Big Japan Pro Wrestling (1998–2002) He competed in various of the promotion's signature events such as the
Saikyo Tag League, making his first appearance in the first-ever edition of the event from 1999, where he teamed up with Shunme Matsuzaki and scored a total of two points after going against the teams of
Tomoaki Honma and
Ryuji Yamakawa,
Shadow WX and The Winger, and
Mike Samples and
Jun Kasai. At the 2000 edition, he teamed up with
Abdullah Kobayashi and placed themselves in the block A where they failed to score any points after competing against the teams of
Abdullah the Butcher and Shadow WX,
Men's Teioh and
Daisuke Sekimoto, and
Daikokubo Benkei and Shunme Matsuzaki. At the 2001 edition. he teamed up with
Hideki Hosaka and scored a total of five points after going against the teams of Fantastik and
Ryuji Ito, Men's Teioh and Daisuke Sekimoto, Abdullah Kobayashi and Daikokubo Benkei, and
Masato Tanaka and Shunme Matsuzaki. A week after, he competed in a tournament for the vacant
BJW Deathmatch Heavyweight Championship, where he defeated Jun Kasai in the first rounds but fell short to
Justice Pain in the quarterfinals. At the 2001 edition of the Six-Man Maximum Tag League, he teamed up with Hideki Hosaka and Shunme Matsuzaki and won the whole tournament by topping the only block with a totl of five point after competing against the teams of Men's Club (Men's Teioh, Daisuke Sekimoto and Ryuji Ito), Jun Kasai, Mad Man Pondo and
Ruckus, and Skinheads (Daikokubo Benkei, Abdullah Kobayashi and
Naoki Numazawa).
Pro Wrestling Zero1 (2002–2018) Maruyama made his debut in
Pro Wrestling Zero1 on the second night of the
ZERO-ONE Creation 2002 from June 29, where he teamed up with
Yoshiaki Fujiwara to defeat Rapid Fire and
Steve Corino in a
tag team match. During his sixteen-year tenure with the company, he has been a former
World Heavyweight Champion, a two-time
United National Heavyweight Champion, and a three-time
NWA Intercontinental Tag Team Champion with two different partners. However, he has also competed for other titles, such as the vacant
All Asia Tag Team Championship at
ZERO-ONE Rebel Z 2003 on December 25, where he teamed up with Jun Kasai to unsuccessfully challenge
Mr. Gannosuke and
Tetsuhiro Kuroda for them. He is known for competing in various of the promotion's signature events such as the
Fire Festival in which he made his first appearance at the 2008 edition where he placed himself in the block A where he scored a total of two points after competing against
Togi Makabe,
Masaaki Mochizuki, Shinjiro Otani and Kohei Sato. At the 2012 edition, he placed himself in the block B where he scored a total of two points after going against Masato Tanaka, Daisuke Sekimoto, Kohei Sato and
Muhammad Yone. At the 2015 edition, he placed himself in the block A where he scored a total of six poinsta after going against Kohei Sato, Masato Tanaka,
Yusaku Obata,
Fujita Hayato and Masakado. At the 2016 edition of the events, he scored a total of fifteen points in the only active block after going against Shinjiro Otani, Yusaku Obata, Masato Tanaka,
Ryota Hama,
James Raideen, Kohei Sato,
Shogun Okamoto,
Hayato Fujita and Buffa. As for the
Furinkazan, he made his first appearance at the 2009 and first-ever editinon of the tournament, where he teamed up with long-time tag team partner Kohei Sato, placing themselves in the block B, where they scored a total of five points after competing against the teams of Masato Tanaka and Masaaki Mochizuki,
Shiro Koshinaka and
Hajime Ohara, Rikiya Fudo and Shito Ueda, and
Tsutomu Oosugi and
Hercules Senga. He scored his best result at the 2010 edition in which he alongside Sato came out victorious by toppling the block A with eight points after outmatching the teams of
Akebono and Shinjiro Otani, Phil Davis and Sean Davis,
Hikaru Sato and
Munenori Sawa, and
Kintaro Kanemura and
Takuya Sugawara. At the 2011 edition, he teamed up with Sato again in the block B and scored five points against Fujita Hayato and Masato Tanaka, Akebono and
Daichi Hashimoto, Schwarz and Weiss, and
Mineo Fujita and Shito Ueda. At the 2013 edition, he and Sato defeated
Tank Nagai and
Yoshikazu Yokoyama in the first rounds, obtained a
walkover victory in the second ones, but fell short to Daisuke Sekimoto and
Yuji Okabayashi in the third rounds. At the 2014 edition, Maruyama teamed up with Daemon Ueda to defeat
Atsushi Onita and
Masashi Aoyagi in the first rounds and then fell short to Masato Tanaka and
Takashi Sugiura in the second ones. At the 2016 edition, he teamed again with Kohei Sato and fell short to
Kai and
Yusaku Obata in the first rounds.
New Japan Pro Wrestling (1994, 2005–2008) Maruyama made sporadic appearances in
New Japan Pro Wrestling. He began in the
NJPW Super Grade Tag League IV, a tournament which took place between October 15, 1994, in which he teamed up with
Masayoshi Motegi and failed to score any points after competing against the teams of
El Samurai and
2 Cold Scorpio,
Black Tiger and
The Great Sasuke,
Super Delfin and
Taka Michinoku, Shinjiro Otani and
Wild Pegasus,
Gran Hamada and
Norio Honaga, and
Dean Malenko and
Tokimitsu Ishizawa. At
NJPW Toukon Souzou New Chapter on October 8, 2005, where he teamed up with Kohei Sato,
Ryouji Sai and Shinjiro Otani in a losing effort against
Hiroyoshi Tenzan,
Naofumi Yamamoto,
Takashi Iizuka and
Yutaka Yoshie as a result of an
eight-man tag team match. At
Toukon Shidou Chapter 1 on January 4, 2006, he teamed up with Daisuke Sekimoto, Kohei Sato,
Riki Choshu,
Takashi Uwano and
Yoshihito Sasaki to defeat
Hirooki Goto,
Hiroshi Nagao,
Osamu Nishimura, Takashi Iizuka,
Tatsumi Fujinami and
Toru Yano in a
Twelve-man tag team match. At
NJPW Lock Up on February 24, 2008, he teamed up with Yoshihito Sasaki in a losing effort against
Great Bash Heel (
Togi Makabe and Toru Yano). ==Championships and accomplishments==