1.Achard J.Francois-Geneva 1750
2.Addison J - London 1760-1780
3.Adamson Gustave - Paris 1775-1790
4.Alfred W.Humphreys - London 1905
5.Alibut - Paris 1750
6.Alliez Buchelard & Teron Co-Frenca1830
7.Amabric Freres -Geneva 1760-1795
8.Amon -Paris 1913
9.Andre Jean - Geneva 1660-1705
10.Anthony Willams - London 1785-1840
11.Antram J.-London 1700-1730
12.Appleby Edward - London 1675
13.Appleby Joshua - London 1720-1745
14.Arland Benjamin - London 1680
15.Arlaud Louis - Geneva 1750
16.Arhold & Dent - London 1839
17.Arhold & Frodsham Charles - London 1845
18.Arnold Henery - London -1770-1780
19.Arnold John - London 1760-1790
20.Arnold John Roger - London 1800-1830
21.Arnold Nicolas -1850
22.Arnold & Lewis,Lote Simmons-Manchester - 1860
23.Arnold & Son - London 1787-1799
24.Asman Julius -Glasshutte - 1850-1885
25.Auber Daniel - London 1750
26.Aubert D.F.-Geneva - 1825
27.Aubert Ferdinand 1810-1835
28.Aubert & Co -Geneva - 1850
29.Aubry Irenee - Geneva 1885-1910
30.Audebert - Paris -1810-1820
31.Audemars Freres - Swiss1810-until Co splits in 1885
32.Audemars Louis Bendjamin - Swiss 1811-1867
33.Aureole Swiss - 1921
34.Auricoste Jules - Paris 1910
35.Bachhofen Felix-Swiss - 1675-1690
36.Badollet Jean-Jacques-1779-1791
37.Baillon Jean Hileire-Paris-1727
38.Baird Wm.-London - 1815-1825
39.Balsiger & Fils - 1825
40.Burberet J.-Paris -1600
41.Barbezat Bole - Swiss - 1870
42.Baronneau Jean-Louis - France-1675
43.Barnett John - England - 1690
44.Barraud & Lunds -England - 1870
45.Barraud & Lunds -1812 -1840
46.Barraud & Paul-Philip - London - 1752-1820
47.Barrow Edward-London 1650-1710
48.Barow Nathaniel -London 1653-1689
49.Barry M. French -1620
50.Bartholony Abraham - Paris -1750-1752
51.Barton J.London - 1760-1780
52.Barwise J. -London - 1800