Ralf Rieger

Wilhelmsfeld, BW Doing business as IBR Ingenieurbuero Fuer Bauwesen

Company facts

Self-certified in SAM.gov: For Profit Organization
Entity structure: Sole Proprietorship
Other NAICS codes in SAM.gov: 236118 Residential Remodelers

236220 Commercial and Institutional Building Construction

237110 Water and Sewer Line and Related Structures Construction

541330 Engineering Services
SAM.gov registration date: May 7, 2007
Physical address: Silbergasse 31, 69259 Wilhelmsfeld, Germany

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Apr 9, 2026.

Award	Agency	Obligated	Awarded
Clean-up of hazardous materials W912PB20P3081	RCO Bavaria 409th CSB	$63,631	Jul 15, 2020
Project number G02 30450-5, install lightning protection system in warehouse/open storage building storing hazardous… W564KV17C0131	TCC Kaiserslautern 409th CSB (ECC)	$176,269	Sep 26, 2017
Project # DS-BP240-3P - replace anti-slip strips in housing units, smith & wetzel family housing areas, baumholder… W564KV14C0139	TCC Kaiserslautern 409th CSB (ECC)	$331,809	Sep 22, 2014
Replace damaged flooring in basement W564KV13P0134	TCC Kaiserslautern 409th CSB (ECC)	$23,026	Sep 20, 2013
REP. Damage fence L176 W564KV13P0121	TCC Kaiserslautern 409th CSB (ECC)	$3,784	Sep 19, 2013

Yes. Ralf Rieger's SAM.gov registration is active through April 9, 2027.

Ralf Rieger's CAGE code is DM752, and its Unique Entity ID (UEI) is T8UUHYKNMRT5.

Ralf Rieger's most recent federal contract award is Clean-up of hazardous materials (W912PB20P3081), from RCO Bavaria 409th CSB, on July 15, 2020.

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