Nikita Vladimirovich Bogoslovsky was born in St. Petersburg (Russia) in 1913. He gave us eight symphonies:

no.1, f, 1940
no.2, c, folk insts, 1956
no.3, g, folk insts, 1959
no.4, ‘Pastoral'naya’ [The Pastoral], D, 1979–80
no.5, ‘Teatral'naya’ [The Theatrical], a, 1980
no.6, E, 1982
no.7, C, 1983
no.8, c, 1986

as well as two string quartets (1931, 1988).

Here is his sixth symphony, from 1982:

http://www.mediafire.com/download.php?c31e0ycqpcyq1vu

Anatole Vasilyevich Bogatyrev was born in Vitebsk (White Ruthenia) in 1913. He gave us two symphonies as well as a string quartet (1941):

Symphony no. 1 (1946)

Symphony no. 2, opus 17 (1947)

Here is the second. There are four movements: Allegro energico; Allegretto; Lento; Finale

http://www.mediafire.com/?wdbemdm59kk0b98

Pavel Blatný was born in Brno in 1926. He gave us just one symphony, in the year 1984. It has four movements:

http://www.mediafire.com/download.php?85062egwr2oupgr

Jiří Bezděk was born in Plzeň (Pilsen) in 1961. He has given us three numbered symphonies:

I. symfonie (2000)

Setkání se světlem (Sinfonia pro smyčce - symphony for strings) (2007)

II. symfonie Krajino duše mé.... (2008)

III. symfonie Gaudeamus igitur (2016)

Here is the second symphony, from 2008:

http://www.mediafire.com/?prsltoek81eb8rr

Niels Viggo Bentzon was born in Copenhagen in 1919. He gave us twenty-four symphonies and sixteen string quartets.

Here is his fourth symphony (Metamorphoses) from the year 1948:

http://www.mediafire.com/download.php?ihodaas772glw10

Fritz Reuter was born in Dresden in 1896. He gave us at least three symphonies.

His third symphony "Die Heitere" dates from around 1939. I do not know how many he produced. It has three movements.

http://www.mediafire.com/?t0x3ka19iw19f8e

Rainer Kunad was born in Chemnitz in 1936. He gave us sixteen numbered symphonies, mostly with fancy names:

Sym. 64 (Sym. no.1), 1964;

Sym. no.2, 1967;

Sinfonie des göttlichen Friedens (Sym. no.3), T, chorus, orch, 1986–7;

Sinfonie des göttlichen Kosmos (Sym. no.4), Bar, pf, orch, 1991;

Tabor – Himmliche Vision (Sym. no.5) (A.K. Emmerich, others), solo vv, chorus, orch, 1991;

Siegesmusik über die Bösen Geister (Sym.no.6), solo vv, chorus, orch, 1991;

Das war Gottes Plan (Sym. no.7) (various), B-Bar, chorus, orch, 1992;

Sinfonie für eine grosse Zukunft (Sym. no.8 ‘Wind’) (various), T, Bar, chorus, wind, org, 1992;

Die sieben Siegel (Sym. no.9), chorus, orch, 1993;

Das Vermächtnis (Sym. no.10), B-Bar, dancers, orch, 1993;

Von Gottes neuer welt (Sym. no.11 ‘Perkussionssinfonie’), perc, orch, 1993;

Der Berg Zion (Sym. no.12 ‘Die Melodramatische’), spkr, orch, 1993–4;

Die Vision (Sym. no.13 ‘String Sym.’), dancers, str, 1994;

Die Erlösung (Sym. no.14) (various), T, B, chorus, orch, 1994;

Die Wege Gottes (Sym. no.15) (various), chorus, orch, 1994 T, dancer, spkr;

Vom heiligen Geist (Sym. no.16), T, B-Bar, chorus, 1994

Jürg Baur was born in Düsseldorf in 1918. He gave us several unnumbered symphonies. Here is his Sinfonie einer Stadt ("Patetica") from 1983. There are four movements:

    I. Invocation (Passacaglia)
    II. Melancholie
    III. Scherzo tumultoso
    IV. [unknown]

http://www.mediafire.com/?cfzalimgsbauu81

Hendrik Herman (Henk) Badings was born in Bandung (Dutch East Indies, now Indonesia) in 1907. He gave us fifteen numbered symphonies and something like five string quartets. Here is his eighth symphony, which appeared in 1956:

https://youtu.be/f6GsUr_00mg

Sergei Mikhailovich Slonimsky was born in Leningrad in 1932. He gave us thirty-four symphonies. Here is the thirty-second.

https://youtu.be/edByk3qZ0AE