E2S is the world’s leading independent signalling manufacturer.
We specialise in the design, development and manufacture of high performance audible and visual signals for commercial, industrial, marine and hazardous locations with over 30 years of expertise.

Our head office and manufacturing operations are located in London, UK with extensive facilities for design, manufacture, quality assurance, testing and dispatch along with a customer service centre serving global markets.

Additionally, a dedicated distribution hub and sales operation is based in Houston, Texas principally serving North and South American customers as well as supporting projects globally. An international network of distribution partners and system integrators ensure worldwide product availability and local technical support.

Quality Assurance and Certification
Trusted Partner with Worldwide Certifications: As experts in designing and manufacturing signalling devices our quality and product standards meet and exceed many worldwide standards. As well as having ISO9001:2015 certification, our extensive in-house testing facilities such as, an anechoic chamber for sound measurements, spectrometer for light analysis, environmental test chamber and EMC test facility, ensures that our products are tested and verified to operate in the toughest of environments. In addition to internal testing our products are assessed and certified by several leading independent quality assessors and certification organisations around the world for conformity and safety. Our product approvals and certifications include UL, cUL, IECEx, ATEX, FM, VdS, DNV, INMETRO, CU TR and MED. Additionally many of our products benefit from the following approvals and permits:Russian fire certificate, Russian maritime register certification, Hong Kong fire department certification, ANZEx certification for Australia. Details of product specific approvals can be found on the product pages.

BExS110 Explosion Proof Alarm Horn Sounder - Brochure