| INTUMESCENT Coated Slabs | INTUMESCENT SYSTEMS LTD |
| INTUMESCENT Coatings | ASTROFLAME FIRESEALS LTD |
| COMPLETE FIRE PROTECTION LTD |
| CROWN PAINTS |
| GLIDDEN TRADE |
| GRANT HAZE LONDON LTD |
| HYDRON PROTECTIVE COATINGS LTD |
| INTUCHEM |
| INTUMESCENT SYSTEMS LTD |
| NULLIFIRE |
| PPG PROTECTIVE & MARINE COATINGS |
| PROMAIN UK LTD |
| SHERWIN WILLIAMS GROUP |
| STORMFLAME LTD |
| THAMES COATINGS |
| WALRAVEN LTD |
| INTUMESCENT Duct Wraps | NULLIFIRE |
| SENIOR HARGREAVES |
| INTUMESCENT Foam | INTUMESCENT SYSTEMS LTD |
| ISO-CHEMIE GmbH |
| NULLIFIRE |
| INTUMESCENT Gap Seals | CONSTRUCTION SPECIALTIES - EXPANSION JOINT COVERS |
| IDENDEN |
| INTUCHEM |
| ISO-CHEMIE GmbH |
| NULLIFIRE |
| ROCKWOOL LTD |
| SCHLUTER SYSTEMS LTD |
| STORMFLAME LTD |
| VEXCOLT |
| INTUMESCENT Membrane Papers | COMPLETE FIRE PROTECTION LTD |
| INTUMESCENT SYSTEMS LTD |
| NULLIFIRE |
| INTUMESCENT Pads | ASTROFLAME FIRESEALS LTD |
| INTUMESCENT SYSTEMS LTD |
| ISO-CHEMIE GmbH |
| NULLIFIRE |
| INTUMESCENT Pastes | ASTROFLAME FIRESEALS LTD |
| INTUCHEM |
| INTUMESCENT SYSTEMS LTD |
| NULLIFIRE |
| PPG PROTECTIVE & MARINE COATINGS |
| PROMAIN UK LTD |
| STORMFLAME LTD |
| INTUMESCENT Pipe Covers | ASTROFLAME FIRESEALS LTD |
| INTUMESCENT SYSTEMS LTD |
| NULLIFIRE |
| INTUMESCENT Quilts | INTUMESCENT SYSTEMS LTD |
| NULLIFIRE |
| INTUMESCENT Slabs | COMPLETE FIRE PROTECTION LTD |
| NULLIFIRE |
| INTUMESCENT Socket Box Covers | INTUCHEM |
| INTUMESCENT SYSTEMS LTD |
| STORMFLAME LTD |
| WALRAVEN LTD |
| INTUMESCENT Socket Box Inserts | ASTROFLAME FIRESEALS LTD |
| CMS DANSKIN ACOUSTICS |
| INTUMESCENT Strips | ISO-CHEMIE GmbH |
| NOBERNE SEALS |
| NULLIFIRE |
