The largest engineering design activities for industrial process and production companies in Blackburn

Ranked by shareholders' funds, from 43 active companies in the BB postcode area.

"Largest" here means shareholders' funds — what the most recent balance sheet says the company is worth. It is the only measure of size filed by enough companies to rank on.

Companies that have never filed accounts cannot appear, however big they are. Figures are as filed at Companies House and can be a year or more old.

Engineering design activities for industrial process and production in Blackburn top 20

1. AI PROCESS SYSTEMS LIMITED

£2,299,963 02155966 since 1987
2. D C FABRICATION & ENGINEERING LIMITED

£492,525 12286646 since 2019
3. PUMPS AND SYSTEMS LTD

£312,243 12059182 since 2019
4. ABBEY DESIGN ENGINEERING LTD

£193,928 15201150 since 2023
5. CONROY ELECTRICAL LTD

£154,636 04472574 since 2002
6. PRH LIMITED

£108,989 04704185 since 2003
7. PLEASINGTON CONCEPTS LIMITED

£57,733 07284556 since 2010
8. CREO SERVICES LIMITED

£54,841 04841111 since 2003
9. LONGWORTH INDUSTRIAL OVENS LTD

£54,045 15348462 since 2023
10. SMART ENERGY NETWORKS LIMITED

£39,440 07337061 since 2010
11. HUGHES AUTOMATION LTD

£31,018 13466437 since 2021
12. PLUGSWITCH LIMITED

£30,860 02433061 since 1989
13. ABE & ASSOCIATES LTD

£22,163 03419424 since 1997
14. CUBES CAD LTD

£21,358 08403228 since 2013
15. JOHN EDMONDSON (CAM TRAINING & SUPPORT) LTD

£10,588 10249311 since 2016
16. BANNERS SIGNS AND POSTERS LTD

£10,126 14126355 since 2022
17. MALCOLM GRAHAM DESIGN SERVICES LIMITED

£9,942 15243315 since 2023
18. MJB AUTOMATION LTD

£9,871 14795954 since 2023
19. ADW ENGINEERING NW LTD

£9,842 09519481 since 2015
20. TECH SOLUTIONS NW LTD

£8,398 10252776 since 2016