Positive Impact (Sales) Ltd
East Sussex
Great Britain

Knight Optical UK Ltd
Harrietsham, Kent
Great Britain

Qioptiq Excelitas
St. Asaph
Great Britain

De Mors
Rijssen
Netherlands

Tirad, s.r.o.
Zeletava
Czech Republic

Frost Optical Services Ltd
Wokingham
Great Britain

Samjin C&I
Anyang-si
Korea, Rep. of

Ronor
Montréal
Canada

Roger Eyedesign Vof
Etten-Leur
Netherlands

Garrett Leight California Optical
Amsterdam
Netherlands

Excel Optical Corporation
Fukui
Japan

Patch & Co Frames
Hailsham
Great Britain

Jaan Lih Optical Co., Ltd.
Tainan City
Taiwan

Sirui Optical GmbH
Berlin
Germany

Diamond Coatings
Halesowen
Great Britain

Kaiser Optical Systems
Saint Priest
France

Fortuna Optics Eood
Ovcha kupel district
Bulgaria

Shamir Optical
Vilar, Vila Do Conde
Portugal

Optical Metrology Services Ltd (OMS)
Stansted
Great Britain

Rapp Optical Ltd.
Toronto
Canada