| The McCall and Company (Sheffield) Limited Pension Scheme | 1st July 1970 |
| Owen and Dyson Limited Pension Scheme | 1st July 1970 |
| G.R. Turner Limited Pension and Assurance Scheme | 1st July 1970 |
| G.R. Turner Limited Pension Fund | 1st July 1970 |
| Stewarts and Lloyds and Stanton Staff Pension Fund and Group Life Assurance Scheme | 1st January 1971 |
| Stewarts and Lloyds Limited Staff Assurance Scheme No. 1 | 1st January 1971 |
| Stewarts and Lloyds Limited Staff Assurance Scheme No. 2 | 1st January 1971 |
| Stewarts and Lloyds Limited Life Assurance Equalisation Scheme | 1st January 1971 |
| Stewarts and Lloyds Limited Additional Life Assurance Scheme | 1st January 1971 |
| The Staveley Company's Superannuation Fund | 1st January 1971 |
| The Staveley Company's Senior Officials Pension Scheme | 1st January 1971 |
| The Stanton Ironworks Male Staff Superannuation Fund | 1st January 1971 |
| The Stanton Ironworks Female Staff Superannuation Fund | 1st January 1971 |
| The Sheepbridge Company Pension Scheme | 1st January 1971 |
| The publicly owned company's part of the Thomas W. Ward Limited Supplementary Retirement Benefits Scheme | 1st January 1971 |
| English Steel Corporation Group Staff Pension Fund and Life Assurance Scheme | 1st March 1971 |
| English Steel Corporation Limited Staff Pension Fund and Life Assurance Scheme | 1st March 1971 |
| Supplementary Pension Scheme for the English Steel Corporation Group of Companies Scheme A | 1st March 1971 |
| Supplementary Pension Scheme for the English Steel Corporation Group of Companies Scheme B | 1st March 1971 |
| Taylor Bros and Company Limited Pension Fund and Life Assurance Scheme | 1st March 1971 |
| The Darlington Forge Limited Pension Fund and Life Assurance Scheme | 1st March 1971 |
| Vickers Staff Association for Life Assurance and Pensions | 1st March 1971 |
| The Whitehead Iron and Steel Company Limited Staff Pension and Life Assurance Scheme | 3rd April 1971 |
| The Whitehead Iron and Steel Staff Superannuation Fund | 3rd April 1971 |
| The Whitehead Iron and Steel Company Limited Staff Life Insurance Scheme | 3rd April 1971 |
| The Consett Iron Company's Superannuation Fund | 1st May 1971 |
| Dorman Long and Co. Pension Fund | 1st May 1971 |
| Dorman Long and Co. Q Scheme (in respect of staff employees only) | 1st May 1971 |
| Dorman Long Group Senior Executives Pension Scheme | 1st May 1971 |
| The Teesside Bridge and Engineering Works Pension Fund | 1st May 1971 |
| The Teesside Bridge and Engineering Works Q Scheme (in respect of staff employees only) | 1st May 1971 |
| Redpath Brown and Company Pension Fund | 1st May 1971 |
| Redpath Brown and Company Q Scheme (in respect of staff employees only) | 1st May 1971 |
| The South Durham and Cargo Fleet Pension Scheme | 1st June 1971 |
| The South Durham Steel and Iron Company Limited Supplementary Pension Scheme (in respect of staff employees only) | 1st June 1971 |
| Skinningrove Iron Company Limited Staff Pension Scheme | 1st September 1971 |
| Skinningrove Iron Company Limited Staff Assurance Fund | 1st September 1971 |