From junction boxes to lighting solutions - we have the expertise you need. We are your partner from planning and production. Regent Ltd., with their headquarters in Basel, have approximately 600 employees in six countries, are the market leader in Switzerland and one of the leading manufacturers in Europe. » «A beautifully simple, clean-lined design language with superb light quality and craftsmanship. Senaplastics develops, designs, manufactures, and assembles systems, devices, and components for the. The company specializes in innovative lighting solutions that enhance architectural spaces and positively influence human biorhythms.