| ROYCE | Sir Henry, engineer who founded a company with Charles Stewart Rolls (5) |
| GLOCK | Gaston ?, Austrian engineer who founded a company in 1963 that now makes firearms (5) |
| ROLLS | Charles Stewart, motorist and aeronaut who formed a partnership with Henry Royce (5) |
| ZEISS | see 3dn, German maker of optical instruments who founded a company in Jena, Germany in 1846 |
| STEEL | An alloy for which Sir Henry Bessemer developed a method of production at low cost; a sword; one of a corset's "bones" ; a honing rod; or, figurative hardness or strength (5) |
| RIDER | A biker, chevalier, cyclist or jockey; Sir Henry Haggard's middle name; or, a clause in a performer's contract, stipulating personal requirements (5) |
| OSHEA | Charles Stewart Parnell's political career was destroyed by an affair with whom? (5) |
| PROMS | In short, the concerts founded by Sir Henry Wood (5) |
| JACOB | John's opening a company with B Epstein, perhaps |
| CHIPS | Nickname of author, diarist and politician Sir Henry Channon who restored Kelvedon Hall; tokens for blackjack, poker or roulette; pommes frites; or, slices of dried banana (5) |
| EATON | Which London Square is the address of these fictional characters: James' Prince Amerigo, Trollope's Sir Henry Harcourt, and Archers' the Hon. Charles Seymour? (5) |
| ACORN | Oak seed from a company with sailors |
| CECIL | Sir Henry ___, legendary racehorse trainer (5) |
| LANCIA | Vincenzo, Italian engineer who founded a car company in 1906 (6) |
| OLIVETTI | Camillo _, Italian electrical engineer who founded a typewriter factory (8) |
| PORSCHE | Ferdinand ---, Austrian automotive engineer who founded a motor vehicle consulting firm in 1931 (7) |
| BEL | Fromagier who founded a company that produces "baby" Edam cheeses; or, a unit of sound intensity named after the inventor of the telephone (3) |
| MINTON | English potter who founded a company noted for its blue and white chinoiserie Willow pattern (6) |
| NESTLE | Henri _ _ _ _ _ _, GermanSwiss confectioner born in 1814 who founded a company producing formula milk (6) |
| MATTHEWS | Bernard, English businessman born in 1930 who founded a company selling turkey meat products (8) |
