and Africa.

TT Electronics

Market Cap: UK£137.8m

Provides design-led advanced electronics technologies for performance critical applications in the healthcare, aerospace and defense, and automation and electrification markets in the United Kingdom, Rest of Europe, North America, Asia, and internationally.

BATM Advanced Communications

Market Cap: UK£59.5m

Engages in the development, production, and marketing of real-time technologies in Israel, the United States, and Europe.

Zytronic

Market Cap: UK£4.5m

Develops, manufactures, and markets interactive touch sensor products.

Calnex Solutions

Market Cap: UK£42.6m

Designs, produces, and markets test instrumentation and solutions for network synchronization, and network emulation for telecoms networks, enterprise networks, and data centers in the Americas, North Asia, and internationally.

Halma

Market Cap: UK£10.1b

Together its subsidiaries, provides technology solutions in the safety, health, and environmental markets in the United States, Mainland Europe, the United Kingdom, the Asia Pacific, Africa, the Middle East, and internationally.

Seeing Machines

Market Cap: UK£84.8m

Provides driver and occupant monitoring system technologies in Australia, North America, the Asia Pacific, Europe, and internationally.

Ethernity Networks

Market Cap: UK£350.0k

A technology solutions provider, develops and delivers data processing technology and solutions for applications in telecommunications, mobile, security, and data center markets in Asia, Europe, Israel, and the United States.

Vectron Systems

Market Cap: €111.7m

Provides POS systems, POS software, and digital and cloud based services worldwide.

Concurrent Technologies

Market Cap: UK£136.4m

Designs, develops, manufactures, and markets single board computers for system integrators and original equipment manufacturers in the United Kingdom, the United States, Malaysia, Germany, rest of Europe, and internationally.

CAP-XX

Market Cap: UK£6.6m

Develops, manufactures, and sells supercapacitors in the Asia Pacific, Europe, and the Americas.

Newmark Security

Market Cap: UK£6.6m

Designs, manufactures, and sells electronic and physical security systems in the United Kingdom, the United States, Belgium, Canada, the Netherlands, Mexico, the Middle East, Sweden, Switzerland, Ireland, and internationally.

Westminster Group

Market Cap: UK£6.7m

A specialist security and services company, designs and supplies technology security solutions and services worldwide.

PipeHawk

Market Cap: UK£581.0k

Engages in the development, assembly, and sale of automated manufacturing units, test system, rail industry solutions, and ground probing radar (GPR) equipment in the United Kingdom, Europe and internationally.