Wr
Flag
Company
Country
N.V. Stoomvaart Maatschappij "Rotterdam", Rotterdam Netherlands
Westdeutsche Reederei GmbH Germany
Wm. Ruys & Zonen

(different variants with & and without)

Netherlands
Weyerhaeuser Steamship Co. US
Weber & N.H.P. Schuldt
Germany
unknown Germany
Personenschiffahrt Lahnstolz Germany
Wonsild & Søn A/S
Denmark
Wonsild & Søn A/S
Denmark
Reederei Weser Schifffahrts Agentur G.m.b.H., Brake

two downward pointing triangles forming a stylized Latin letter "W", a "sinister-pierced" square representing the letter "S" and sinister-leaning parallelogram over a triangle to represent the letter "A".

Germany
Wasserstrassenbau Germany
Wm Thompson & Co - St John NB Canada

Wittenberg & Voigt

Germany

W.von Essen & W.Jacoby

Germany
W.S. Miller & Company, Glasgow
UK
Wairoa Steamship Co. Ltd. New Zealand
Waterford Steamship Co UK
Western Tankers A/B Sweden
Wah Tung Shipping Agency Co.
Hong Kong
Westfälische Transport-Aktien-Gesellschaft
Germany
West Coast of America Telegraph Co. Ltd
UK
Western Union Telegraph Co. US
Western Union Telegraph Co. US
Walvisvaart Netherlands
Van Driel, Rotterdam
Netherlands
von Essen & Jacoby
Germany
Wittig GmbH, Duisburg Germany
Wetmore & Cryder US
Wilkinson Bros. & Co Australia
Wallenius Lines/Wilhelmsen Lines Norway
Sweden