Gas - Testing - Medical in Manchester, Lancashire
| Name & Address | Phone # | Website |
| Alpha Electronics (Northern) Ltd Unit 5, Manchester, Lancashire M46 0RS | 01942 886993 |  |
| CASS Industries Blackbrook Trading Estate, Manchester, Lancashire M19 2QD | 0161-442 4200 |  |
| K Edmundson 470 Bolton Road, Manchester, Lancashire M26 3GG | 0161-724 9488 | |
| M J M Energy & Safety Services Unit 90/Cariocca Business Pk, Manchester, Lancashire M12 4AH | 0161-272 7880 | |
| P S I Inspection Services Ltd Empress Business Centre, Manchester, Lancashire M16 9EA | 0161-877 7170 | |
| T E R Instruments Ltd 2-6 Peel Lane, Manchester, Lancashire M29 7QX | 01942 882275 | |
| Tru-Cal Metrology Ltd Unit 1, Manchester, Lancashire M18 8EF | 0161-223 4028 | |
