Rechner’s clients’ list is a veritable ‘Who’s Who’ of Indian industry. Given below is a partial list of Rechner’s clients.
| Alkyl Amines Chemicals Ltd. | Arian Engineering Pvt. Ltd. | Ashapura Minechem Ltd. | Ashapura Volclay Ltd. |
| Associated Cement Companies (ACC) | Bhabha Atomic Research Centre (BARC) | Bhagiradha Chemicals Ltd | Castrol India Ltd. |
| Central Railways | Cochin Refineries | Dredging Corporation of India | Emilen Biotech ltd. |
| Essar projects | Fiat India Pvt. Ltd | Garden Silk Mills | GE Fanuc Systems Pvt. Ltd. |
| German Remedies Ltd. | Global Management Services (India) Pvt. Ltd. | Godavari Fertilizers Ltd. | Godrej Soaps Ltd |
| Grasim Cement Ltd | Gujarat Glass Ltd. | Hindalco | Hindustan Dorr-Oliver Ltd |
| IFFCO | Indian Dairy Mfg. Company | Indian Institute of Technology | Indian Railways |
| Indian Rayon Industries Ltd | Insilco Ltd. | Ispat Industries Ltd. | KRIBHCO |
| Lanxess ABS Ltd. | Larsen & Toubro Ltd. | Lloyds Steel Ltd. | Madras Fertilizers Ltd |
| Maharashtra Electricity Board | Manugraph Industries Ltd. | Mumbai Municipal Corporation | Nippon Dendro Ltd. |
| Nirma Chemicals Ltd. | Nitco Paints Ltd. | NOCIL | Numaligarh refineries |
| ONGC | PT Ispat Ltd. | Rajendra Enterprises | Ramrao Adik Institute of Technology |
| Rashtriya Chemicals & Fertilizers Ltd | Rayalseema Ltd. | Raymond Steel Ltd | Royal Oleochemi Pvt. Ltd |
| Siemens Ltd. | Sriram Industries Ltd. | Textan Chemicals Ltd | TPI |
| Tata Metals Ltd. | Ultra Lubes Pvt. Ltd. | Valvoline | Venlon Metacoat Ltd. |
| VVF Ltd. | - | - | - |
| Rechner also has wide international presence. It has an impressive list of overseas clients which include. | |
| Bangladesh Rerolling Mills Bangladesh | Baxter Switzerland |
| Continental Cement Corporation Manila | Philippines |
| Degussa Germany | Delta Steel Company Nigeria |
| General Motors Shanghai China | Hyundai Heavy Industries Ltd Korea. |
| Madaus Pharma Ltd Germany | Marubeni Vietnam |
| Mazzoni Italy | National Oil Tanzania |
| PEG SA Geneva | Sultanate of Oman |
| Yokogawa Ltd. Japan | Zellweger Analytics United Kingdom |